1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <math.h>
10
11 #include <math.h>
12 #include <type_traits>
13 #include <cassert>
14
15 #include "test_macros.h"
16 #include "hexfloat.h"
17 #include "truncate_fp.h"
18
19 // convertible to int/float/double/etc
20 template <class T, int N=0>
21 struct Value {
operator TValue22 operator T () { return T(N); }
23 };
24
25 // See PR21083
26 // Ambiguous is a user-defined type that defines its own overloads of cmath
27 // functions. When the std overloads are candidates too (by using or adl),
28 // they should not interfere.
29 struct Ambiguous : std::true_type { // ADL
operator floatAmbiguous30 operator float () { return 0.f; }
operator doubleAmbiguous31 operator double () { return 0.; }
32 };
abs(Ambiguous)33 Ambiguous abs(Ambiguous){ return Ambiguous(); }
acos(Ambiguous)34 Ambiguous acos(Ambiguous){ return Ambiguous(); }
asin(Ambiguous)35 Ambiguous asin(Ambiguous){ return Ambiguous(); }
atan(Ambiguous)36 Ambiguous atan(Ambiguous){ return Ambiguous(); }
atan2(Ambiguous,Ambiguous)37 Ambiguous atan2(Ambiguous, Ambiguous){ return Ambiguous(); }
ceil(Ambiguous)38 Ambiguous ceil(Ambiguous){ return Ambiguous(); }
cos(Ambiguous)39 Ambiguous cos(Ambiguous){ return Ambiguous(); }
cosh(Ambiguous)40 Ambiguous cosh(Ambiguous){ return Ambiguous(); }
exp(Ambiguous)41 Ambiguous exp(Ambiguous){ return Ambiguous(); }
fabs(Ambiguous)42 Ambiguous fabs(Ambiguous){ return Ambiguous(); }
floor(Ambiguous)43 Ambiguous floor(Ambiguous){ return Ambiguous(); }
fmod(Ambiguous,Ambiguous)44 Ambiguous fmod(Ambiguous, Ambiguous){ return Ambiguous(); }
frexp(Ambiguous,int *)45 Ambiguous frexp(Ambiguous, int*){ return Ambiguous(); }
ldexp(Ambiguous,int)46 Ambiguous ldexp(Ambiguous, int){ return Ambiguous(); }
log(Ambiguous)47 Ambiguous log(Ambiguous){ return Ambiguous(); }
log10(Ambiguous)48 Ambiguous log10(Ambiguous){ return Ambiguous(); }
modf(Ambiguous,Ambiguous *)49 Ambiguous modf(Ambiguous, Ambiguous*){ return Ambiguous(); }
pow(Ambiguous,Ambiguous)50 Ambiguous pow(Ambiguous, Ambiguous){ return Ambiguous(); }
sin(Ambiguous)51 Ambiguous sin(Ambiguous){ return Ambiguous(); }
sinh(Ambiguous)52 Ambiguous sinh(Ambiguous){ return Ambiguous(); }
sqrt(Ambiguous)53 Ambiguous sqrt(Ambiguous){ return Ambiguous(); }
tan(Ambiguous)54 Ambiguous tan(Ambiguous){ return Ambiguous(); }
tanh(Ambiguous)55 Ambiguous tanh(Ambiguous){ return Ambiguous(); }
signbit(Ambiguous)56 Ambiguous signbit(Ambiguous){ return Ambiguous(); }
fpclassify(Ambiguous)57 Ambiguous fpclassify(Ambiguous){ return Ambiguous(); }
isfinite(Ambiguous)58 Ambiguous isfinite(Ambiguous){ return Ambiguous(); }
isnormal(Ambiguous)59 Ambiguous isnormal(Ambiguous){ return Ambiguous(); }
isgreater(Ambiguous,Ambiguous)60 Ambiguous isgreater(Ambiguous, Ambiguous){ return Ambiguous(); }
isgreaterequal(Ambiguous,Ambiguous)61 Ambiguous isgreaterequal(Ambiguous, Ambiguous){ return Ambiguous(); }
isless(Ambiguous,Ambiguous)62 Ambiguous isless(Ambiguous, Ambiguous){ return Ambiguous(); }
islessequal(Ambiguous,Ambiguous)63 Ambiguous islessequal(Ambiguous, Ambiguous){ return Ambiguous(); }
islessgreater(Ambiguous,Ambiguous)64 Ambiguous islessgreater(Ambiguous, Ambiguous){ return Ambiguous(); }
isunordered(Ambiguous,Ambiguous)65 Ambiguous isunordered(Ambiguous, Ambiguous){ return Ambiguous(); }
acosh(Ambiguous)66 Ambiguous acosh(Ambiguous){ return Ambiguous(); }
asinh(Ambiguous)67 Ambiguous asinh(Ambiguous){ return Ambiguous(); }
atanh(Ambiguous)68 Ambiguous atanh(Ambiguous){ return Ambiguous(); }
cbrt(Ambiguous)69 Ambiguous cbrt(Ambiguous){ return Ambiguous(); }
copysign(Ambiguous,Ambiguous)70 Ambiguous copysign(Ambiguous, Ambiguous){ return Ambiguous(); }
erf(Ambiguous)71 Ambiguous erf(Ambiguous){ return Ambiguous(); }
erfc(Ambiguous)72 Ambiguous erfc(Ambiguous){ return Ambiguous(); }
exp2(Ambiguous)73 Ambiguous exp2(Ambiguous){ return Ambiguous(); }
expm1(Ambiguous)74 Ambiguous expm1(Ambiguous){ return Ambiguous(); }
fdim(Ambiguous,Ambiguous)75 Ambiguous fdim(Ambiguous, Ambiguous){ return Ambiguous(); }
fma(Ambiguous,Ambiguous,Ambiguous)76 Ambiguous fma(Ambiguous, Ambiguous, Ambiguous){ return Ambiguous(); }
fmax(Ambiguous,Ambiguous)77 Ambiguous fmax(Ambiguous, Ambiguous){ return Ambiguous(); }
fmin(Ambiguous,Ambiguous)78 Ambiguous fmin(Ambiguous, Ambiguous){ return Ambiguous(); }
hypot(Ambiguous,Ambiguous)79 Ambiguous hypot(Ambiguous, Ambiguous){ return Ambiguous(); }
ilogb(Ambiguous)80 Ambiguous ilogb(Ambiguous){ return Ambiguous(); }
lgamma(Ambiguous)81 Ambiguous lgamma(Ambiguous){ return Ambiguous(); }
llrint(Ambiguous)82 Ambiguous llrint(Ambiguous){ return Ambiguous(); }
llround(Ambiguous)83 Ambiguous llround(Ambiguous){ return Ambiguous(); }
log1p(Ambiguous)84 Ambiguous log1p(Ambiguous){ return Ambiguous(); }
log2(Ambiguous)85 Ambiguous log2(Ambiguous){ return Ambiguous(); }
logb(Ambiguous)86 Ambiguous logb(Ambiguous){ return Ambiguous(); }
lrint(Ambiguous)87 Ambiguous lrint(Ambiguous){ return Ambiguous(); }
lround(Ambiguous)88 Ambiguous lround(Ambiguous){ return Ambiguous(); }
nearbyint(Ambiguous)89 Ambiguous nearbyint(Ambiguous){ return Ambiguous(); }
nextafter(Ambiguous,Ambiguous)90 Ambiguous nextafter(Ambiguous, Ambiguous){ return Ambiguous(); }
nexttoward(Ambiguous,Ambiguous)91 Ambiguous nexttoward(Ambiguous, Ambiguous){ return Ambiguous(); }
remainder(Ambiguous,Ambiguous)92 Ambiguous remainder(Ambiguous, Ambiguous){ return Ambiguous(); }
remquo(Ambiguous,Ambiguous,int *)93 Ambiguous remquo(Ambiguous, Ambiguous, int*){ return Ambiguous(); }
rint(Ambiguous)94 Ambiguous rint(Ambiguous){ return Ambiguous(); }
round(Ambiguous)95 Ambiguous round(Ambiguous){ return Ambiguous(); }
scalbln(Ambiguous,Ambiguous)96 Ambiguous scalbln(Ambiguous, Ambiguous){ return Ambiguous(); }
scalbn(Ambiguous,Ambiguous)97 Ambiguous scalbn(Ambiguous, Ambiguous){ return Ambiguous(); }
tgamma(Ambiguous)98 Ambiguous tgamma(Ambiguous){ return Ambiguous(); }
trunc(Ambiguous)99 Ambiguous trunc(Ambiguous){ return Ambiguous(); }
100
101 template <class T, class = decltype(::abs(std::declval<T>()))>
102 std::true_type has_abs_imp(int);
103 template <class T>
104 std::false_type has_abs_imp(...);
105
106 template <class T>
107 struct has_abs : decltype(has_abs_imp<T>(0)) {};
108
test_abs()109 void test_abs()
110 {
111 #ifdef __clang__
112 #pragma clang diagnostic push
113 #pragma clang diagnostic ignored "-Wabsolute-value"
114 #endif
115 static_assert((std::is_same<decltype(abs((float)0)), float>::value), "");
116 static_assert((std::is_same<decltype(abs((double)0)), double>::value), "");
117 static_assert(
118 (std::is_same<decltype(abs((long double)0)), long double>::value), "");
119 static_assert((std::is_same<decltype(abs((int)0)), int>::value), "");
120 static_assert((std::is_same<decltype(abs((long)0)), long>::value), "");
121 static_assert((std::is_same<decltype(abs((long long)0)), long long>::value),
122 "");
123 static_assert((std::is_same<decltype(abs((unsigned char)0)), int>::value),
124 "");
125 static_assert((std::is_same<decltype(abs((unsigned short)0)), int>::value),
126 "");
127
128 static_assert((std::is_same<decltype(abs(Ambiguous())), Ambiguous>::value),
129 "");
130
131 static_assert(!has_abs<unsigned>::value, "");
132 static_assert(!has_abs<unsigned long>::value, "");
133 static_assert(!has_abs<unsigned long long>::value, "");
134
135 #ifdef __clang__
136 #pragma clang diagnostic pop
137 #endif
138
139 assert(abs(-1.) == 1);
140 }
141
test_acos()142 void test_acos()
143 {
144 static_assert((std::is_same<decltype(acos((float)0)), float>::value), "");
145 static_assert((std::is_same<decltype(acos((bool)0)), double>::value), "");
146 static_assert((std::is_same<decltype(acos((unsigned short)0)), double>::value), "");
147 static_assert((std::is_same<decltype(acos((int)0)), double>::value), "");
148 static_assert((std::is_same<decltype(acos((unsigned int)0)), double>::value), "");
149 static_assert((std::is_same<decltype(acos((long)0)), double>::value), "");
150 static_assert((std::is_same<decltype(acos((unsigned long)0)), double>::value), "");
151 static_assert((std::is_same<decltype(acos((long long)0)), double>::value), "");
152 static_assert((std::is_same<decltype(acos((unsigned long long)0)), double>::value), "");
153 static_assert((std::is_same<decltype(acos((double)0)), double>::value), "");
154 static_assert((std::is_same<decltype(acos((long double)0)), long double>::value), "");
155 static_assert((std::is_same<decltype(acosf(0)), float>::value), "");
156 static_assert((std::is_same<decltype(acosl(0)), long double>::value), "");
157 static_assert((std::is_same<decltype(acos(Ambiguous())), Ambiguous>::value), "");
158 assert(acos(1) == 0);
159 }
160
test_asin()161 void test_asin()
162 {
163 static_assert((std::is_same<decltype(asin((float)0)), float>::value), "");
164 static_assert((std::is_same<decltype(asin((bool)0)), double>::value), "");
165 static_assert((std::is_same<decltype(asin((unsigned short)0)), double>::value), "");
166 static_assert((std::is_same<decltype(asin((int)0)), double>::value), "");
167 static_assert((std::is_same<decltype(asin((unsigned int)0)), double>::value), "");
168 static_assert((std::is_same<decltype(asin((long)0)), double>::value), "");
169 static_assert((std::is_same<decltype(asin((unsigned long)0)), double>::value), "");
170 static_assert((std::is_same<decltype(asin((long long)0)), double>::value), "");
171 static_assert((std::is_same<decltype(asin((unsigned long long)0)), double>::value), "");
172 static_assert((std::is_same<decltype(asin((double)0)), double>::value), "");
173 static_assert((std::is_same<decltype(asin((long double)0)), long double>::value), "");
174 static_assert((std::is_same<decltype(asinf(0)), float>::value), "");
175 static_assert((std::is_same<decltype(asinl(0)), long double>::value), "");
176 static_assert((std::is_same<decltype(asin(Ambiguous())), Ambiguous>::value), "");
177 assert(asin(0) == 0);
178 }
179
test_atan()180 void test_atan()
181 {
182 static_assert((std::is_same<decltype(atan((float)0)), float>::value), "");
183 static_assert((std::is_same<decltype(atan((bool)0)), double>::value), "");
184 static_assert((std::is_same<decltype(atan((unsigned short)0)), double>::value), "");
185 static_assert((std::is_same<decltype(atan((int)0)), double>::value), "");
186 static_assert((std::is_same<decltype(atan((unsigned int)0)), double>::value), "");
187 static_assert((std::is_same<decltype(atan((long)0)), double>::value), "");
188 static_assert((std::is_same<decltype(atan((unsigned long)0)), double>::value), "");
189 static_assert((std::is_same<decltype(atan((long long)0)), double>::value), "");
190 static_assert((std::is_same<decltype(atan((unsigned long long)0)), double>::value), "");
191 static_assert((std::is_same<decltype(atan((double)0)), double>::value), "");
192 static_assert((std::is_same<decltype(atan((long double)0)), long double>::value), "");
193 static_assert((std::is_same<decltype(atanf(0)), float>::value), "");
194 static_assert((std::is_same<decltype(atanl(0)), long double>::value), "");
195 static_assert((std::is_same<decltype(atan(Ambiguous())), Ambiguous>::value), "");
196 assert(atan(0) == 0);
197 }
198
test_atan2()199 void test_atan2()
200 {
201 static_assert((std::is_same<decltype(atan2((float)0, (float)0)), float>::value), "");
202 static_assert((std::is_same<decltype(atan2((bool)0, (float)0)), double>::value), "");
203 static_assert((std::is_same<decltype(atan2((unsigned short)0, (double)0)), double>::value), "");
204 static_assert((std::is_same<decltype(atan2((int)0, (long double)0)), long double>::value), "");
