1 /*
2 * Test cases from Googles Double Conversion Library
3 *
4 * https://github.com/google/double-conversion/blob/master/test/cctest/test-strtod.cc
5 *
6 * Added extra tests for grisu parse print roundtrip and negative sign.
7 */
8
9 #include <string.h>
10 #include <stdio.h>
11 #include <math.h>
12
13 #include "grisu3_print.h"
14 #include "grisu3_parse.h"
15
16 #define BEGIN_TEST(name) int test_ ## name() { \
17 int fail = 0; char *id = #name; double v; char *vector; \
18 char buf[1001];
19
20 #define END_TEST() return fail; }
21
22
check_double(double x1,double x2,char * id,int line,int * fail)23 void check_double(double x1, double x2, char *id, int line, int *fail)
24 {
25 char tmp[50];
26 const char *k;
27 int n;
28 int failed = 0;
29 double v;
30
31 if (x1 != x2) {
32 failed = 1;
33 fprintf(stderr, "%d: fail (%s): %.17g != %.17g\n",
34 line, id, x1, x2);
35 } else {
36 #if 1
37 n = grisu3_print_double(x1, tmp);
38 if (n >= GRISU3_PRINT_MAX) { /* Leave space for zterm. */
39 failed = 1;
40 fprintf(stderr, "%d: fail (%s): print length exceeded max: %d, input: %.17g\n",
41 line, id, n, x1);
42 } else if ((int)strlen(tmp) != n) {
43 failed = 1;
44 fprintf(stderr, "%d: fail (%s): print length does not match strlen of output, input: %.17g, got: %s\n",
45 line, id, x1, tmp);
46 } else if (!isinf(x1)) {
47 /* We do expect print/parse to handle inf. */
48 k = grisu3_parse_double(tmp, n, &v);
49 if (k == 0 || k == tmp) {
50 failed = 1;
51 fprintf(stderr, "%d: fail (%s): roundtrip parse failed "
52 "input: %g, printed value %s\n",
53 line, id, x1, tmp);
54 } else if (x1 != v) {
55 failed = 1;
56 fprintf(stderr, "%d: fail (%s): print/parse roundtrip mismatch for "
57 "input: %.17g, got %.17g\n",
58 line, id, x1, v);
59 }
60 }
61 #endif
62 }
63 *fail += failed;
64 }
65
66 #define CHECK_EQ(v1, v2) check_double((v1), (v2), id, __LINE__, &fail)
67
68 #define StringToVector(f) f
69
70 #define Strtod(f, e) (sprintf(buf, "%se%d", f, e), \
71 grisu3_parse_double(buf, strlen(buf), &v), v)
72
73 #define StrtodChar(f, e) (sprintf(buf, "%se%d", f, e), \
74 grisu3_parse_double(buf, strlen(buf), &v), v)
75
76 #define double_infinity grisu3_double_infinity
77
78 BEGIN_TEST(Strtod)
79 vector = StringToVector("0");
80 CHECK_EQ(0.0, Strtod(vector, 1));
81 CHECK_EQ(0.0, Strtod(vector, 2));
82 CHECK_EQ(0.0, Strtod(vector, -2));
83 CHECK_EQ(0.0, Strtod(vector, -999));
84 CHECK_EQ(0.0, Strtod(vector, +999));
85
86 vector = StringToVector("1");
87 CHECK_EQ(1.0, Strtod(vector, 0));
88 CHECK_EQ(10.0, Strtod(vector, 1));
89 CHECK_EQ(100.0, Strtod(vector, 2));
90 CHECK_EQ(1e20, Strtod(vector, 20));
91 CHECK_EQ(1e22, Strtod(vector, 22));
92 CHECK_EQ(1e23, Strtod(vector, 23));
93
