1 /*	$NetBSD: systfloat.h,v 1.3 2002/02/21 07:38:17 itojun Exp $	*/
2 
3 /* This is a derivative work. */
4 
5 /*-
6  * Copyright (c) 2001 The NetBSD Foundation, Inc.
7  * All rights reserved.
8  *
9  * This code is derived from software contributed to The NetBSD Foundation
10  * by Ross Harvey.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *        This product includes software developed by the NetBSD
23  *        Foundation, Inc. and its contributors.
24  * 4. Neither the name of The NetBSD Foundation nor the names of its
25  *    contributors may be used to endorse or promote products derived
26  *    from this software without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38  * POSSIBILITY OF SUCH DAMAGE.
39  */
40 
41 /*
42 ===============================================================================
43 
44 This C header file is part of TestFloat, Release 2a, a package of programs
45 for testing the correctness of floating-point arithmetic complying to the
46 IEC/IEEE Standard for Floating-Point.
47 
48 Written by John R. Hauser.  More information is available through the Web
49 page `http://HTTP.CS.Berkeley.EDU/~jhauser/arithmetic/TestFloat.html'.
50 
51 THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort
52 has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
53 TIMES RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO
54 PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
55 AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
56 
57 Derivative works are acceptable, even for commercial purposes, so long as
58 (1) they include prominent notice that the work is derivative, and (2) they
59 include prominent notice akin to these four paragraphs for those parts of
60 this code that are retained.
61 
62 ===============================================================================
63 */
64 
65 /*
66 -------------------------------------------------------------------------------
67 The following macros are defined to indicate that the corresponding
68 functions exist.
69 -------------------------------------------------------------------------------
70 */
71 #define SYST_INT32_TO_FLOAT32
72 #define SYST_INT32_TO_FLOAT64
73 #ifdef BITS64
74 #define SYST_INT64_TO_FLOAT32
75 #define SYST_INT64_TO_FLOAT64
76 #endif
77 #define SYST_FLOAT32_TO_INT32_ROUND_TO_ZERO
78 #ifdef BITS64
79 #define SYST_FLOAT32_TO_INT64_ROUND_TO_ZERO
80 #endif
81 #define SYST_FLOAT32_TO_FLOAT64
82 #define SYST_FLOAT32_ADD
83 #define SYST_FLOAT32_SUB
84 #define SYST_FLOAT32_MUL
85 #define SYST_FLOAT32_DIV
86 #define SYST_FLOAT32_EQ
87 #define SYST_FLOAT32_LE
88 #define SYST_FLOAT32_LT
89 #define SYST_FLOAT64_TO_INT32_ROUND_TO_ZERO
90 #ifdef BITS64
91 #define SYST_FLOAT64_TO_INT64_ROUND_TO_ZERO
92 #endif
93 #define SYST_FLOAT64_TO_FLOAT32
94 #define SYST_FLOAT64_ADD
95 #define SYST_FLOAT64_SUB
96 #define SYST_FLOAT64_MUL
97 #define SYST_FLOAT64_DIV
98 #define SYST_FLOAT64_SQRT
99 #define SYST_FLOAT64_EQ
100 #define SYST_FLOAT64_LE
101 #define SYST_FLOAT64_LT
102 #if defined( FLOATX80 )
103 #define SYST_INT32_TO_FLOATX80
104 #ifdef BITS64
105 #define SYST_INT64_TO_FLOATX80
106 #endif
107 #define SYST_FLOAT32_TO_FLOATX80
108 #define SYST_FLOAT64_TO_FLOATX80
109 #define SYST_FLOATX80_TO_INT32_ROUND_TO_ZERO
110 #ifdef BITS64
111 #define SYST_FLOATX80_TO_INT64_ROUND_TO_ZERO
112 #endif
113 #define SYST_FLOATX80_TO_FLOAT32
114 #define SYST_FLOATX80_TO_FLOAT64
115 #define SYST_FLOATX80_ADD
116 #define SYST_FLOATX80_SUB
117 #define SYST_FLOATX80_MUL
118 #define SYST_FLOATX80_DIV
119 #define SYST_FLOATX80_EQ
120 #define SYST_FLOATX80_LE
121 #define SYST_FLOATX80_LT
122 #endif
123 #if defined( FLOAT128 ) && defined( LONG_DOUBLE_IS_FLOAT128 )
124 #define SYST_INT32_TO_FLOAT128
125 #ifdef BITS64
126 #define SYST_INT64_TO_FLOAT128
127 #endif
128 #define SYST_FLOAT32_TO_FLOAT128
129 #define SYST_FLOAT64_TO_FLOAT128
130 #define SYST_FLOAT128_TO_INT32_ROUND_TO_ZERO
131 #ifdef BITS64
132 #define SYST_FLOAT128_TO_INT64_ROUND_TO_ZERO
133 #endif
134 #define SYST_FLOAT128_TO_FLOAT32
135 #define SYST_FLOAT128_TO_FLOAT64
136 #define SYST_FLOAT128_ADD
137 #define SYST_FLOAT128_SUB
138 #define SYST_FLOAT128_MUL
139 #define SYST_FLOAT128_DIV
140 #define SYST_FLOAT128_EQ
141 #define SYST_FLOAT128_LE
142 #define SYST_FLOAT128_LT
143 #endif
144 
145 /*
146 -------------------------------------------------------------------------------