205 static_assert((std::is_same<decltype(atan2((float)0, (unsigned int)0)), double>::value), "");
206 static_assert((std::is_same<decltype(atan2((double)0, (long)0)), double>::value), "");
207 static_assert((std::is_same<decltype(atan2((long double)0, (unsigned long)0)), long double>::value), "");
208 static_assert((std::is_same<decltype(atan2((int)0, (long long)0)), double>::value), "");
209 static_assert((std::is_same<decltype(atan2((int)0, (unsigned long long)0)), double>::value), "");
210 static_assert((std::is_same<decltype(atan2((double)0, (double)0)), double>::value), "");
211 static_assert((std::is_same<decltype(atan2((long double)0, (long double)0)), long double>::value), "");
212 static_assert((std::is_same<decltype(atan2((float)0, (double)0)), double>::value), "");
213 static_assert((std::is_same<decltype(atan2((float)0, (long double)0)), long double>::value), "");
214 static_assert((std::is_same<decltype(atan2((double)0, (long double)0)), long double>::value), "");
215 static_assert((std::is_same<decltype(atan2f(0,0)), float>::value), "");
216 static_assert((std::is_same<decltype(atan2l(0,0)), long double>::value), "");
217 static_assert((std::is_same<decltype(atan2((int)0, (int)0)), double>::value), "");
218 static_assert((std::is_same<decltype(atan2(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
219 assert(atan2(0,1) == 0);
220 }
221
test_ceil()222 void test_ceil()
223 {
224 static_assert((std::is_same<decltype(ceil((float)0)), float>::value), "");
225 static_assert((std::is_same<decltype(ceil((bool)0)), double>::value), "");
226 static_assert((std::is_same<decltype(ceil((unsigned short)0)), double>::value), "");
227 static_assert((std::is_same<decltype(ceil((int)0)), double>::value), "");
228 static_assert((std::is_same<decltype(ceil((unsigned int)0)), double>::value), "");
229 static_assert((std::is_same<decltype(ceil((long)0)), double>::value), "");
230 static_assert((std::is_same<decltype(ceil((unsigned long)0)), double>::value), "");
231 static_assert((std::is_same<decltype(ceil((long long)0)), double>::value), "");
232 static_assert((std::is_same<decltype(ceil((unsigned long long)0)), double>::value), "");
233 static_assert((std::is_same<decltype(ceil((double)0)), double>::value), "");
234 static_assert((std::is_same<decltype(ceil((long double)0)), long double>::value), "");
235 static_assert((std::is_same<decltype(ceilf(0)), float>::value), "");
236 static_assert((std::is_same<decltype(ceill(0)), long double>::value), "");
237 static_assert((std::is_same<decltype(ceil(Ambiguous())), Ambiguous>::value), "");
238 assert(ceil(0) == 0);
239 }
240
test_cos()241 void test_cos()
242 {
243 static_assert((std::is_same<decltype(cos((float)0)), float>::value), "");
244 static_assert((std::is_same<decltype(cos((bool)0)), double>::value), "");
245 static_assert((std::is_same<decltype(cos((unsigned short)0)), double>::value), "");
246 static_assert((std::is_same<decltype(cos((int)0)), double>::value), "");
247 static_assert((std::is_same<decltype(cos((unsigned int)0)), double>::value), "");
248 static_assert((std::is_same<decltype(cos((long)0)), double>::value), "");
249 static_assert((std::is_same<decltype(cos((unsigned long)0)), double>::value), "");
250 static_assert((std::is_same<decltype(cos((long long)0)), double>::value), "");
251 static_assert((std::is_same<decltype(cos((unsigned long long)0)), double>::value), "");
252 static_assert((std::is_same<decltype(cos((double)0)), double>::value), "");
253 static_assert((std::is_same<decltype(cos((long double)0)), long double>::value), "");
254 static_assert((std::is_same<decltype(cosf(0)), float>::value), "");
255 static_assert((std::is_same<decltype(cosl(0)), long double>::value), "");
256 static_assert((std::is_same<decltype(cos(Ambiguous())), Ambiguous>::value), "");
257 assert(cos(0) == 1);
258 }
259
test_cosh()260 void test_cosh()
261 {
262 static_assert((std::is_same<decltype(cosh((float)0)), float>::value), "");
263 static_assert((std::is_same<decltype(cosh((bool)0)), double>::value), "");
264 static_assert((std::is_same<decltype(cosh((unsigned short)0)), double>::value), "");
265 static_assert((std::is_same<decltype(cosh((int)0)), double>::value), "");
266 static_assert((std::is_same<decltype(cosh((unsigned int)0)), double>::value), "");
267 static_assert((std::is_same<decltype(cosh((long)0)), double>::value), "");
268 static_assert((std::is_same<decltype(cosh((unsigned long)0)), double>::value), "");
269 static_assert((std::is_same<decltype(cosh((long long)0)), double>::value), "");
270 static_assert((std::is_same<decltype(cosh((unsigned long long)0)), double>::value), "");
271 static_assert((std::is_same<decltype(cosh((double)0)), double>::value), "");
272 static_assert((std::is_same<decltype(cosh((long double)0)), long double>::value), "");
273 static_assert((std::is_same<decltype(coshf(0)), float>::value), "");
274 static_assert((std::is_same<decltype(coshl(0)), long double>::value), "");
275 static_assert((std::is_same<decltype(cosh(Ambiguous())), Ambiguous>::value), "");
276 assert(cosh(0) == 1);
277 }
278
test_exp()279 void test_exp()
280 {
281 static_assert((std::is_same<decltype(exp((float)0)), float>::value), "");
282 static_assert((std::is_same<decltype(exp((bool)0)), double>::value), "");
283 static_assert((std::is_same<decltype(exp((unsigned short)0)), double>::value), "");
284 static_assert((std::is_same<decltype(exp((int)0)), double>::value), "");
285 static_assert((std::is_same<decltype(exp((unsigned int)0)), double>::value), "");
286 static_assert((std::is_same<decltype(exp((long)0)), double>::value), "");
287 static_assert((std::is_same<decltype(exp((unsigned long)0)), double>::value), "");
288 static_assert((std::is_same<decltype(exp((long long)0)), double>::value), "");
289 static_assert((std::is_same<decltype(exp((unsigned long long)0)), double>::value), "");
290 static_assert((std::is_same<decltype(exp((double)0)), double>::value), "");
291 static_assert((std::is_same<decltype(exp((long double)0)), long double>::value), "");
292 static_assert((std::is_same<decltype(expf(0)), float>::value), "");
293 static_assert((std::is_same<decltype(expl(0)), long double>::value), "");
294 static_assert((std::is_same<decltype(exp(Ambiguous())), Ambiguous>::value), "");
295 assert(exp(0) == 1);
296 }
297
test_fabs()298 void test_fabs()
299 {
300 static_assert((std::is_same<decltype(fabs((float)0)), float>::value), "");
301 static_assert((std::is_same<decltype(fabs((bool)0)), double>::value), "");
302 static_assert((std::is_same<decltype(fabs((unsigned short)0)), double>::value), "");
303 static_assert((std::is_same<decltype(fabs((int)0)), double>::value), "");
304 static_assert((std::is_same<decltype(fabs((unsigned int)0)), double>::value), "");
305 static_assert((std::is_same<decltype(fabs((long)0)), double>::value), "");
306 static_assert((std::is_same<decltype(fabs((unsigned long)0)), double>::value), "");
307 static_assert((std::is_same<decltype(fabs((long long)0)), double>::value), "");
308 static_assert((std::is_same<decltype(fabs((unsigned long long)0)), double>::value), "");
309 static_assert((std::is_same<decltype(fabs((double)0)), double>::value), "");
310 static_assert((std::is_same<decltype(fabs((long double)0)), long double>::value), "");
311 static_assert((std::is_same<decltype(fabsf(0.0f)), float>::value), "");
312 static_assert((std::is_same<decltype(fabsl(0.0L)), long double>::value), "");
313 static_assert((std::is_same<decltype(fabs(Ambiguous())), Ambiguous>::value), "");
314 assert(fabs(-1) == 1);
315 }
316
test_floor()317 void test_floor()
318 {
319 static_assert((std::is_same<decltype(floor((float)0)), float>::value), "");
320 static_assert((std::is_same<decltype(floor((bool)0)), double>::value), "");
321 static_assert((std::is_same<decltype(floor((unsigned short)0)), double>::value), "");
322 static_assert((std::is_same<decltype(floor((int)0)), double>::value), "");
323 static_assert((std::is_same<decltype(floor((unsigned int)0)), double>::value), "");
324 static_assert((std::is_same<decltype(floor((long)0)), double>::value), "");
325 static_assert((std::is_same<decltype(floor((unsigned long)0)), double>::value), "");
326 static_assert((std::is_same<decltype(floor((long long)0)), double>::value), "");
327 static_assert((std::is_same<decltype(floor((unsigned long long)0)), double>::value), "");
328 static_assert((std::is_same<decltype(floor((double)0)), double>::value), "");
329 static_assert((std::is_same<decltype(floor((long double)0)), long double>::value), "");
330 static_assert((std::is_same<decltype(floorf(0)), float>::value), "");
331 static_assert((std::is_same<decltype(floorl(0)), long double>::value), "");
332 static_assert((std::is_same<decltype(floor(Ambiguous())), Ambiguous>::value), "");
333 assert(floor(1) == 1);
334 }
335
test_fmod()336 void test_fmod()
337 {
338 static_assert((std::is_same<decltype(fmod((float)0, (float)0)), float>::value), "");
339 static_assert((std::is_same<decltype(fmod((bool)0, (float)0)), double>::value), "");
340 static_assert((std::is_same<decltype(fmod((unsigned short)0, (double)0)), double>::value), "");
341 static_assert((std::is_same<decltype(fmod((int)0, (long double)0)), long double>::value), "");
342 static_assert((std::is_same<decltype(fmod((float)0, (unsigned int)0)), double>::value), "");
343 static_assert((std::is_same<decltype(fmod((double)0, (long)0)), double>::value), "");
344 static_assert((std::is_same<decltype(fmod((long double)0, (unsigned long)0)), long double>::value), "");
345 static_assert((std::is_same<decltype(fmod((int)0, (long long)0)), double>::value), "");
346 static_assert((std::is_same<decltype(fmod((int)0, (unsigned long long)0)), double>::value), "");
347 static_assert((std::is_same<decltype(fmod((double)0, (double)0)), double>::value), "");
348 static_assert((std::is_same<decltype(fmod((long double)0, (long double)0)), long double>::value), "");
349 static_assert((std::is_same<decltype(fmod((float)0, (double)0)), double>::value), "");
350 static_assert((std::is_same<decltype(fmod((float)0, (long double)0)), long double>::value), "");
351 static_assert((std::is_same<decltype(fmod((double)0, (long double)0)), long double>::value), "");
352 static_assert((std::is_same<decltype(fmodf(0,0)), float>::value), "");
353 static_assert((std::is_same<decltype(fmodl(0,0)), long double>::value), "");
354 static_assert((std::is_same<decltype(fmod((int)0, (int)0)), double>::value), "");
355 static_assert((std::is_same<decltype(fmod(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
356 assert(fmod(1.5,1) == .5);
357 }
358
test_frexp()359 void test_frexp()
360 {
361 int ip;
362 static_assert((std::is_same<decltype(frexp((float)0, &ip)), float>::value), "");
363 static_assert((std::is_same<decltype(frexp((bool)0, &ip)), double>::value), "");
364 static_assert((std::is_same<decltype(frexp((unsigned short)0, &ip)), double>::value), "");
365 static_assert((std::is_same<decltype(frexp((int)0, &ip)), double>::value), "");
366 static_assert((std::is_same<decltype(frexp((unsigned int)0, &ip)), double>::value), "");
367 static_assert((std::is_same<decltype(frexp((long)0, &ip)), double>::value), "");
368 static_assert((std::is_same<decltype(frexp((unsigned long)0, &ip)), double>::value), "");
369 static_assert((std::is_same<decltype(frexp((long long)0, &ip)), double>::value), "");
370 static_assert((std::is_same<decltype(frexp((unsigned long long)0, &ip)), double>::value), "");
371 static_assert((std::is_same<decltype(frexp((double)0, &ip)), double>::value), "");