94 CHECK_EQ(1e35, Strtod(vector, 35));
95 CHECK_EQ(1e36, Strtod(vector, 36));
96 CHECK_EQ(1e37, Strtod(vector, 37));
97 CHECK_EQ(1e-1, Strtod(vector, -1));
98 CHECK_EQ(1e-2, Strtod(vector, -2));
99 CHECK_EQ(1e-5, Strtod(vector, -5));
100 CHECK_EQ(1e-20, Strtod(vector, -20));
101 CHECK_EQ(1e-22, Strtod(vector, -22));
102 CHECK_EQ(1e-23, Strtod(vector, -23));
103 CHECK_EQ(1e-25, Strtod(vector, -25));
104 CHECK_EQ(1e-39, Strtod(vector, -39));
105
106 vector = StringToVector("2");
107 CHECK_EQ(2.0, Strtod(vector, 0));
108 CHECK_EQ(20.0, Strtod(vector, 1));
109 CHECK_EQ(200.0, Strtod(vector, 2));
110 CHECK_EQ(2e20, Strtod(vector, 20));
111 CHECK_EQ(2e22, Strtod(vector, 22));
112 CHECK_EQ(2e23, Strtod(vector, 23));
113 CHECK_EQ(2e35, Strtod(vector, 35));
114 CHECK_EQ(2e36, Strtod(vector, 36));
115 CHECK_EQ(2e37, Strtod(vector, 37));
116 CHECK_EQ(2e-1, Strtod(vector, -1));
117 CHECK_EQ(2e-2, Strtod(vector, -2));
118 CHECK_EQ(2e-5, Strtod(vector, -5));
119 CHECK_EQ(2e-20, Strtod(vector, -20));
120 CHECK_EQ(2e-22, Strtod(vector, -22));
121 CHECK_EQ(2e-23, Strtod(vector, -23));
122 CHECK_EQ(2e-25, Strtod(vector, -25));
123 CHECK_EQ(2e-39, Strtod(vector, -39));
124
125 vector = StringToVector("9");
126 CHECK_EQ(9.0, Strtod(vector, 0));
127 CHECK_EQ(90.0, Strtod(vector, 1));
128 CHECK_EQ(900.0, Strtod(vector, 2));
129 CHECK_EQ(9e20, Strtod(vector, 20));
130 CHECK_EQ(9e22, Strtod(vector, 22));
131 CHECK_EQ(9e23, Strtod(vector, 23));
132 CHECK_EQ(9e35, Strtod(vector, 35));
133 CHECK_EQ(9e36, Strtod(vector, 36));
134 CHECK_EQ(9e37, Strtod(vector, 37));
135 CHECK_EQ(9e-1, Strtod(vector, -1));
136 CHECK_EQ(9e-2, Strtod(vector, -2));
137 CHECK_EQ(9e-5, Strtod(vector, -5));
138 CHECK_EQ(9e-20, Strtod(vector, -20));
139 CHECK_EQ(9e-22, Strtod(vector, -22));
140 CHECK_EQ(9e-23, Strtod(vector, -23));
141 CHECK_EQ(9e-25, Strtod(vector, -25));
142 CHECK_EQ(9e-39, Strtod(vector, -39));
143
144 vector = StringToVector("12345");
145 CHECK_EQ(12345.0, Strtod(vector, 0));
146 CHECK_EQ(123450.0, Strtod(vector, 1));
147 CHECK_EQ(1234500.0, Strtod(vector, 2));
148 CHECK_EQ(12345e20, Strtod(vector, 20));
149 CHECK_EQ(12345e22, Strtod(vector, 22));
150 CHECK_EQ(12345e23, Strtod(vector, 23));
151 CHECK_EQ(12345e30, Strtod(vector, 30));
152 CHECK_EQ(12345e31, Strtod(vector, 31));
153 CHECK_EQ(12345e32, Strtod(vector, 32));
154 CHECK_EQ(12345e35, Strtod(vector, 35));
155 CHECK_EQ(12345e36, Strtod(vector, 36));
156 CHECK_EQ(12345e37, Strtod(vector, 37));
157 CHECK_EQ(12345e-1, Strtod(vector, -1));
158 CHECK_EQ(12345e-2, Strtod(vector, -2));
159 CHECK_EQ(12345e-5, Strtod(vector, -5));
160 CHECK_EQ(12345e-20, Strtod(vector, -20));
161 CHECK_EQ(12345e-22, Strtod(vector, -22));