372 static_assert((std::is_same<decltype(frexp((long double)0, &ip)), long double>::value), "");
373 static_assert((std::is_same<decltype(frexpf(0, &ip)), float>::value), "");
374 static_assert((std::is_same<decltype(frexpl(0, &ip)), long double>::value), "");
375 static_assert((std::is_same<decltype(frexp(Ambiguous(), &ip)), Ambiguous>::value), "");
376 assert(frexp(0, &ip) == 0);
377 }
378
test_ldexp()379 void test_ldexp()
380 {
381 int ip = 1;
382 static_assert((std::is_same<decltype(ldexp((float)0, ip)), float>::value), "");
383 static_assert((std::is_same<decltype(ldexp((bool)0, ip)), double>::value), "");
384 static_assert((std::is_same<decltype(ldexp((unsigned short)0, ip)), double>::value), "");
385 static_assert((std::is_same<decltype(ldexp((int)0, ip)), double>::value), "");
386 static_assert((std::is_same<decltype(ldexp((unsigned int)0, ip)), double>::value), "");
387 static_assert((std::is_same<decltype(ldexp((long)0, ip)), double>::value), "");
388 static_assert((std::is_same<decltype(ldexp((unsigned long)0, ip)), double>::value), "");
389 static_assert((std::is_same<decltype(ldexp((long long)0, ip)), double>::value), "");
390 static_assert((std::is_same<decltype(ldexp((unsigned long long)0, ip)), double>::value), "");
391 static_assert((std::is_same<decltype(ldexp((double)0, ip)), double>::value), "");
392 static_assert((std::is_same<decltype(ldexp((long double)0, ip)), long double>::value), "");
393 static_assert((std::is_same<decltype(ldexpf(0, ip)), float>::value), "");
394 static_assert((std::is_same<decltype(ldexpl(0, ip)), long double>::value), "");
395 static_assert((std::is_same<decltype(ldexp(Ambiguous(), ip)), Ambiguous>::value), "");
396 assert(ldexp(1, ip) == 2);
397 }
398
test_log()399 void test_log()
400 {
401 static_assert((std::is_same<decltype(log((float)0)), float>::value), "");
402 static_assert((std::is_same<decltype(log((bool)0)), double>::value), "");
403 static_assert((std::is_same<decltype(log((unsigned short)0)), double>::value), "");
404 static_assert((std::is_same<decltype(log((int)0)), double>::value), "");
405 static_assert((std::is_same<decltype(log((unsigned int)0)), double>::value), "");
406 static_assert((std::is_same<decltype(log((long)0)), double>::value), "");
407 static_assert((std::is_same<decltype(log((unsigned long)0)), double>::value), "");
408 static_assert((std::is_same<decltype(log((long long)0)), double>::value), "");
409 static_assert((std::is_same<decltype(log((unsigned long long)0)), double>::value), "");
410 static_assert((std::is_same<decltype(log((double)0)), double>::value), "");
411 static_assert((std::is_same<decltype(log((long double)0)), long double>::value), "");
412 static_assert((std::is_same<decltype(logf(0)), float>::value), "");
413 static_assert((std::is_same<decltype(logl(0)), long double>::value), "");
414 static_assert((std::is_same<decltype(log(Ambiguous())), Ambiguous>::value), "");
415 assert(log(1) == 0);
416 }
417
test_log10()418 void test_log10()
419 {
420 static_assert((std::is_same<decltype(log10((float)0)), float>::value), "");
421 static_assert((std::is_same<decltype(log10((bool)0)), double>::value), "");
422 static_assert((std::is_same<decltype(log10((unsigned short)0)), double>::value), "");
423 static_assert((std::is_same<decltype(log10((int)0)), double>::value), "");
424 static_assert((std::is_same<decltype(log10((unsigned int)0)), double>::value), "");
425 static_assert((std::is_same<decltype(log10((long)0)), double>::value), "");
426 static_assert((std::is_same<decltype(log10((unsigned long)0)), double>::value), "");
427 static_assert((std::is_same<decltype(log10((long long)0)), double>::value), "");
428 static_assert((std::is_same<decltype(log10((unsigned long long)0)), double>::value), "");
429 static_assert((std::is_same<decltype(log10((double)0)), double>::value), "");
430 static_assert((std::is_same<decltype(log10((long double)0)), long double>::value), "");
431 static_assert((std::is_same<decltype(log10f(0)), float>::value), "");
432 static_assert((std::is_same<decltype(log10l(0)), long double>::value), "");
433 static_assert((std::is_same<decltype(log10(Ambiguous())), Ambiguous>::value), "");
434 assert(log10(1) == 0);
435 }
436
test_modf()437 void test_modf()
438 {
439 static_assert((std::is_same<decltype(modf((float)0, (float*)0)), float>::value), "");
440 static_assert((std::is_same<decltype(modf((double)0, (double*)0)), double>::value), "");
441 static_assert((std::is_same<decltype(modf((long double)0, (long double*)0)), long double>::value), "");
442 static_assert((std::is_same<decltype(modff(0, (float*)0)), float>::value), "");
443 static_assert((std::is_same<decltype(modfl(0, (long double*)0)), long double>::value), "");
444 static_assert((std::is_same<decltype(modf(Ambiguous(), (Ambiguous*)0)), Ambiguous>::value), "");
445 double i;
446 assert(modf(1., &i) == 0);
447 }
448
test_pow()449 void test_pow()
450 {
451 static_assert((std::is_same<decltype(pow((float)0, (float)0)), float>::value), "");
452 static_assert((std::is_same<decltype(pow((bool)0, (float)0)), double>::value), "");
453 static_assert((std::is_same<decltype(pow((unsigned short)0, (double)0)), double>::value), "");
454 static_assert((std::is_same<decltype(pow((int)0, (long double)0)), long double>::value), "");
455 static_assert((std::is_same<decltype(pow((float)0, (unsigned int)0)), double>::value), "");
456 static_assert((std::is_same<decltype(pow((double)0, (long)0)), double>::value), "");
457 static_assert((std::is_same<decltype(pow((long double)0, (unsigned long)0)), long double>::value), "");
458 static_assert((std::is_same<decltype(pow((int)0, (long long)0)), double>::value), "");
459 static_assert((std::is_same<decltype(pow((int)0, (unsigned long long)0)), double>::value), "");
460 static_assert((std::is_same<decltype(pow((double)0, (double)0)), double>::value), "");
461 static_assert((std::is_same<decltype(pow((long double)0, (long double)0)), long double>::value), "");
462 static_assert((std::is_same<decltype(pow((float)0, (double)0)), double>::value), "");
463 static_assert((std::is_same<decltype(pow((float)0, (long double)0)), long double>::value), "");
464 static_assert((std::is_same<decltype(pow((double)0, (long double)0)), long double>::value), "");
465 static_assert((std::is_same<decltype(powf(0,0)), float>::value), "");
466 static_assert((std::is_same<decltype(powl(0,0)), long double>::value), "");
467 static_assert((std::is_same<decltype(pow((int)0, (int)0)), double>::value), "");
468 // static_assert((std::is_same<decltype(pow(Value<int>(), (int)0)), double>::value), "");
469 // static_assert((std::is_same<decltype(pow(Value<long double>(), (float)0)), long double>::value), "");
470 // static_assert((std::is_same<decltype(pow((float) 0, Value<float>())), float>::value), "");
471 static_assert((std::is_same<decltype(pow(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
472 assert(pow(1,1) == 1);
473 // assert(pow(Value<int,1>(), Value<float,1>()) == 1);
474 // assert(pow(1.0f, Value<double,1>()) == 1);
475 // assert(pow(1.0, Value<int,1>()) == 1);
476 // assert(pow(Value<long double,1>(), 1LL) == 1);
477 }
478
test_sin()479 void test_sin()
480 {
481 static_assert((std::is_same<decltype(sin((float)0)), float>::value), "");
482 static_assert((std::is_same<decltype(sin((bool)0)), double>::value), "");
483 static_assert((std::is_same<decltype(sin((unsigned short)0)), double>::value), "");
484 static_assert((std::is_same<decltype(sin((int)0)), double>::value), "");
485 static_assert((std::is_same<decltype(sin((unsigned int)0)), double>::value), "");
486 static_assert((std::is_same<decltype(sin((long)0)), double>::value), "");
487 static_assert((std::is_same<decltype(sin((unsigned long)0)), double>::value), "");
488 static_assert((std::is_same<decltype(sin((long long)0)), double>::value), "");
489 static_assert((std::is_same<decltype(sin((unsigned long long)0)), double>::value), "");
490 static_assert((std::is_same<decltype(sin((double)0)), double>::value), "");
491 static_assert((std::is_same<decltype(sin((long double)0)), long double>::value), "");
492 static_assert((std::is_same<decltype(sinf(0)), float>::value), "");
493 static_assert((std::is_same<decltype(sinl(0)), long double>::value), "");
494 static_assert((std::is_same<decltype(sin(Ambiguous())), Ambiguous>::value), "");
495 assert(sin(0) == 0);
496 }
497
test_sinh()498 void test_sinh()
499 {
500 static_assert((std::is_same<decltype(sinh((float)0)), float>::value), "");
501 static_assert((std::is_same<decltype(sinh((bool)0)), double>::value), "");
502 static_assert((std::is_same<decltype(sinh((unsigned short)0)), double>::value), "");
503 static_assert((std::is_same<decltype(sinh((int)0)), double>::value), "");
504 static_assert((std::is_same<decltype(sinh((unsigned int)0)), double>::value), "");
505 static_assert((std::is_same<decltype(sinh((long)0)), double>::value), "");
506 static_assert((std::is_same<decltype(sinh((unsigned long)0)), double>::value), "");
507 static_assert((std::is_same<decltype(sinh((long long)0)), double>::value), "");
508 static_assert((std::is_same<decltype(sinh((unsigned long long)0)), double>::value), "");
509 static_assert((std::is_same<decltype(sinh((double)0)), double>::value), "");
510 static_assert((std::is_same<decltype(sinh((long double)0)), long double>::value), "");
511 static_assert((std::is_same<decltype(sinhf(0)), float>::value), "");
512 static_assert((std::is_same<decltype(sinhl(0)), long double>::value), "");
513 static_assert((std::is_same<decltype(sinh(Ambiguous())), Ambiguous>::value), "");
514 assert(sinh(0) == 0);
515 }
516
test_sqrt()517 void test_sqrt()
518 {
519 static_assert((std::is_same<decltype(sqrt((float)0)), float>::value), "");
520 static_assert((std::is_same<decltype(sqrt((bool)0)), double>::value), "");
521 static_assert((std::is_same<decltype(sqrt((unsigned short)0)), double>::value), "");
522 static_assert((std::is_same<decltype(sqrt((int)0)), double>::value), "");
523 static_assert((std::is_same<decltype(sqrt((unsigned int)0)), double>::value), "");
524 static_assert((std::is_same<decltype(sqrt((long)0)), double>::value), "");
525 static_assert((std::is_same<decltype(sqrt((unsigned long)0)), double>::value), "");
526 static_assert((std::is_same<decltype(sqrt((long long)0)), double>::value), "");
527 static_assert((std::is_same<decltype(sqrt((unsigned long long)0)), double>::value), "");
528 static_assert((std::is_same<decltype(sqrt((double)0)), double>::value), "");
529 static_assert((std::is_same<decltype(sqrt((long double)0)), long double>::value), "");
530 static_assert((std::is_same<decltype(sqrtf(0)), float>::value), "");
531 static_assert((std::is_same<decltype(sqrtl(0)), long double>::value), "");
532 static_assert((std::is_same<decltype(sqrt(Ambiguous())), Ambiguous>::value), "");
533 assert(sqrt(4) == 2);
534 }
535
test_tan()536 void test_tan()
537 {
538 static_assert((std::is_same<decltype(tan((float)0)), float>::value), "");
539 static_assert((std::is_same<decltype(tan((bool)0)), double>::value), "");
540 static_assert((std::is_same<decltype(tan((unsigned short)0)), double>::value), "");
541 static_assert((std::is_same<decltype(tan((int)0)), double>::value), "");
542 static_assert((std::is_same<decltype(tan((unsigned int)0)), double>::value), "");
543 static_assert((std::is_same<decltype(tan((long)0)), double>::value), "");
544 static_assert((std::is_same<decltype(tan((unsigned long)0)), double>::value), "");
545 static_assert((std::is_same<decltype(tan((long long)0)), double>::value), "");
546 static_assert((std::is_same<decltype(tan((unsigned long long)0)), double>::value), "");
547 static_assert((std::is_same<decltype(tan((double)0)), double>::value), "");
548 static_assert((std::is_same<decltype(tan((long double)0)), long double>::value), "");
549 static_assert((std::is_same<decltype(tanf(0)), float>::value), "");
550 static_assert((std::is_same<decltype(tanl(0)), long double>::value), "");
551 static_assert((std::is_same<decltype(tan(Ambiguous())), Ambiguous>::value), "");
552 assert(tan(0) == 0);
553 }
554
test_tanh()555 void test_tanh()
556 {
557 static_assert((std::is_same<decltype(tanh((float)0)), float>::value), "");
558 static_assert((std::is_same<decltype(tanh((bool)0)), double>::value), "");
559 static_assert((std::is_same<decltype(tanh((unsigned short)0)), double>::value), "");
560 static_assert((std::is_same<decltype(tanh((int)0)), double>::value), "");
561 static_assert((std::is_same<decltype(tanh((unsigned int)0)), double>::value), "");
562 static_assert((std::is_same<decltype(tanh((long)0)), double>::value), "");
563 static_assert((std::is_same<decltype(tanh((unsigned long)0)), double>::value), "");
564 static_assert((std::is_same<decltype(tanh((long long)0)), double>::value), "");
565 static_assert((std::is_same<decltype(tanh((unsigned long long)0)), double>::value), "");
566 static_assert((std::is_same<decltype(tanh((double)0)), double>::value), "");
567 static_assert((std::is_same<decltype(tanh((long double)0)), long double>::value), "");
568 static_assert((std::is_same<decltype(tanhf(0)), float>::value), "");
569 static_assert((std::is_same<decltype(tanhl(0)), long double>::value), "");
570 static_assert((std::is_same<decltype(tanh(Ambiguous())), Ambiguous>::value), "");
571 assert(tanh(0) == 0);
572 }
573
test_signbit()574 void test_signbit()
575 {
576 #ifdef signbit
577 #error signbit defined
578 #endif
579 static_assert((std::is_same<decltype(signbit((float)0)), bool>::value), "");
580 static_assert((std::is_same<decltype(signbit((double)0)), bool>::value), "");
581 static_assert((std::is_same<decltype(signbit(0)), bool>::value), "");
582 static_assert((std::is_same<decltype(signbit((long double)0)), bool>::value), "");
583 static_assert((std::is_same<decltype(signbit(Ambiguous())), Ambiguous>::value), "");
584 assert(signbit(-1.0) == true);
585 }
586
test_fpclassify()587 void test_fpclassify()
588 {
589 #ifdef fpclassify
590 #error fpclassify defined
591 #endif
592 static_assert((std::is_same<decltype(fpclassify((float)0)), int>::value), "");
593 static_assert((std::is_same<decltype(fpclassify((double)0)), int>::value), "");
594 static_assert((std::is_same<decltype(fpclassify(0)), int>::value), "");
595 static_assert((std::is_same<decltype(fpclassify((long double)0)), int>::value), "");
596 static_assert((std::is_same<decltype(fpclassify(Ambiguous())), Ambiguous>::value), "");
597 assert(fpclassify(-1.0) == FP_NORMAL);
598 }
599
test_isfinite()600 void test_isfinite()
601 {
602 #ifdef isfinite
603 #error isfinite defined
604 #endif
605 static_assert((std::is_same<decltype(isfinite((float)0)), bool>::value), "");
606 static_assert((std::is_same<decltype(isfinite((double)0)), bool>::value), "");
607 static_assert((std::is_same<decltype(isfinite(0)), bool>::value), "");
608 static_assert((std::is_same<decltype(isfinite((long double)0)), bool>::value), "");
609 static_assert((std::is_same<decltype(isfinite(Ambiguous())), Ambiguous>::value), "");
610 assert(isfinite(-1.0) == true);
611 }
612
test_isnormal()613 void test_isnormal()
614 {
615 #ifdef isnormal
616 #error isnormal defined
617 #endif
618 static_assert((std::is_same<decltype(isnormal((float)0)), bool>::value), "");
619 static_assert((std::is_same<decltype(isnormal((double)0)), bool>::value), "");
620 static_assert((std::is_same<decltype(isnormal(0)), bool>::value), "");
621 static_assert((std::is_same<decltype(isnormal((long double)0)), bool>::value), "");
622 static_assert((std::is_same<decltype(isnormal(Ambiguous())), Ambiguous>::value), "");
623 assert(isnormal(-1.0) == true);
624 }
625
test_isgreater()626 void test_isgreater()
627 {
628 #ifdef isgreater
629 #error isgreater defined
630 #endif
631 static_assert((std::is_same<decltype(isgreater((float)0, (float)0)), bool>::value), "");
632 static_assert((std::is_same<decltype(isgreater((float)0, (double)0)), bool>::value), "");
633 static_assert((std::is_same<decltype(isgreater((float)0, (long double)0)), bool>::value), "");
634 static_assert((std::is_same<decltype(isgreater((double)0, (float)0)), bool>::value), "");
635 static_assert((std::is_same<decltype(isgreater((double)0, (double)0)), bool>::value), "");
636 static_assert((std::is_same<decltype(isgreater(0, (double)0)), bool>::value), "");
637 static_assert((std::is_same<decltype(isgreater((double)0, (long double)0)), bool>::value), "");
638 static_assert((std::is_same<decltype(isgreater((long double)0, (float)0)), bool>::value), "");
639 static_assert((std::is_same<decltype(isgreater((long double)0, (double)0)), bool>::value), "");
640 static_assert((std::is_same<decltype(isgreater((long double)0, (long double)0)), bool>::value), "");
641 static_assert((std::is_same<decltype(isgreater(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
642 assert(isgreater(-1.0, 0.F) == false);
643 }
644
test_isgreaterequal()645 void test_isgreaterequal()
646 {
647 #ifdef isgreaterequal
648 #error isgreaterequal defined
649 #endif
650 static_assert((std::is_same<decltype(isgreaterequal((float)0, (float)0)), bool>::value), "");
651 static_assert((std::is_same<decltype(isgreaterequal((float)0, (double)0)), bool>::value), "");
652 static_assert((std::is_same<decltype(isgreaterequal((float)0, (long double)0)), bool>::value), "");
653 static_assert((std::is_same<decltype(isgreaterequal((double)0, (float)0)), bool>::value), "");
654 static_assert((std::is_same<decltype(isgreaterequal((double)0, (double)0)), bool>::value), "");
655 static_assert((std::is_same<decltype(isgreaterequal(0, (double)0)), bool>::value), "");
656 static_assert((std::is_same<decltype(isgreaterequal((double)0, (long double)0)), bool>::value), "");
657 static_assert((std::is_same<decltype(isgreaterequal((long double)0, (float)0)), bool>::value), "");
658 static_assert((std::is_same<decltype(isgreaterequal((long double)0, (double)0)), bool>::value), "");
659 static_assert((std::is_same<decltype(isgreaterequal((long double)0, (long double)0)), bool>::value), "");
660 static_assert((std::is_same<decltype(isgreaterequal(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
661 assert(isgreaterequal(-1.0, 0.F) == false);
662 }
663
test_isinf()664 void test_isinf()
665 {
666 #ifdef isinf
667 #error isinf defined
668 #endif
669 static_assert((std::is_same<decltype(isinf((float)0)), bool>::value), "");
670
671 typedef decltype(isinf((double)0)) DoubleRetType;
672 #ifndef __linux__
673 static_assert((std::is_same<DoubleRetType, bool>::value), "");
674 #else
675 // GLIBC < 2.26 defines 'isinf(double)' with a return type of 'int' in
676 // all C++ dialects. The test should tolerate this.
677 // See: https://sourceware.org/bugzilla/show_bug.cgi?id=19439
678 static_assert((std::is_same<DoubleRetType, bool>::value
679 || std::is_same<DoubleRetType, int>::value), "");
680 #endif
681
682 static_assert((std::is_same<decltype(isinf(0)), bool>::value), "");
683 static_assert((std::is_same<decltype(isinf((long double)0)), bool>::value), "");
684 assert(isinf(-1.0) == false);
685 }
686
test_isless()687 void test_isless()
688 {
689 #ifdef isless
690 #error isless defined
691 #endif
692 static_assert((std::is_same<decltype(isless((float)0, (float)0)), bool>::value), "");
693 static_assert((std::is_same<decltype(isless((float)0, (double)0)), bool>::value), "");
694 static_assert((std::is_same<decltype(isless((float)0, (long double)0)), bool>::value), "");
695 static_assert((std::is_same<decltype(isless((double)0, (float)0)), bool>::value), "");
696 static_assert((std::is_same<decltype(isless((double)0, (double)0)), bool>::value), "");
697 static_assert((std::is_same<decltype(isless(0, (double)0)), bool>::value), "");
698 static_assert((std::is_same<decltype(isless((double)0, (long double)0)), bool>::value), "");
699 static_assert((std::is_same<decltype(isless((long double)0, (float)0)), bool>::value), "");
700 static_assert((std::is_same<decltype(isless((long double)0, (double)0)), bool>::value), "");
701 static_assert((std::is_same<decltype(isless((long double)0, (long double)0)), bool>::value), "");
702 static_assert((std::is_same<decltype(isless(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
703 assert(isless(-1.0, 0.F) == true);
704 }
705
test_islessequal()706 void test_islessequal()
707 {
708 #ifdef islessequal
709 #error islessequal defined
710 #endif
711 static_assert((std::is_same<decltype(islessequal((float)0, (float)0)), bool>::value), "");
712 static_assert((std::is_same<decltype(islessequal((float)0, (double)0)), bool>::value), "");
713 static_assert((std::is_same<decltype(islessequal((float)0, (long double)0)), bool>::value), "");
714 static_assert((std::is_same<decltype(islessequal((double)0, (float)0)), bool>::value), "");
715 static_assert((std::is_same<decltype(islessequal((double)0, (double)0)), bool>::value), "");
716 static_assert((std::is_same<decltype(islessequal(0, (double)0)), bool>::value), "");
717 static_assert((std::is_same<decltype(islessequal((double)0, (long double)0)), bool>::value), "");
718 static_assert((std::is_same<decltype(islessequal((long double)0, (float)0)), bool>::value), "");
719 static_assert((std::is_same<decltype(islessequal((long double)0, (double)0)), bool>::value), "");
720 static_assert((std::is_same<decltype(islessequal((long double)0, (long double)0)), bool>::value), "");
721 static_assert((std::is_same<decltype(islessequal(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
722 assert(islessequal(-1.0, 0.F) == true);
723 }
724
test_islessgreater()725 void test_islessgreater()
726 {
727 #ifdef islessgreater
728 #error islessgreater defined
729 #endif
730 static_assert((std::is_same<decltype(islessgreater((float)0, (float)0)), bool>::value), "");
731 static_assert((std::is_same<decltype(islessgreater((float)0, (double)0)), bool>::value), "");
732 static_assert((std::is_same<decltype(islessgreater((float)0, (long double)0)), bool>::value), "");
733 static_assert((std::is_same<decltype(islessgreater((double)0, (float)0)), bool>::value), "");
734 static_assert((std::is_same<decltype(islessgreater((double)0, (double)0)), bool>::value), "");
735 static_assert((std::is_same<decltype(islessgreater(0, (double)0)), bool>::value), "");
736 static_assert((std::is_same<decltype(islessgreater((double)0, (long double)0)), bool>::value), "");
737 static_assert((std::is_same<decltype(islessgreater((long double)0, (float)0)), bool>::value), "");
738 static_assert((std::is_same<decltype(islessgreater((long double)0, (double)0)), bool>::value), "");
739 static_assert((std::is_same<decltype(islessgreater((long double)0, (long double)0)), bool>::value), "");
740 static_assert((std::is_same<decltype(islessgreater(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
741 assert(islessgreater(-1.0, 0.F) == true);
742 }
743
test_isnan()744 void test_isnan()
745 {
746 #ifdef isnan
747 #error isnan defined
748 #endif
749 static_assert((std::is_same<decltype(isnan((float)0)), bool>::value), "");
750
751 typedef decltype(isnan((double)0)) DoubleRetType;
752 #ifndef __linux__
753 static_assert((std::is_same<DoubleRetType, bool>::value), "");
754 #else
755 // GLIBC < 2.26 defines 'isnan(double)' with a return type of 'int' in
756 // all C++ dialects. The test should tolerate this.