162 CHECK_EQ(12345e-23, Strtod(vector, -23));
163 CHECK_EQ(12345e-25, Strtod(vector, -25));
164 CHECK_EQ(12345e-39, Strtod(vector, -39));
165
166 vector = StringToVector("12345678901234");
167 CHECK_EQ(12345678901234.0, Strtod(vector, 0));
168 CHECK_EQ(123456789012340.0, Strtod(vector, 1));
169 CHECK_EQ(1234567890123400.0, Strtod(vector, 2));
170 CHECK_EQ(12345678901234e20, Strtod(vector, 20));
171 CHECK_EQ(12345678901234e22, Strtod(vector, 22));
172 CHECK_EQ(12345678901234e23, Strtod(vector, 23));
173 CHECK_EQ(12345678901234e30, Strtod(vector, 30));
174 CHECK_EQ(12345678901234e31, Strtod(vector, 31));
175 CHECK_EQ(12345678901234e32, Strtod(vector, 32));
176 CHECK_EQ(12345678901234e35, Strtod(vector, 35));
177 CHECK_EQ(12345678901234e36, Strtod(vector, 36));
178 CHECK_EQ(12345678901234e37, Strtod(vector, 37));
179 CHECK_EQ(12345678901234e-1, Strtod(vector, -1));
180 CHECK_EQ(12345678901234e-2, Strtod(vector, -2));
181 CHECK_EQ(12345678901234e-5, Strtod(vector, -5));
182 CHECK_EQ(12345678901234e-20, Strtod(vector, -20));
183 CHECK_EQ(12345678901234e-22, Strtod(vector, -22));
184 CHECK_EQ(12345678901234e-23, Strtod(vector, -23));
185 CHECK_EQ(12345678901234e-25, Strtod(vector, -25));
186 CHECK_EQ(12345678901234e-39, Strtod(vector, -39));
187
188 vector = StringToVector("123456789012345");
189 CHECK_EQ(123456789012345.0, Strtod(vector, 0));
190 CHECK_EQ(1234567890123450.0, Strtod(vector, 1));
191 CHECK_EQ(12345678901234500.0, Strtod(vector, 2));
192 CHECK_EQ(123456789012345e20, Strtod(vector, 20));
193 CHECK_EQ(123456789012345e22, Strtod(vector, 22));
194 CHECK_EQ(123456789012345e23, Strtod(vector, 23));
195 CHECK_EQ(123456789012345e35, Strtod(vector, 35));
196 CHECK_EQ(123456789012345e36, Strtod(vector, 36));
197 CHECK_EQ(123456789012345e37, Strtod(vector, 37));
198 CHECK_EQ(123456789012345e39, Strtod(vector, 39));
199 CHECK_EQ(123456789012345e-1, Strtod(vector, -1));
200 CHECK_EQ(123456789012345e-2, Strtod(vector, -2));
201 CHECK_EQ(123456789012345e-5, Strtod(vector, -5));
202 CHECK_EQ(123456789012345e-20, Strtod(vector, -20));
203 CHECK_EQ(123456789012345e-22, Strtod(vector, -22));
204 CHECK_EQ(123456789012345e-23, Strtod(vector, -23));
205 CHECK_EQ(123456789012345e-25, Strtod(vector, -25));
206 CHECK_EQ(123456789012345e-39, Strtod(vector, -39));
207 CHECK_EQ(0.0, StrtodChar("0", 12345));
208
209 CHECK_EQ(0.0, StrtodChar("", 1324));
210 CHECK_EQ(0.0, StrtodChar("000000000", 123));
211 CHECK_EQ(0.0, StrtodChar("2", -324));
212 CHECK_EQ(4e-324, StrtodChar("3", -324));
213
214 // It would be more readable to put non-zero literals on the left side (i.e.
215 // CHECK_EQ(1e-325, StrtodChar("1", -325))), but then Gcc complains that
216 // they are truncated to zero.
217 CHECK_EQ(0.0, StrtodChar("1", -325));
218 CHECK_EQ(0.0, StrtodChar("1", -325));
219 CHECK_EQ(0.0, StrtodChar("20000", -328));
220 CHECK_EQ(40000e-328, StrtodChar("30000", -328));
221 CHECK_EQ(0.0, StrtodChar("10000", -329));
222 CHECK_EQ(0.0, StrtodChar("90000", -329));
223 CHECK_EQ(0.0, StrtodChar("000000001", -325));
224 CHECK_EQ(0.0, StrtodChar("000000001", -325));
225 CHECK_EQ(0.0, StrtodChar("0000000020000", -328));
226 CHECK_EQ(40000e-328, StrtodChar("00000030000", -328));
227 CHECK_EQ(0.0, StrtodChar("0000000010000", -329));
228 CHECK_EQ(0.0, StrtodChar("0000000090000", -329));
229
230
231 // It would be more readable to put the literals (and not double_infinity)
232 // on the left side (i.e. CHECK_EQ(1e309, StrtodChar("1", 309))), but then Gcc
233 // complains that the floating constant exceeds range of 'double'.
234
235 CHECK_EQ(double_infinity, StrtodChar("1", 309));
236
237 CHECK_EQ(1e308, StrtodChar("1", 308));
238 CHECK_EQ(1234e305, StrtodChar("1234", 305));
239 CHECK_EQ(1234e304, StrtodChar("1234", 304));
240
241 CHECK_EQ(double_infinity, StrtodChar("18", 307));
242 CHECK_EQ(17e307, StrtodChar("17", 307));
243
244 CHECK_EQ(double_infinity, StrtodChar("0000001", 309));
245
246 CHECK_EQ(1e308, StrtodChar("00000001", 308));
247
248 CHECK_EQ(1234e305, StrtodChar("00000001234", 305));
249 CHECK_EQ(1234e304, StrtodChar("000000001234", 304));
250 CHECK_EQ(double_infinity, StrtodChar("0000000018", 307));
251 CHECK_EQ(17e307, StrtodChar("0000000017", 307));
252 CHECK_EQ(double_infinity, StrtodChar("1000000", 303));
253 CHECK_EQ(1e308, StrtodChar("100000", 303));
254 CHECK_EQ(1234e305, StrtodChar("123400000", 300));
255 CHECK_EQ(1234e304, StrtodChar("123400000", 299));
256 CHECK_EQ(double_infinity, StrtodChar("180000000", 300));
257 CHECK_EQ(17e307, StrtodChar("170000000", 300));
258 CHECK_EQ(double_infinity, StrtodChar("00000001000000", 303));
259 CHECK_EQ(1e308, StrtodChar("000000000000100000", 303));
260 CHECK_EQ(1234e305, StrtodChar("00000000123400000", 300));
261 CHECK_EQ(1234e304, StrtodChar("0000000123400000", 299));
262 CHECK_EQ(double_infinity, StrtodChar("00000000180000000", 300));
263 CHECK_EQ(17e307, StrtodChar("00000000170000000", 300));
264 CHECK_EQ(1.7976931348623157E+308, StrtodChar("17976931348623157", 292));
265 CHECK_EQ(1.7976931348623158E+308, StrtodChar("17976931348623158", 292));
266 CHECK_EQ(double_infinity, StrtodChar("17976931348623159", 292));
267
268 // The following number is the result of 89255.0/1e-22. Both floating-point
269 // numbers can be accurately represented with doubles. However on Linux,x86
270 // the floating-point stack is set to 80bits and the double-rounding
271 // introduces an error.
272 CHECK_EQ(89255e-22, StrtodChar("89255", -22));
273
274 // Some random values.