757 // See: https://sourceware.org/bugzilla/show_bug.cgi?id=19439
758 static_assert((std::is_same<DoubleRetType, bool>::value
759 || std::is_same<DoubleRetType, int>::value), "");
760 #endif
761
762 static_assert((std::is_same<decltype(isnan(0)), bool>::value), "");
763 static_assert((std::is_same<decltype(isnan((long double)0)), bool>::value), "");
764 assert(isnan(-1.0) == false);
765 }
766
test_isunordered()767 void test_isunordered()
768 {
769 #ifdef isunordered
770 #error isunordered defined
771 #endif
772 static_assert((std::is_same<decltype(isunordered((float)0, (float)0)), bool>::value), "");
773 static_assert((std::is_same<decltype(isunordered((float)0, (double)0)), bool>::value), "");
774 static_assert((std::is_same<decltype(isunordered((float)0, (long double)0)), bool>::value), "");
775 static_assert((std::is_same<decltype(isunordered((double)0, (float)0)), bool>::value), "");
776 static_assert((std::is_same<decltype(isunordered((double)0, (double)0)), bool>::value), "");
777 static_assert((std::is_same<decltype(isunordered(0, (double)0)), bool>::value), "");
778 static_assert((std::is_same<decltype(isunordered((double)0, (long double)0)), bool>::value), "");
779 static_assert((std::is_same<decltype(isunordered((long double)0, (float)0)), bool>::value), "");
780 static_assert((std::is_same<decltype(isunordered((long double)0, (double)0)), bool>::value), "");
781 static_assert((std::is_same<decltype(isunordered((long double)0, (long double)0)), bool>::value), "");
782 static_assert((std::is_same<decltype(isunordered(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
783 assert(isunordered(-1.0, 0.F) == false);
784 }
785
test_acosh()786 void test_acosh()
787 {
788 static_assert((std::is_same<decltype(acosh((float)0)), float>::value), "");
789 static_assert((std::is_same<decltype(acosh((bool)0)), double>::value), "");
790 static_assert((std::is_same<decltype(acosh((unsigned short)0)), double>::value), "");
791 static_assert((std::is_same<decltype(acosh((int)0)), double>::value), "");
792 static_assert((std::is_same<decltype(acosh((unsigned int)0)), double>::value), "");
793 static_assert((std::is_same<decltype(acosh((long)0)), double>::value), "");
794 static_assert((std::is_same<decltype(acosh((unsigned long)0)), double>::value), "");
795 static_assert((std::is_same<decltype(acosh((long long)0)), double>::value), "");
796 static_assert((std::is_same<decltype(acosh((unsigned long long)0)), double>::value), "");
797 static_assert((std::is_same<decltype(acosh((double)0)), double>::value), "");
798 static_assert((std::is_same<decltype(acosh((long double)0)), long double>::value), "");
799 static_assert((std::is_same<decltype(acoshf(0)), float>::value), "");
800 static_assert((std::is_same<decltype(acoshl(0)), long double>::value), "");
801 static_assert((std::is_same<decltype(acosh(Ambiguous())), Ambiguous>::value), "");
802 assert(acosh(1) == 0);
803 }
804
test_asinh()805 void test_asinh()
806 {
807 static_assert((std::is_same<decltype(asinh((float)0)), float>::value), "");
808 static_assert((std::is_same<decltype(asinh((bool)0)), double>::value), "");
809 static_assert((std::is_same<decltype(asinh((unsigned short)0)), double>::value), "");
810 static_assert((std::is_same<decltype(asinh((int)0)), double>::value), "");
811 static_assert((std::is_same<decltype(asinh((unsigned int)0)), double>::value), "");
812 static_assert((std::is_same<decltype(asinh((long)0)), double>::value), "");
813 static_assert((std::is_same<decltype(asinh((unsigned long)0)), double>::value), "");
814 static_assert((std::is_same<decltype(asinh((long long)0)), double>::value), "");
815 static_assert((std::is_same<decltype(asinh((unsigned long long)0)), double>::value), "");
816 static_assert((std::is_same<decltype(asinh((double)0)), double>::value), "");
817 static_assert((std::is_same<decltype(asinh((long double)0)), long double>::value), "");
818 static_assert((std::is_same<decltype(asinhf(0)), float>::value), "");
819 static_assert((std::is_same<decltype(asinhl(0)), long double>::value), "");
820 static_assert((std::is_same<decltype(asinh(Ambiguous())), Ambiguous>::value), "");
821 assert(asinh(0) == 0);
822 }
823
test_atanh()824 void test_atanh()
825 {
826 static_assert((std::is_same<decltype(atanh((float)0)), float>::value), "");
827 static_assert((std::is_same<decltype(atanh((bool)0)), double>::value), "");
828 static_assert((std::is_same<decltype(atanh((unsigned short)0)), double>::value), "");
829 static_assert((std::is_same<decltype(atanh((int)0)), double>::value), "");
830 static_assert((std::is_same<decltype(atanh((unsigned int)0)), double>::value), "");
831 static_assert((std::is_same<decltype(atanh((long)0)), double>::value), "");
832 static_assert((std::is_same<decltype(atanh((unsigned long)0)), double>::value), "");
833 static_assert((std::is_same<decltype(atanh((long long)0)), double>::value), "");
834 static_assert((std::is_same<decltype(atanh((unsigned long long)0)), double>::value), "");
835 static_assert((std::is_same<decltype(atanh((double)0)), double>::value), "");
836 static_assert((std::is_same<decltype(atanh((long double)0)), long double>::value), "");
837 static_assert((std::is_same<decltype(atanhf(0)), float>::value), "");
838 static_assert((std::is_same<decltype(atanhl(0)), long double>::value), "");
839 static_assert((std::is_same<decltype(atanh(Ambiguous())), Ambiguous>::value), "");
840 assert(atanh(0) == 0);
841 }
842
test_cbrt()843 void test_cbrt() {
844 static_assert((std::is_same<decltype(cbrt((float) 0)), float>::value), "");
845 static_assert((std::is_same<decltype(cbrt((bool) 0)), double>::value), "");
846 static_assert((std::is_same<decltype(cbrt((unsigned short) 0)),
847 double>::value), "");
848 static_assert((std::is_same<decltype(cbrt((int) 0)), double>::value), "");
849 static_assert((std::is_same<decltype(cbrt((unsigned int) 0)),
850 double>::value), "");
851 static_assert((std::is_same<decltype(cbrt((long) 0)), double>::value), "");
852 static_assert((std::is_same<decltype(cbrt((unsigned long) 0)),
853 double>::value), "");
854 static_assert((std::is_same<decltype(cbrt((long long) 0)), double>::value),
855 "");
856 static_assert((std::is_same<decltype(cbrt((unsigned long long) 0)),
857 double>::value), "");
858 static_assert((std::is_same<decltype(cbrt((double) 0)), double>::value),
859 "");
860 static_assert((std::is_same<decltype(cbrt((long double) 0)),
861 long double>::value), "");
862 static_assert((std::is_same<decltype(cbrtf(0)), float>::value), "");
863 static_assert((std::is_same<decltype(cbrtl(0)), long double>::value), "");
864 static_assert((std::is_same<decltype(cbrt(Ambiguous())), Ambiguous>::value),
865 "");
866 assert(truncate_fp(cbrt(1)) == 1);
867
868 }
869
test_copysign()870 void test_copysign()
871 {
872 static_assert((std::is_same<decltype(copysign((float)0, (float)0)), float>::value), "");
873 static_assert((std::is_same<decltype(copysign((bool)0, (float)0)), double>::value), "");
874 static_assert((std::is_same<decltype(copysign((unsigned short)0, (double)0)), double>::value), "");
875 static_assert((std::is_same<decltype(copysign((int)0, (long double)0)), long double>::value), "");
876 static_assert((std::is_same<decltype(copysign((float)0, (unsigned int)0)), double>::value), "");
877 static_assert((std::is_same<decltype(copysign((double)0, (long)0)), double>::value), "");
878 static_assert((std::is_same<decltype(copysign((long double)0, (unsigned long)0)), long double>::value), "");
879 static_assert((std::is_same<decltype(copysign((int)0, (long long)0)), double>::value), "");
880 static_assert((std::is_same<decltype(copysign((int)0, (unsigned long long)0)), double>::value), "");
881 static_assert((std::is_same<decltype(copysign((double)0, (double)0)), double>::value), "");
882 static_assert((std::is_same<decltype(copysign((long double)0, (long double)0)), long double>::value), "");
883 static_assert((std::is_same<decltype(copysign((float)0, (double)0)), double>::value), "");
884 static_assert((std::is_same<decltype(copysign((float)0, (long double)0)), long double>::value), "");
885 static_assert((std::is_same<decltype(copysign((double)0, (long double)0)), long double>::value), "");
886 static_assert((std::is_same<decltype(copysignf(0,0)), float>::value), "");
887 static_assert((std::is_same<decltype(copysignl(0,0)), long double>::value), "");
888 static_assert((std::is_same<decltype(copysign((int)0, (int)0)), double>::value), "");
889 static_assert((std::is_same<decltype(copysign(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
890 assert(copysign(1,1) == 1);
891 }
892
test_erf()893 void test_erf()
894 {
895 static_assert((std::is_same<decltype(erf((float)0)), float>::value), "");
896 static_assert((std::is_same<decltype(erf((bool)0)), double>::value), "");
897 static_assert((std::is_same<decltype(erf((unsigned short)0)), double>::value), "");
898 static_assert((std::is_same<decltype(erf((int)0)), double>::value), "");
899 static_assert((std::is_same<decltype(erf((unsigned int)0)), double>::value), "");
900 static_assert((std::is_same<decltype(erf((long)0)), double>::value), "");
901 static_assert((std::is_same<decltype(erf((unsigned long)0)), double>::value), "");
902 static_assert((std::is_same<decltype(erf((long long)0)), double>::value), "");
903 static_assert((std::is_same<decltype(erf((unsigned long long)0)), double>::value), "");
904 static_assert((std::is_same<decltype(erf((double)0)), double>::value), "");
905 static_assert((std::is_same<decltype(erf((long double)0)), long double>::value), "");
906 static_assert((std::is_same<decltype(erff(0)), float>::value), "");
907 static_assert((std::is_same<decltype(erfl(0)), long double>::value), "");
908 static_assert((std::is_same<decltype(erf(Ambiguous())), Ambiguous>::value), "");
909 assert(erf(0) == 0);
910 }
911
test_erfc()912 void test_erfc()
913 {
914 static_assert((std::is_same<decltype(erfc((float)0)), float>::value), "");
915 static_assert((std::is_same<decltype(erfc((bool)0)), double>::value), "");
916 static_assert((std::is_same<decltype(erfc((unsigned short)0)), double>::value), "");
917 static_assert((std::is_same<decltype(erfc((int)0)), double>::value), "");
918 static_assert((std::is_same<decltype(erfc((unsigned int)0)), double>::value), "");
919 static_assert((std::is_same<decltype(erfc((long)0)), double>::value), "");
920 static_assert((std::is_same<decltype(erfc((unsigned long)0)), double>::value), "");
921 static_assert((std::is_same<decltype(erfc((long long)0)), double>::value), "");
922 static_assert((std::is_same<decltype(erfc((unsigned long long)0)), double>::value), "");
923 static_assert((std::is_same<decltype(erfc((double)0)), double>::value), "");
924 static_assert((std::is_same<decltype(erfc((long double)0)), long double>::value), "");
925 static_assert((std::is_same<decltype(erfcf(0)), float>::value), "");
926 static_assert((std::is_same<decltype(erfcl(0)), long double>::value), "");
927 static_assert((std::is_same<decltype(erfc(Ambiguous())), Ambiguous>::value), "");
928 assert(erfc(0) == 1);
929 }
930
test_exp2()931 void test_exp2()
932 {
933 static_assert((std::is_same<decltype(exp2((float)0)), float>::value), "");
934 static_assert((std::is_same<decltype(exp2((bool)0)), double>::value), "");
935 static_assert((std::is_same<decltype(exp2((unsigned short)0)), double>::value), "");
936 static_assert((std::is_same<decltype(exp2((int)0)), double>::value), "");
937 static_assert((std::is_same<decltype(exp2((unsigned int)0)), double>::value), "");
938 static_assert((std::is_same<decltype(exp2((long)0)), double>::value), "");
939 static_assert((std::is_same<decltype(exp2((unsigned long)0)), double>::value), "");
940 static_assert((std::is_same<decltype(exp2((long long)0)), double>::value), "");
941 static_assert((std::is_same<decltype(exp2((unsigned long long)0)), double>::value), "");
942 static_assert((std::is_same<decltype(exp2((double)0)), double>::value), "");
943 static_assert((std::is_same<decltype(exp2((long double)0)), long double>::value), "");
944 static_assert((std::is_same<decltype(exp2f(0)), float>::value), "");
945 static_assert((std::is_same<decltype(exp2l(0)), long double>::value), "");
946 static_assert((std::is_same<decltype(exp2(Ambiguous())), Ambiguous>::value), "");
947 assert(exp2(1) == 2);
948 }
949
test_expm1()950 void test_expm1()
951 {
952 static_assert((std::is_same<decltype(expm1((float)0)), float>::value), "");
953 static_assert((std::is_same<decltype(expm1((bool)0)), double>::value), "");
954 static_assert((std::is_same<decltype(expm1((unsigned short)0)), double>::value), "");
955 static_assert((std::is_same<decltype(expm1((int)0)), double>::value), "");
956 static_assert((std::is_same<decltype(expm1((unsigned int)0)), double>::value), "");
957 static_assert((std::is_same<decltype(expm1((long)0)), double>::value), "");
958 static_assert((std::is_same<decltype(expm1((unsigned long)0)), double>::value), "");
959 static_assert((std::is_same<decltype(expm1((long long)0)), double>::value), "");
960 static_assert((std::is_same<decltype(expm1((unsigned long long)0)), double>::value), "");
961 static_assert((std::is_same<decltype(expm1((double)0)), double>::value), "");
962 static_assert((std::is_same<decltype(expm1((long double)0)), long double>::value), "");
963 static_assert((std::is_same<decltype(expm1f(0)), float>::value), "");
964 static_assert((std::is_same<decltype(expm1l(0)), long double>::value), "");
965 static_assert((std::is_same<decltype(expm1(Ambiguous())), Ambiguous>::value), "");