275 CHECK_EQ(358416272e-33, StrtodChar("358416272", -33));
276 CHECK_EQ(104110013277974872254e-225,
277 StrtodChar("104110013277974872254", -225));
278
279 CHECK_EQ(123456789e108, StrtodChar("123456789", 108));
280 CHECK_EQ(123456789e109, StrtodChar("123456789", 109));
281 CHECK_EQ(123456789e110, StrtodChar("123456789", 110));
282 CHECK_EQ(123456789e111, StrtodChar("123456789", 111));
283 CHECK_EQ(123456789e112, StrtodChar("123456789", 112));
284 CHECK_EQ(123456789e113, StrtodChar("123456789", 113));
285 CHECK_EQ(123456789e114, StrtodChar("123456789", 114));
286 CHECK_EQ(123456789e115, StrtodChar("123456789", 115));
287
288 CHECK_EQ(1234567890123456789012345e108,
289 StrtodChar("1234567890123456789012345", 108));
290 CHECK_EQ(1234567890123456789012345e109,
291 StrtodChar("1234567890123456789012345", 109));
292 CHECK_EQ(1234567890123456789012345e110,
293 StrtodChar("1234567890123456789012345", 110));
294 CHECK_EQ(1234567890123456789012345e111,
295 StrtodChar("1234567890123456789012345", 111));
296 CHECK_EQ(1234567890123456789012345e112,
297 StrtodChar("1234567890123456789012345", 112));
298 CHECK_EQ(1234567890123456789012345e113,
299 StrtodChar("1234567890123456789012345", 113));
300 CHECK_EQ(1234567890123456789012345e114,
301 StrtodChar("1234567890123456789012345", 114));
302 CHECK_EQ(1234567890123456789012345e115,
303 StrtodChar("1234567890123456789012345", 115));
304 CHECK_EQ(1234567890123456789052345e108,
305 StrtodChar("1234567890123456789052345", 108));
306 CHECK_EQ(1234567890123456789052345e109,
307 StrtodChar("1234567890123456789052345", 109));
308 CHECK_EQ(1234567890123456789052345e110,
309 StrtodChar("1234567890123456789052345", 110));
310 CHECK_EQ(1234567890123456789052345e111,
311 StrtodChar("1234567890123456789052345", 111));
312 CHECK_EQ(1234567890123456789052345e112,
313 StrtodChar("1234567890123456789052345", 112));
314 CHECK_EQ(1234567890123456789052345e113,
315 StrtodChar("1234567890123456789052345", 113));
316 CHECK_EQ(1234567890123456789052345e114,
317 StrtodChar("1234567890123456789052345", 114));
318 CHECK_EQ(1234567890123456789052345e115,
319 StrtodChar("1234567890123456789052345", 115));
320 CHECK_EQ(5.445618932859895e-255,
321 StrtodChar("5445618932859895362967233318697132813618813095743952975"
322 "4392982234069699615600475529427176366709107287468930197"
323 "8628345413991790019316974825934906752493984055268219809"
324 "5012176093045431437495773903922425632551857520884625114"
325 "6241265881735209066709685420744388526014389929047617597"
326 "0302268848374508109029268898695825171158085457567481507"
327 "4162979705098246243690189880319928315307816832576838178"
328 "2563074014542859888710209237525873301724479666744537857"
329 "9026553346649664045621387124193095870305991178772256504"
330 "4368663670643970181259143319016472430928902201239474588"
331 "1392338901353291306607057623202353588698746085415097902"
332 "6640064319118728664842287477491068264828851624402189317"
333 "2769161449825765517353755844373640588822904791244190695"
334 "2998382932630754670573838138825217065450843010498555058"
335 "88186560731", -1035));
336
337 // Boundary cases. Boundaries themselves should round to even.
338 //
339 // 0x1FFFFFFFFFFFF * 2^3 = 72057594037927928
340 // next: 72057594037927936
341 // boundary: 72057594037927932 should round up.
342 CHECK_EQ(72057594037927928.0, StrtodChar("72057594037927928", 0));
343 CHECK_EQ(72057594037927936.0, StrtodChar("72057594037927936", 0));
344 CHECK_EQ(72057594037927936.0, StrtodChar("72057594037927932", 0));
345 CHECK_EQ(72057594037927928.0, StrtodChar("7205759403792793199999", -5));
346 CHECK_EQ(72057594037927936.0, StrtodChar("7205759403792793200001", -5));
347
348 // 0x1FFFFFFFFFFFF * 2^10 = 9223372036854774784
349 // next: 9223372036854775808
350 // boundary: 9223372036854775296 should round up.