966 assert(expm1(0) == 0);
967 }
968
test_fdim()969 void test_fdim()
970 {
971 static_assert((std::is_same<decltype(fdim((float)0, (float)0)), float>::value), "");
972 static_assert((std::is_same<decltype(fdim((bool)0, (float)0)), double>::value), "");
973 static_assert((std::is_same<decltype(fdim((unsigned short)0, (double)0)), double>::value), "");
974 static_assert((std::is_same<decltype(fdim((int)0, (long double)0)), long double>::value), "");
975 static_assert((std::is_same<decltype(fdim((float)0, (unsigned int)0)), double>::value), "");
976 static_assert((std::is_same<decltype(fdim((double)0, (long)0)), double>::value), "");
977 static_assert((std::is_same<decltype(fdim((long double)0, (unsigned long)0)), long double>::value), "");
978 static_assert((std::is_same<decltype(fdim((int)0, (long long)0)), double>::value), "");
979 static_assert((std::is_same<decltype(fdim((int)0, (unsigned long long)0)), double>::value), "");
980 static_assert((std::is_same<decltype(fdim((double)0, (double)0)), double>::value), "");
981 static_assert((std::is_same<decltype(fdim((long double)0, (long double)0)), long double>::value), "");
982 static_assert((std::is_same<decltype(fdim((float)0, (double)0)), double>::value), "");
983 static_assert((std::is_same<decltype(fdim((float)0, (long double)0)), long double>::value), "");
984 static_assert((std::is_same<decltype(fdim((double)0, (long double)0)), long double>::value), "");
985 static_assert((std::is_same<decltype(fdimf(0,0)), float>::value), "");
986 static_assert((std::is_same<decltype(fdiml(0,0)), long double>::value), "");
987 static_assert((std::is_same<decltype(fdim((int)0, (int)0)), double>::value), "");
988 static_assert((std::is_same<decltype(fdim(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
989 assert(fdim(1,0) == 1);
990 }
991
test_fma()992 void test_fma()
993 {
994 static_assert((std::is_same<decltype(fma((bool)0, (float)0, (float)0)), double>::value), "");
995 static_assert((std::is_same<decltype(fma((char)0, (float)0, (float)0)), double>::value), "");
996 static_assert((std::is_same<decltype(fma((unsigned)0, (float)0, (float)0)), double>::value), "");
997 static_assert((std::is_same<decltype(fma((float)0, (int)0, (float)0)), double>::value), "");
998 static_assert((std::is_same<decltype(fma((float)0, (long)0, (float)0)), double>::value), "");
999 static_assert((std::is_same<decltype(fma((float)0, (float)0, (unsigned long long)0)), double>::value), "");
1000 static_assert((std::is_same<decltype(fma((float)0, (float)0, (double)0)), double>::value), "");
1001 static_assert((std::is_same<decltype(fma((float)0, (float)0, (long double)0)), long double>::value), "");
1002 static_assert((std::is_same<decltype(fma((float)0, (float)0, (float)0)), float>::value), "");
1003
1004 static_assert((std::is_same<decltype(fma((bool)0, (double)0, (double)0)), double>::value), "");
1005 static_assert((std::is_same<decltype(fma((char)0, (double)0, (double)0)), double>::value), "");
1006 static_assert((std::is_same<decltype(fma((unsigned)0, (double)0, (double)0)), double>::value), "");
1007 static_assert((std::is_same<decltype(fma((double)0, (int)0, (double)0)), double>::value), "");
1008 static_assert((std::is_same<decltype(fma((double)0, (long)0, (double)0)), double>::value), "");
1009 static_assert((std::is_same<decltype(fma((double)0, (double)0, (unsigned long long)0)), double>::value), "");
1010 static_assert((std::is_same<decltype(fma((double)0, (double)0, (float)0)), double>::value), "");
1011 static_assert((std::is_same<decltype(fma((double)0, (double)0, (long double)0)), long double>::value), "");
1012 static_assert((std::is_same<decltype(fma((double)0, (double)0, (double)0)), double>::value), "");
1013
1014 static_assert((std::is_same<decltype(fma((bool)0, (long double)0, (long double)0)), long double>::value), "");
1015 static_assert((std::is_same<decltype(fma((char)0, (long double)0, (long double)0)), long double>::value), "");
1016 static_assert((std::is_same<decltype(fma((unsigned)0, (long double)0, (long double)0)), long double>::value), "");
1017 static_assert((std::is_same<decltype(fma((long double)0, (int)0, (long double)0)), long double>::value), "");
1018 static_assert((std::is_same<decltype(fma((long double)0, (long)0, (long double)0)), long double>::value), "");
1019 static_assert((std::is_same<decltype(fma((long double)0, (long double)0, (unsigned long long)0)), long double>::value), "");
1020 static_assert((std::is_same<decltype(fma((long double)0, (long double)0, (float)0)), long double>::value), "");
1021 static_assert((std::is_same<decltype(fma((double)0, (long double)0, (long double)0)), long double>::value), "");
1022 static_assert((std::is_same<decltype(fma((long double)0, (long double)0, (long double)0)), long double>::value), "");
1023
1024 static_assert((std::is_same<decltype(fmaf(0,0,0)), float>::value), "");
1025 static_assert((std::is_same<decltype(fmal(0,0,0)), long double>::value), "");
1026 static_assert((std::is_same<decltype(fma(Ambiguous(), Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1027 assert(fma(1,1,1) == 2);
1028 }
1029
test_fmax()1030 void test_fmax()
1031 {
1032 static_assert((std::is_same<decltype(fmax((float)0, (float)0)), float>::value), "");
1033 static_assert((std::is_same<decltype(fmax((bool)0, (float)0)), double>::value), "");
1034 static_assert((std::is_same<decltype(fmax((unsigned short)0, (double)0)), double>::value), "");
1035 static_assert((std::is_same<decltype(fmax((int)0, (long double)0)), long double>::value), "");
1036 static_assert((std::is_same<decltype(fmax((float)0, (unsigned int)0)), double>::value), "");
1037 static_assert((std::is_same<decltype(fmax((double)0, (long)0)), double>::value), "");
1038 static_assert((std::is_same<decltype(fmax((long double)0, (unsigned long)0)), long double>::value), "");
1039 static_assert((std::is_same<decltype(fmax((int)0, (long long)0)), double>::value), "");
1040 static_assert((std::is_same<decltype(fmax((int)0, (unsigned long long)0)), double>::value), "");
1041 static_assert((std::is_same<decltype(fmax((double)0, (double)0)), double>::value), "");
1042 static_assert((std::is_same<decltype(fmax((long double)0, (long double)0)), long double>::value), "");
1043 static_assert((std::is_same<decltype(fmax((float)0, (double)0)), double>::value), "");
1044 static_assert((std::is_same<decltype(fmax((float)0, (long double)0)), long double>::value), "");
1045 static_assert((std::is_same<decltype(fmax((double)0, (long double)0)), long double>::value), "");
1046 static_assert((std::is_same<decltype(fmaxf(0,0)), float>::value), "");
1047 static_assert((std::is_same<decltype(fmaxl(0,0)), long double>::value), "");
1048 static_assert((std::is_same<decltype(fmax((int)0, (int)0)), double>::value), "");
1049 static_assert((std::is_same<decltype(fmax(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1050 assert(fmax(1,0) == 1);
1051 }
1052
test_fmin()1053 void test_fmin()
1054 {
1055 static_assert((std::is_same<decltype(fmin((float)0, (float)0)), float>::value), "");
1056 static_assert((std::is_same<decltype(fmin((bool)0, (float)0)), double>::value), "");
1057 static_assert((std::is_same<decltype(fmin((unsigned short)0, (double)0)), double>::value), "");
1058 static_assert((std::is_same<decltype(fmin((int)0, (long double)0)), long double>::value), "");
1059 static_assert((std::is_same<decltype(fmin((float)0, (unsigned int)0)), double>::value), "");
1060 static_assert((std::is_same<decltype(fmin((double)0, (long)0)), double>::value), "");
1061 static_assert((std::is_same<decltype(fmin((long double)0, (unsigned long)0)), long double>::value), "");
1062 static_assert((std::is_same<decltype(fmin((int)0, (long long)0)), double>::value), "");
1063 static_assert((std::is_same<decltype(fmin((int)0, (unsigned long long)0)), double>::value), "");
1064 static_assert((std::is_same<decltype(fmin((double)0, (double)0)), double>::value), "");
1065 static_assert((std::is_same<decltype(fmin((long double)0, (long double)0)), long double>::value), "");
1066 static_assert((std::is_same<decltype(fmin((float)0, (double)0)), double>::value), "");
1067 static_assert((std::is_same<decltype(fmin((float)0, (long double)0)), long double>::value), "");
1068 static_assert((std::is_same<decltype(fmin((double)0, (long double)0)), long double>::value), "");
1069 static_assert((std::is_same<decltype(fminf(0,0)), float>::value), "");
1070 static_assert((std::is_same<decltype(fminl(0,0)), long double>::value), "");
1071 static_assert((std::is_same<decltype(fmin((int)0, (int)0)), double>::value), "");
1072 static_assert((std::is_same<decltype(fmin(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1073 assert(fmin(1,0) == 0);
1074 }
1075
test_hypot()1076 void test_hypot()
1077 {
1078 static_assert((std::is_same<decltype(hypot((float)0, (float)0)), float>::value), "");
1079 static_assert((std::is_same<decltype(hypot((bool)0, (float)0)), double>::value), "");
1080 static_assert((std::is_same<decltype(hypot((unsigned short)0, (double)0)), double>::value), "");
1081 static_assert((std::is_same<decltype(hypot((int)0, (long double)0)), long double>::value), "");
1082 static_assert((std::is_same<decltype(hypot((float)0, (unsigned int)0)), double>::value), "");
1083 static_assert((std::is_same<decltype(hypot((double)0, (long)0)), double>::value), "");
1084 static_assert((std::is_same<decltype(hypot((long double)0, (unsigned long)0)), long double>::value), "");
1085 static_assert((std::is_same<decltype(hypot((int)0, (long long)0)), double>::value), "");
1086 static_assert((std::is_same<decltype(hypot((int)0, (unsigned long long)0)), double>::value), "");
1087 static_assert((std::is_same<decltype(hypot((double)0, (double)0)), double>::value), "");
1088 static_assert((std::is_same<decltype(hypot((long double)0, (long double)0)), long double>::value), "");
1089 static_assert((std::is_same<decltype(hypot((float)0, (double)0)), double>::value), "");
1090 static_assert((std::is_same<decltype(hypot((float)0, (long double)0)), long double>::value), "");
1091 static_assert((std::is_same<decltype(hypot((double)0, (long double)0)), long double>::value), "");
1092 static_assert((std::is_same<decltype(hypotf(0,0)), float>::value), "");
1093 static_assert((std::is_same<decltype(hypotl(0,0)), long double>::value), "");
1094 static_assert((std::is_same<decltype(hypot((int)0, (int)0)), double>::value), "");
1095 static_assert((std::is_same<decltype(hypot(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1096 assert(hypot(3,4) == 5);
1097 }
1098
test_ilogb()1099 void test_ilogb()
1100 {
1101 static_assert((std::is_same<decltype(ilogb((float)0)), int>::value), "");
1102 static_assert((std::is_same<decltype(ilogb((bool)0)), int>::value), "");
1103 static_assert((std::is_same<decltype(ilogb((unsigned short)0)), int>::value), "");
1104 static_assert((std::is_same<decltype(ilogb((int)0)), int>::value), "");
1105 static_assert((std::is_same<decltype(ilogb((unsigned int)0)), int>::value), "");
1106 static_assert((std::is_same<decltype(ilogb((long)0)), int>::value), "");
1107 static_assert((std::is_same<decltype(ilogb((unsigned long)0)), int>::value), "");
1108 static_assert((std::is_same<decltype(ilogb((long long)0)), int>::value), "");
1109 static_assert((std::is_same<decltype(ilogb((unsigned long long)0)), int>::value), "");
1110 static_assert((std::is_same<decltype(ilogb((double)0)), int>::value), "");
1111 static_assert((std::is_same<decltype(ilogb((long double)0)), int>::value), "");
1112 static_assert((std::is_same<decltype(ilogbf(0)), int>::value), "");
1113 static_assert((std::is_same<decltype(ilogbl(0)), int>::value), "");
1114 static_assert((std::is_same<decltype(ilogb(Ambiguous())), Ambiguous>::value), "");
1115 assert(ilogb(1) == 0);
1116 }
1117
test_lgamma()1118 void test_lgamma()
1119 {
1120 static_assert((std::is_same<decltype(lgamma((float)0)), float>::value), "");
1121 static_assert((std::is_same<decltype(lgamma((bool)0)), double>::value), "");
1122 static_assert((std::is_same<decltype(lgamma((unsigned short)0)), double>::value), "");
1123 static_assert((std::is_same<decltype(lgamma((int)0)), double>::value), "");
1124 static_assert((std::is_same<decltype(lgamma((unsigned int)0)), double>::value), "");
1125 static_assert((std::is_same<decltype(lgamma((long)0)), double>::value), "");
1126 static_assert((std::is_same<decltype(lgamma((unsigned long)0)), double>::value), "");
1127 static_assert((std::is_same<decltype(lgamma((long long)0)), double>::value), "");
1128 static_assert((std::is_same<decltype(lgamma((unsigned long long)0)), double>::value), "");
1129 static_assert((std::is_same<decltype(lgamma((double)0)), double>::value), "");
1130 static_assert((std::is_same<decltype(lgamma((long double)0)), long double>::value), "");
1131 static_assert((std::is_same<decltype(lgammaf(0)), float>::value), "");
1132 static_assert((std::is_same<decltype(lgammal(0)), long double>::value), "");
1133 static_assert((std::is_same<decltype(lgamma(Ambiguous())), Ambiguous>::value), "");
1134 assert(lgamma(1) == 0);
1135 }
1136
test_llrint()1137 void test_llrint()
1138 {
1139 static_assert((std::is_same<decltype(llrint((float)0)), long long>::value), "");
1140 static_assert((std::is_same<decltype(llrint((bool)0)), long long>::value), "");
1141 static_assert((std::is_same<decltype(llrint((unsigned short)0)), long long>::value), "");
1142 static_assert((std::is_same<decltype(llrint((int)0)), long long>::value), "");