351 CHECK_EQ(9223372036854774784.0, StrtodChar("9223372036854774784", 0));
352 CHECK_EQ(9223372036854775808.0, StrtodChar("9223372036854775808", 0));
353 CHECK_EQ(9223372036854775808.0, StrtodChar("9223372036854775296", 0));
354
355 CHECK_EQ(9223372036854774784.0, StrtodChar("922337203685477529599999", -5));
356 CHECK_EQ(9223372036854775808.0, StrtodChar("922337203685477529600001", -5));
357
358 // 0x1FFFFFFFFFFFF * 2^50 = 10141204801825834086073718800384
359 // next: 10141204801825835211973625643008
360 // boundary: 10141204801825834649023672221696 should round up.
361 //
362 CHECK_EQ(10141204801825834086073718800384.0,
363 StrtodChar("10141204801825834086073718800384", 0));
364 CHECK_EQ(10141204801825835211973625643008.0,
365 StrtodChar("10141204801825835211973625643008", 0));
366 CHECK_EQ(10141204801825835211973625643008.0,
367 StrtodChar("10141204801825834649023672221696", 0));
368 CHECK_EQ(10141204801825834086073718800384.0,
369 StrtodChar("1014120480182583464902367222169599999", -5));
370 CHECK_EQ(10141204801825835211973625643008.0,
371 StrtodChar("1014120480182583464902367222169600001", -5));
372 // 0x1FFFFFFFFFFFF * 2^99 = 5708990770823838890407843763683279797179383808
373 // next: 5708990770823839524233143877797980545530986496
374 // boundary: 5708990770823839207320493820740630171355185152
375 // The boundary should round up.
376 CHECK_EQ(5708990770823838890407843763683279797179383808.0,
377 StrtodChar("5708990770823838890407843763683279797179383808", 0));
378 CHECK_EQ(5708990770823839524233143877797980545530986496.0,
379 StrtodChar("5708990770823839524233143877797980545530986496", 0));
380 CHECK_EQ(5708990770823839524233143877797980545530986496.0,
381 StrtodChar("5708990770823839207320493820740630171355185152", 0));
382 CHECK_EQ(5708990770823838890407843763683279797179383808.0,
383 StrtodChar("5708990770823839207320493820740630171355185151999", -3));
384 CHECK_EQ(5708990770823839524233143877797980545530986496.0,
385 StrtodChar("5708990770823839207320493820740630171355185152001", -3));
386
387 // The following test-cases got some public attention in early 2011 when they
388 // sent Java and PHP into an infinite loop.
389 CHECK_EQ(2.225073858507201e-308, StrtodChar("22250738585072011", -324));
390 CHECK_EQ(2.22507385850720138309e-308,
391 StrtodChar("22250738585072011360574097967091319759348195463516456480"
392 "23426109724822222021076945516529523908135087914149158913"
393 "03962110687008643869459464552765720740782062174337998814"
394 "10632673292535522868813721490129811224514518898490572223"
395 "07285255133155755015914397476397983411801999323962548289"
396 "01710708185069063066665599493827577257201576306269066333"
397 "26475653000092458883164330377797918696120494973903778297"
398 "04905051080609940730262937128958950003583799967207254304"
399 "36028407889577179615094551674824347103070260914462157228"
400 "98802581825451803257070188608721131280795122334262883686"