1143 static_assert((std::is_same<decltype(llrint((unsigned int)0)), long long>::value), "");
1144 static_assert((std::is_same<decltype(llrint((long)0)), long long>::value), "");
1145 static_assert((std::is_same<decltype(llrint((unsigned long)0)), long long>::value), "");
1146 static_assert((std::is_same<decltype(llrint((long long)0)), long long>::value), "");
1147 static_assert((std::is_same<decltype(llrint((unsigned long long)0)), long long>::value), "");
1148 static_assert((std::is_same<decltype(llrint((double)0)), long long>::value), "");
1149 static_assert((std::is_same<decltype(llrint((long double)0)), long long>::value), "");
1150 static_assert((std::is_same<decltype(llrintf(0)), long long>::value), "");
1151 static_assert((std::is_same<decltype(llrintl(0)), long long>::value), "");
1152 static_assert((std::is_same<decltype(llrint(Ambiguous())), Ambiguous>::value), "");
1153 assert(llrint(1) == 1LL);
1154 }
1155
test_llround()1156 void test_llround()
1157 {
1158 static_assert((std::is_same<decltype(llround((float)0)), long long>::value), "");
1159 static_assert((std::is_same<decltype(llround((bool)0)), long long>::value), "");
1160 static_assert((std::is_same<decltype(llround((unsigned short)0)), long long>::value), "");
1161 static_assert((std::is_same<decltype(llround((int)0)), long long>::value), "");
1162 static_assert((std::is_same<decltype(llround((unsigned int)0)), long long>::value), "");
1163 static_assert((std::is_same<decltype(llround((long)0)), long long>::value), "");
1164 static_assert((std::is_same<decltype(llround((unsigned long)0)), long long>::value), "");
1165 static_assert((std::is_same<decltype(llround((long long)0)), long long>::value), "");
1166 static_assert((std::is_same<decltype(llround((unsigned long long)0)), long long>::value), "");
1167 static_assert((std::is_same<decltype(llround((double)0)), long long>::value), "");
1168 static_assert((std::is_same<decltype(llround((long double)0)), long long>::value), "");
1169 static_assert((std::is_same<decltype(llroundf(0)), long long>::value), "");
1170 static_assert((std::is_same<decltype(llroundl(0)), long long>::value), "");
1171 static_assert((std::is_same<decltype(llround(Ambiguous())), Ambiguous>::value), "");
1172 assert(llround(1) == 1LL);
1173 }
1174
test_log1p()1175 void test_log1p()
1176 {
1177 static_assert((std::is_same<decltype(log1p((float)0)), float>::value), "");
1178 static_assert((std::is_same<decltype(log1p((bool)0)), double>::value), "");
1179 static_assert((std::is_same<decltype(log1p((unsigned short)0)), double>::value), "");
1180 static_assert((std::is_same<decltype(log1p((int)0)), double>::value), "");
1181 static_assert((std::is_same<decltype(log1p((unsigned int)0)), double>::value), "");
1182 static_assert((std::is_same<decltype(log1p((long)0)), double>::value), "");
1183 static_assert((std::is_same<decltype(log1p((unsigned long)0)), double>::value), "");
1184 static_assert((std::is_same<decltype(log1p((long long)0)), double>::value), "");
1185 static_assert((std::is_same<decltype(log1p((unsigned long long)0)), double>::value), "");
1186 static_assert((std::is_same<decltype(log1p((double)0)), double>::value), "");
1187 static_assert((std::is_same<decltype(log1p((long double)0)), long double>::value), "");
1188 static_assert((std::is_same<decltype(log1pf(0)), float>::value), "");
1189 static_assert((std::is_same<decltype(log1pl(0)), long double>::value), "");
1190 static_assert((std::is_same<decltype(log1p(Ambiguous())), Ambiguous>::value), "");
1191 assert(log1p(0) == 0);
1192 }
1193
test_log2()1194 void test_log2()
1195 {
1196 static_assert((std::is_same<decltype(log2((float)0)), float>::value), "");
1197 static_assert((std::is_same<decltype(log2((bool)0)), double>::value), "");
1198 static_assert((std::is_same<decltype(log2((unsigned short)0)), double>::value), "");
1199 static_assert((std::is_same<decltype(log2((int)0)), double>::value), "");
1200 static_assert((std::is_same<decltype(log2((unsigned int)0)), double>::value), "");
1201 static_assert((std::is_same<decltype(log2((long)0)), double>::value), "");
1202 static_assert((std::is_same<decltype(log2((unsigned long)0)), double>::value), "");
1203 static_assert((std::is_same<decltype(log2((long long)0)), double>::value), "");
1204 static_assert((std::is_same<decltype(log2((unsigned long long)0)), double>::value), "");
1205 static_assert((std::is_same<decltype(log2((double)0)), double>::value), "");
1206 static_assert((std::is_same<decltype(log2((long double)0)), long double>::value), "");
1207 static_assert((std::is_same<decltype(log2f(0)), float>::value), "");
1208 static_assert((std::is_same<decltype(log2l(0)), long double>::value), "");
1209 static_assert((std::is_same<decltype(log2(Ambiguous())), Ambiguous>::value), "");
1210 assert(log2(1) == 0);
1211 }
1212
test_logb()1213 void test_logb()
1214 {
1215 static_assert((std::is_same<decltype(logb((float)0)), float>::value), "");
1216 static_assert((std::is_same<decltype(logb((bool)0)), double>::value), "");
1217 static_assert((std::is_same<decltype(logb((unsigned short)0)), double>::value), "");
1218 static_assert((std::is_same<decltype(logb((int)0)), double>::value), "");
1219 static_assert((std::is_same<decltype(logb((unsigned int)0)), double>::value), "");
1220 static_assert((std::is_same<decltype(logb((long)0)), double>::value), "");
1221 static_assert((std::is_same<decltype(logb((unsigned long)0)), double>::value), "");
1222 static_assert((std::is_same<decltype(logb((long long)0)), double>::value), "");
1223 static_assert((std::is_same<decltype(logb((unsigned long long)0)), double>::value), "");
1224 static_assert((std::is_same<decltype(logb((double)0)), double>::value), "");
1225 static_assert((std::is_same<decltype(logb((long double)0)), long double>::value), "");
1226 static_assert((std::is_same<decltype(logbf(0)), float>::value), "");
1227 static_assert((std::is_same<decltype(logbl(0)), long double>::value), "");
1228 static_assert((std::is_same<decltype(logb(Ambiguous())), Ambiguous>::value), "");
1229 assert(logb(1) == 0);
1230 }
1231
test_lrint()1232 void test_lrint()
1233 {
1234 static_assert((std::is_same<decltype(lrint((float)0)), long>::value), "");
1235 static_assert((std::is_same<decltype(lrint((bool)0)), long>::value), "");
1236 static_assert((std::is_same<decltype(lrint((unsigned short)0)), long>::value), "");
1237 static_assert((std::is_same<decltype(lrint((int)0)), long>::value), "");
1238 static_assert((std::is_same<decltype(lrint((unsigned int)0)), long>::value), "");
1239 static_assert((std::is_same<decltype(lrint((long)0)), long>::value), "");
1240 static_assert((std::is_same<decltype(lrint((unsigned long)0)), long>::value), "");
1241 static_assert((std::is_same<decltype(lrint((long long)0)), long>::value), "");
1242 static_assert((std::is_same<decltype(lrint((unsigned long long)0)), long>::value), "");
1243 static_assert((std::is_same<decltype(lrint((double)0)), long>::value), "");
1244 static_assert((std::is_same<decltype(lrint((long double)0)), long>::value), "");
1245 static_assert((std::is_same<decltype(lrintf(0)), long>::value), "");
1246 static_assert((std::is_same<decltype(lrintl(0)), long>::value), "");
1247 static_assert((std::is_same<decltype(lrint(Ambiguous())), Ambiguous>::value), "");
1248 assert(lrint(1) == 1L);
1249 }
1250
test_lround()1251 void test_lround()
1252 {
1253 static_assert((std::is_same<decltype(lround((float)0)), long>::value), "");
1254 static_assert((std::is_same<decltype(lround((bool)0)), long>::value), "");
1255 static_assert((std::is_same<decltype(lround((unsigned short)0)), long>::value), "");
1256 static_assert((std::is_same<decltype(lround((int)0)), long>::value), "");
1257 static_assert((std::is_same<decltype(lround((unsigned int)0)), long>::value), "");
1258 static_assert((std::is_same<decltype(lround((long)0)), long>::value), "");
1259 static_assert((std::is_same<decltype(lround((unsigned long)0)), long>::value), "");
1260 static_assert((std::is_same<decltype(lround((long long)0)), long>::value), "");
1261 static_assert((std::is_same<decltype(lround((unsigned long long)0)), long>::value), "");
1262 static_assert((std::is_same<decltype(lround((double)0)), long>::value), "");
1263 static_assert((std::is_same<decltype(lround((long double)0)), long>::value), "");
1264 static_assert((std::is_same<decltype(lroundf(0)), long>::value), "");
1265 static_assert((std::is_same<decltype(lroundl(0)), long>::value), "");
1266 static_assert((std::is_same<decltype(lround(Ambiguous())), Ambiguous>::value), "");
1267 assert(lround(1) == 1L);
1268 }
1269
test_nan()1270 void test_nan()
1271 {
1272 static_assert((std::is_same<decltype(nan("")), double>::value), "");
1273 static_assert((std::is_same<decltype(nanf("")), float>::value), "");
1274 static_assert((std::is_same<decltype(nanl("")), long double>::value), "");
1275 }
1276
test_nearbyint()1277 void test_nearbyint()
1278 {
1279 static_assert((std::is_same<decltype(nearbyint((float)0)), float>::value), "");
1280 static_assert((std::is_same<decltype(nearbyint((bool)0)), double>::value), "");
1281 static_assert((std::is_same<decltype(nearbyint((unsigned short)0)), double>::value), "");
1282 static_assert((std::is_same<decltype(nearbyint((int)0)), double>::value), "");
1283 static_assert((std::is_same<decltype(nearbyint((unsigned int)0)), double>::value), "");
1284 static_assert((std::is_same<decltype(nearbyint((long)0)), double>::value), "");
1285 static_assert((std::is_same<decltype(nearbyint((unsigned long)0)), double>::value), "");
1286 static_assert((std::is_same<decltype(nearbyint((long long)0)), double>::value), "");
1287 static_assert((std::is_same<decltype(nearbyint((unsigned long long)0)), double>::value), "");
1288 static_assert((std::is_same<decltype(nearbyint((double)0)), double>::value), "");
1289 static_assert((std::is_same<decltype(nearbyint((long double)0)), long double>::value), "");
1290 static_assert((std::is_same<decltype(nearbyintf(0)), float>::value), "");
1291 static_assert((std::is_same<decltype(nearbyintl(0)), long double>::value), "");
1292 static_assert((std::is_same<decltype(nearbyint(Ambiguous())), Ambiguous>::value), "");
1293 assert(nearbyint(1) == 1);
1294 }
1295
test_nextafter()1296 void test_nextafter()
1297 {
1298 static_assert((std::is_same<decltype(nextafter((float)0, (float)0)), float>::value), "");
1299 static_assert((std::is_same<decltype(nextafter((bool)0, (float)0)), double>::value), "");
1300 static_assert((std::is_same<decltype(nextafter((unsigned short)0, (double)0)), double>::value), "");
1301 static_assert((std::is_same<decltype(nextafter((int)0, (long double)0)), long double>::value), "");
1302 static_assert((std::is_same<decltype(nextafter((float)0, (unsigned int)0)), double>::value), "");
1303 static_assert((std::is_same<decltype(nextafter((double)0, (long)0)), double>::value), "");
1304 static_assert((std::is_same<decltype(nextafter((long double)0, (unsigned long)0)), long double>::value), "");
1305 static_assert((std::is_same<decltype(nextafter((int)0, (long long)0)), double>::value), "");
1306 static_assert((std::is_same<decltype(nextafter((int)0, (unsigned long long)0)), double>::value), "");
1307 static_assert((std::is_same<decltype(nextafter((double)0, (double)0)), double>::value), "");
1308 static_assert((std::is_same<decltype(nextafter((long double)0, (long double)0)), long double>::value), "");
1309 static_assert((std::is_same<decltype(nextafter((float)0, (double)0)), double>::value), "");
1310 static_assert((std::is_same<decltype(nextafter((float)0, (long double)0)), long double>::value), "");
1311 static_assert((std::is_same<decltype(nextafter((double)0, (long double)0)), long double>::value), "");
1312 static_assert((std::is_same<decltype(nextafterf(0,0)), float>::value), "");
1313 static_assert((std::is_same<decltype(nextafterl(0,0)), long double>::value), "");
1314 static_assert((std::is_same<decltype(nextafter((int)0, (int)0)), double>::value), "");
1315 static_assert((std::is_same<decltype(nextafter(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1316 assert(nextafter(0,1) == hexfloat<double>(0x1, 0, -1074));
1317 }
1318
test_nexttoward()1319 void test_nexttoward()
1320 {
1321 static_assert((std::is_same<decltype(nexttoward((float)0, (long double)0)), float>::value), "");
1322 static_assert((std::is_same<decltype(nexttoward((bool)0, (long double)0)), double>::value), "");
1323 static_assert((std::is_same<decltype(nexttoward((unsigned short)0, (long double)0)), double>::value), "");
1324 static_assert((std::is_same<decltype(nexttoward((int)0, (long double)0)), double>::value), "");
1325 static_assert((std::is_same<decltype(nexttoward((unsigned int)0, (long double)0)), double>::value), "");
1326 static_assert((std::is_same<decltype(nexttoward((long)0, (long double)0)), double>::value), "");
1327 static_assert((std::is_same<decltype(nexttoward((unsigned long)0, (long double)0)), double>::value), "");
1328 static_assert((std::is_same<decltype(nexttoward((long long)0, (long double)0)), double>::value), "");
1329 static_assert((std::is_same<decltype(nexttoward((unsigned long long)0, (long double)0)), double>::value), "");
1330 static_assert((std::is_same<decltype(nexttoward((double)0, (long double)0)), double>::value), "");
1331 static_assert((std::is_same<decltype(nexttoward((long double)0, (long double)0)), long double>::value), "");
1332 static_assert((std::is_same<decltype(nexttowardf(0, (long double)0)), float>::value), "");
1333 static_assert((std::is_same<decltype(nexttowardl(0, (long double)0)), long double>::value), "");