401 "22321503775666622503982534335974568884423900265498198385"
402 "48794829220689472168983109969836584681402285424333066033"
403 "98508864458040010349339704275671864433837704860378616227"
404 "71738545623065874679014086723327636718751", -1076));
405 END_TEST()
406
407
408 /* Non-google test */
409 BEGIN_TEST(grisu3_print_double)
410 vector = "13";
411 CHECK_EQ(13e-2, Strtod(vector, -2));
412 CHECK_EQ(13e-3, Strtod(vector, -3));
413
414 vector = "-13";
415 CHECK_EQ(-13e-2, Strtod(vector, -2));
416 CHECK_EQ(-13e-3, Strtod(vector, -3));
417 vector = "-1";
418 CHECK_EQ(-1e-2, Strtod(vector, -2));
419 CHECK_EQ(-1e-3, Strtod(vector, -3));
420
421 CHECK_EQ(-1e1, StrtodChar("-1", 1));
422 CHECK_EQ(-1e+1, StrtodChar("-1", 1));
423 CHECK_EQ(-1e-0, StrtodChar("-1", -0));
424 CHECK_EQ(-1e-1, StrtodChar("-1", -1));
425 CHECK_EQ(-1e-2, StrtodChar("-1", -2));
426 CHECK_EQ(-1e-3, StrtodChar("-1", -3));
427 CHECK_EQ(-1e-4, StrtodChar("-1", -4));
428
429 CHECK_EQ(-12e1, StrtodChar("-12", 1));
430 CHECK_EQ(-12e+1, StrtodChar("-12", 1));
431 CHECK_EQ(-12e-0, StrtodChar("-12", -0));
432 CHECK_EQ(-12e-1, StrtodChar("-12", -1));
433 CHECK_EQ(-12e-2, StrtodChar("-12", -2));
434 CHECK_EQ(-12e-3, StrtodChar("-12", -3));
435 CHECK_EQ(-12e-4, StrtodChar("-12", -4));
436
437 CHECK_EQ(-123e1, StrtodChar("-123", 1));
438 CHECK_EQ(-123e+1, StrtodChar("-123", 1));
439 CHECK_EQ(-123e-0, StrtodChar("-123", -0));
440 CHECK_EQ(-123e-1, StrtodChar("-123", -1));
441 CHECK_EQ(-123e-2, StrtodChar("-123", -2));
442 CHECK_EQ(-123e-3, StrtodChar("-123", -3));
443 CHECK_EQ(-123e-4, StrtodChar("-123", -4));
444
445 CHECK_EQ(-1234e1, StrtodChar("-1234", 1));
446 CHECK_EQ(-1234e+1, StrtodChar("-1234", 1));
447 CHECK_EQ(-1234e-0, StrtodChar("-1234", -0));
448 CHECK_EQ(-1234e-1, StrtodChar("-1234", -1));
449 CHECK_EQ(-1234e-2, StrtodChar("-1234", -2));
450 CHECK_EQ(-1234e-3, StrtodChar("-1234", -3));
451 CHECK_EQ(-1234e-4, StrtodChar("-1234", -4));
452
453 CHECK_EQ(-12345e1, StrtodChar("-12345", 1));
454 CHECK_EQ(-12345e+1, StrtodChar("-12345", 1));
455 CHECK_EQ(-12345e-0, StrtodChar("-12345", -0));
456 CHECK_EQ(-12345e-1, StrtodChar("-12345", -1));
457 CHECK_EQ(-12345e-2, StrtodChar("-12345", -2));
458 CHECK_EQ(-12345e-3, StrtodChar("-12345", -3));
459 CHECK_EQ(-12345e-4, StrtodChar("-12345", -4));
460
461 CHECK_EQ(-12345e-5, StrtodChar("-12345", -5));
462 CHECK_EQ(-12345e-6, StrtodChar("-12345", -6));
463 CHECK_EQ(-12345e-7, StrtodChar("-12345", -7));
464 CHECK_EQ(-12345e-8, StrtodChar("-12345", -8));
465 CHECK_EQ(-12345e-9, StrtodChar("-12345", -9));
466 CHECK_EQ(-12345e-10, StrtodChar("-12345", -10));
END_TEST()467 END_TEST()
468
469 int main()
470 {
471 int fail = 0;
472
473 fail += test_Strtod();
474 fail += test_grisu3_print_double();
475
476 if (fail) {
477 fprintf(stderr, "FAILURE\n");
478 return -1;
479 }
480 fprintf(stderr, "SUCCESS\n");
481 return 0;
482 }
483