1334 static_assert((std::is_same<decltype(nexttoward(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1335 assert(nexttoward(0, 1) == hexfloat<double>(0x1, 0, -1074));
1336 }
1337
test_remainder()1338 void test_remainder()
1339 {
1340 static_assert((std::is_same<decltype(remainder((float)0, (float)0)), float>::value), "");
1341 static_assert((std::is_same<decltype(remainder((bool)0, (float)0)), double>::value), "");
1342 static_assert((std::is_same<decltype(remainder((unsigned short)0, (double)0)), double>::value), "");
1343 static_assert((std::is_same<decltype(remainder((int)0, (long double)0)), long double>::value), "");
1344 static_assert((std::is_same<decltype(remainder((float)0, (unsigned int)0)), double>::value), "");
1345 static_assert((std::is_same<decltype(remainder((double)0, (long)0)), double>::value), "");
1346 static_assert((std::is_same<decltype(remainder((long double)0, (unsigned long)0)), long double>::value), "");
1347 static_assert((std::is_same<decltype(remainder((int)0, (long long)0)), double>::value), "");
1348 static_assert((std::is_same<decltype(remainder((int)0, (unsigned long long)0)), double>::value), "");
1349 static_assert((std::is_same<decltype(remainder((double)0, (double)0)), double>::value), "");
1350 static_assert((std::is_same<decltype(remainder((long double)0, (long double)0)), long double>::value), "");
1351 static_assert((std::is_same<decltype(remainder((float)0, (double)0)), double>::value), "");
1352 static_assert((std::is_same<decltype(remainder((float)0, (long double)0)), long double>::value), "");
1353 static_assert((std::is_same<decltype(remainder((double)0, (long double)0)), long double>::value), "");
1354 static_assert((std::is_same<decltype(remainderf(0,0)), float>::value), "");
1355 static_assert((std::is_same<decltype(remainderl(0,0)), long double>::value), "");
1356 static_assert((std::is_same<decltype(remainder((int)0, (int)0)), double>::value), "");
1357 static_assert((std::is_same<decltype(remainder(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1358 assert(remainder(0.5,1) == 0.5);
1359 }
1360
test_remquo()1361 void test_remquo()
1362 {
1363 int ip;
1364 static_assert((std::is_same<decltype(remquo((float)0, (float)0, &ip)), float>::value), "");
1365 static_assert((std::is_same<decltype(remquo((bool)0, (float)0, &ip)), double>::value), "");
1366 static_assert((std::is_same<decltype(remquo((unsigned short)0, (double)0, &ip)), double>::value), "");
1367 static_assert((std::is_same<decltype(remquo((int)0, (long double)0, &ip)), long double>::value), "");
1368 static_assert((std::is_same<decltype(remquo((float)0, (unsigned int)0, &ip)), double>::value), "");
1369 static_assert((std::is_same<decltype(remquo((double)0, (long)0, &ip)), double>::value), "");
1370 static_assert((std::is_same<decltype(remquo((long double)0, (unsigned long)0, &ip)), long double>::value), "");
1371 static_assert((std::is_same<decltype(remquo((int)0, (long long)0, &ip)), double>::value), "");
1372 static_assert((std::is_same<decltype(remquo((int)0, (unsigned long long)0, &ip)), double>::value), "");
1373 static_assert((std::is_same<decltype(remquo((double)0, (double)0, &ip)), double>::value), "");
1374 static_assert((std::is_same<decltype(remquo((long double)0, (long double)0, &ip)), long double>::value), "");
1375 static_assert((std::is_same<decltype(remquo((float)0, (double)0, &ip)), double>::value), "");
1376 static_assert((std::is_same<decltype(remquo((float)0, (long double)0, &ip)), long double>::value), "");
1377 static_assert((std::is_same<decltype(remquo((double)0, (long double)0, &ip)), long double>::value), "");
1378 static_assert((std::is_same<decltype(remquof(0,0, &ip)), float>::value), "");
1379 static_assert((std::is_same<decltype(remquol(0,0, &ip)), long double>::value), "");
1380 static_assert((std::is_same<decltype(remquo((int)0, (int)0, &ip)), double>::value), "");
1381 static_assert((std::is_same<decltype(remquo(Ambiguous(), Ambiguous(), &ip)), Ambiguous>::value), "");
1382 assert(remquo(0.5,1, &ip) == 0.5);
1383 }
1384
test_rint()1385 void test_rint()
1386 {
1387 static_assert((std::is_same<decltype(rint((float)0)), float>::value), "");
1388 static_assert((std::is_same<decltype(rint((bool)0)), double>::value), "");
1389 static_assert((std::is_same<decltype(rint((unsigned short)0)), double>::value), "");
1390 static_assert((std::is_same<decltype(rint((int)0)), double>::value), "");
1391 static_assert((std::is_same<decltype(rint((unsigned int)0)), double>::value), "");
1392 static_assert((std::is_same<decltype(rint((long)0)), double>::value), "");
1393 static_assert((std::is_same<decltype(rint((unsigned long)0)), double>::value), "");
1394 static_assert((std::is_same<decltype(rint((long long)0)), double>::value), "");
1395 static_assert((std::is_same<decltype(rint((unsigned long long)0)), double>::value), "");
1396 static_assert((std::is_same<decltype(rint((double)0)), double>::value), "");
1397 static_assert((std::is_same<decltype(rint((long double)0)), long double>::value), "");
1398 static_assert((std::is_same<decltype(rintf(0)), float>::value), "");
1399 static_assert((std::is_same<decltype(rintl(0)), long double>::value), "");
1400 static_assert((std::is_same<decltype(rint(Ambiguous())), Ambiguous>::value), "");
1401 assert(rint(1) == 1);
1402 }
1403
test_round()1404 void test_round()
1405 {
1406 static_assert((std::is_same<decltype(round((float)0)), float>::value), "");
1407 static_assert((std::is_same<decltype(round((bool)0)), double>::value), "");
1408 static_assert((std::is_same<decltype(round((unsigned short)0)), double>::value), "");
1409 static_assert((std::is_same<decltype(round((int)0)), double>::value), "");
1410 static_assert((std::is_same<decltype(round((unsigned int)0)), double>::value), "");
1411 static_assert((std::is_same<decltype(round((long)0)), double>::value), "");
1412 static_assert((std::is_same<decltype(round((unsigned long)0)), double>::value), "");
1413 static_assert((std::is_same<decltype(round((long long)0)), double>::value), "");
1414 static_assert((std::is_same<decltype(round((unsigned long long)0)), double>::value), "");
1415 static_assert((std::is_same<decltype(round((double)0)), double>::value), "");
1416 static_assert((std::is_same<decltype(round((long double)0)), long double>::value), "");
1417 static_assert((std::is_same<decltype(roundf(0)), float>::value), "");
1418 static_assert((std::is_same<decltype(roundl(0)), long double>::value), "");
1419 static_assert((std::is_same<decltype(round(Ambiguous())), Ambiguous>::value), "");
1420 assert(round(1) == 1);
1421 }
1422
test_scalbln()1423 void test_scalbln()
1424 {
1425 static_assert((std::is_same<decltype(scalbln((float)0, (long)0)), float>::value), "");
1426 static_assert((std::is_same<decltype(scalbln((bool)0, (long)0)), double>::value), "");
1427 static_assert((std::is_same<decltype(scalbln((unsigned short)0, (long)0)), double>::value), "");
1428 static_assert((std::is_same<decltype(scalbln((int)0, (long)0)), double>::value), "");
1429 static_assert((std::is_same<decltype(scalbln((unsigned int)0, (long)0)), double>::value), "");
1430 static_assert((std::is_same<decltype(scalbln((long)0, (long)0)), double>::value), "");
1431 static_assert((std::is_same<decltype(scalbln((unsigned long)0, (long)0)), double>::value), "");
1432 static_assert((std::is_same<decltype(scalbln((long long)0, (long)0)), double>::value), "");
1433 static_assert((std::is_same<decltype(scalbln((unsigned long long)0, (long)0)), double>::value), "");
1434 static_assert((std::is_same<decltype(scalbln((double)0, (long)0)), double>::value), "");
1435 static_assert((std::is_same<decltype(scalbln((long double)0, (long)0)), long double>::value), "");
1436 static_assert((std::is_same<decltype(scalblnf(0, (long)0)), float>::value), "");
1437 static_assert((std::is_same<decltype(scalblnl(0, (long)0)), long double>::value), "");
1438 static_assert((std::is_same<decltype(scalbln(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1439 assert(scalbln(1, 1) == 2);
1440 }
1441
test_scalbn()1442 void test_scalbn()
1443 {
1444 static_assert((std::is_same<decltype(scalbn((float)0, (int)0)), float>::value), "");
1445 static_assert((std::is_same<decltype(scalbn((bool)0, (int)0)), double>::value), "");
1446 static_assert((std::is_same<decltype(scalbn((unsigned short)0, (int)0)), double>::value), "");
1447 static_assert((std::is_same<decltype(scalbn((int)0, (int)0)), double>::value), "");
1448 static_assert((std::is_same<decltype(scalbn((unsigned int)0, (int)0)), double>::value), "");
1449 static_assert((std::is_same<decltype(scalbn((long)0, (int)0)), double>::value), "");
1450 static_assert((std::is_same<decltype(scalbn((unsigned long)0, (int)0)), double>::value), "");
1451 static_assert((std::is_same<decltype(scalbn((long long)0, (int)0)), double>::value), "");
1452 static_assert((std::is_same<decltype(scalbn((unsigned long long)0, (int)0)), double>::value), "");
1453 static_assert((std::is_same<decltype(scalbn((double)0, (int)0)), double>::value), "");
1454 static_assert((std::is_same<decltype(scalbn((long double)0, (int)0)), long double>::value), "");
1455 static_assert((std::is_same<decltype(scalbnf(0, (int)0)), float>::value), "");
1456 static_assert((std::is_same<decltype(scalbnl(0, (int)0)), long double>::value), "");
1457 static_assert((std::is_same<decltype(scalbn(Ambiguous(), Ambiguous())), Ambiguous>::value), "");
1458 assert(scalbn(1, 1) == 2);
1459 }
1460
test_tgamma()1461 void test_tgamma()
1462 {
1463 static_assert((std::is_same<decltype(tgamma((float)0)), float>::value), "");
1464 static_assert((std::is_same<decltype(tgamma((bool)0)), double>::value), "");
1465 static_assert((std::is_same<decltype(tgamma((unsigned short)0)), double>::value), "");
1466 static_assert((std::is_same<decltype(tgamma((int)0)), double>::value), "");
1467 static_assert((std::is_same<decltype(tgamma((unsigned int)0)), double>::value), "");
1468 static_assert((std::is_same<decltype(tgamma((long)0)), double>::value), "");
1469 static_assert((std::is_same<decltype(tgamma((unsigned long)0)), double>::value), "");
1470 static_assert((std::is_same<decltype(tgamma((long long)0)), double>::value), "");
1471 static_assert((std::is_same<decltype(tgamma((unsigned long long)0)), double>::value), "");
1472 static_assert((std::is_same<decltype(tgamma((double)0)), double>::value), "");
1473 static_assert((std::is_same<decltype(tgamma((long double)0)), long double>::value), "");
1474 static_assert((std::is_same<decltype(tgammaf(0)), float>::value), "");
1475 static_assert((std::is_same<decltype(tgammal(0)), long double>::value), "");
1476 static_assert((std::is_same<decltype(tgamma(Ambiguous())), Ambiguous>::value), "");
1477 assert(tgamma(1) == 1);
1478 }
1479
test_trunc()1480 void test_trunc()
1481 {
1482 static_assert((std::is_same<decltype(trunc((float)0)), float>::value), "");
1483 static_assert((std::is_same<decltype(trunc((bool)0)), double>::value), "");
1484 static_assert((std::is_same<decltype(trunc((unsigned short)0)), double>::value), "");
1485 static_assert((std::is_same<decltype(trunc((int)0)), double>::value), "");
1486 static_assert((std::is_same<decltype(trunc((unsigned int)0)), double>::value), "");
1487 static_assert((std::is_same<decltype(trunc((long)0)), double>::value), "");
1488 static_assert((std::is_same<decltype(trunc((unsigned long)0)), double>::value), "");
1489 static_assert((std::is_same<decltype(trunc((long long)0)), double>::value), "");
1490 static_assert((std::is_same<decltype(trunc((unsigned long long)0)), double>::value), "");
1491 static_assert((std::is_same<decltype(trunc((double)0)), double>::value), "");
1492 static_assert((std::is_same<decltype(trunc((long double)0)), long double>::value), "");
1493 static_assert((std::is_same<decltype(truncf(0)), float>::value), "");
1494 static_assert((std::is_same<decltype(truncl(0)), long double>::value), "");
1495 static_assert((std::is_same<decltype(trunc(Ambiguous())), Ambiguous>::value), "");
1496 assert(trunc(1) == 1);
1497 }
1498
main(int,char **)1499 int main(int, char**)
1500 {
1501 test_abs();
1502 test_acos();
1503 test_asin();
1504 test_atan();
1505 test_atan2();
1506 test_ceil();
1507 test_cos();
1508 test_cosh();
1509 test_exp();
1510 test_fabs();
1511 test_floor();
1512 test_fmod();
1513 test_frexp();
1514 test_ldexp();
1515 test_log();
1516 test_log10();
1517 test_modf();
1518 test_pow();
1519 test_sin();
1520 test_sinh();
1521 test_sqrt();
1522 test_tan();
1523 test_tanh();
1524 test_signbit();
1525 test_fpclassify();
1526 test_isfinite();
1527 test_isnormal();
1528 test_isgreater();
1529 test_isgreaterequal();
1530 test_isinf();
1531 test_isless();
1532 test_islessequal();
1533 test_islessgreater();
1534 test_isnan();
1535 test_isunordered();
1536 test_acosh();
1537 test_asinh();
1538 test_atanh();
1539 test_cbrt();
1540 test_copysign();
1541 test_erf();
1542 test_erfc();
1543 test_exp2();
1544 test_expm1();
1545 test_fdim();
1546 test_fma();
1547 test_fmax();
1548 test_fmin();
1549 test_hypot();
1550 test_ilogb();
1551 test_lgamma();
1552 test_llrint();
1553 test_llround();
1554 test_log1p();
1555 test_log2();
1556 test_logb();
1557 test_lrint();
1558 test_lround();
1559 test_nan();
1560 test_nearbyint();
1561 test_nextafter();
1562 test_nexttoward();
1563 test_remainder();
1564 test_remquo();
1565 test_rint();
1566 test_round();
1567 test_scalbln();
1568 test_scalbn();
1569 test_tgamma();
1570 test_trunc();
1571
1572 return 0;
1573 }
1574