147 System function declarations.  (Some of these functions may not exist.)
148 -------------------------------------------------------------------------------
149 */
150 float32 syst_int32_to_float32( int32 );
151 float64 syst_int32_to_float64( int32 );
152 #ifdef FLOATX80
153 floatx80 syst_int32_to_floatx80( int32 );
154 #endif
155 #ifdef FLOAT128
156 float128 syst_int32_to_float128( int32 );
157 #endif
158 #ifdef BITS64
159 float32 syst_int64_to_float32( int64 );
160 float64 syst_int64_to_float64( int64 );
161 #ifdef FLOATX80
162 floatx80 syst_int64_to_floatx80( int64 );
163 #endif
164 #ifdef FLOAT128
165 float128 syst_int64_to_float128( int64 );
166 #endif
167 #endif
168 int32 syst_float32_to_int32( float32 );
169 int32 syst_float32_to_int32_round_to_zero( float32 );
170 #ifdef BITS64
171 int64 syst_float32_to_int64( float32 );
172 int64 syst_float32_to_int64_round_to_zero( float32 );
173 #endif
174 float64 syst_float32_to_float64( float32 );
175 #ifdef FLOATX80
176 floatx80 syst_float32_to_floatx80( float32 );
177 #endif
178 #ifdef FLOAT128
179 float128 syst_float32_to_float128( float32 );
180 #endif
181 float32 syst_float32_round_to_int( float32 );
182 float32 syst_float32_add( float32, float32 );
183 float32 syst_float32_sub( float32, float32 );
184 float32 syst_float32_mul( float32, float32 );
185 float32 syst_float32_div( float32, float32 );
186 float32 syst_float32_rem( float32, float32 );
187 float32 syst_float32_sqrt( float32 );
188 flag syst_float32_eq( float32, float32 );
189 flag syst_float32_le( float32, float32 );
190 flag syst_float32_lt( float32, float32 );
191 flag syst_float32_eq_signaling( float32, float32 );
192 flag syst_float32_le_quiet( float32, float32 );
193 flag syst_float32_lt_quiet( float32, float32 );
194 int32 syst_float64_to_int32( float64 );
195 int32 syst_float64_to_int32_round_to_zero( float64 );
196 #ifdef BITS64
197 int64 syst_float64_to_int64( float64 );
198 int64 syst_float64_to_int64_round_to_zero( float64 );
199 #endif
200 float32 syst_float64_to_float32( float64 );
201 #ifdef FLOATX80
202 floatx80 syst_float64_to_floatx80( float64 );
203 #endif
204 #ifdef FLOAT128
205 float128 syst_float64_to_float128( float64 );
206 #endif
207 float64 syst_float64_round_to_int( float64 );
208 float64 syst_float64_add( float64, float64 );
209 float64 syst_float64_sub( float64, float64 );
210 float64 syst_float64_mul( float64, float64 );
211 float64 syst_float64_div( float64, float64 );
212 float64 syst_float64_rem( float64, float64 );
213 float64 syst_float64_sqrt( float64 );
214 flag syst_float64_eq( float64, float64 );
215 flag syst_float64_le( float64, float64 );
216 flag syst_float64_lt( float64, float64 );
217 flag syst_float64_eq_signaling( float64, float64 );
218 flag syst_float64_le_quiet( float64, float64 );
219 flag syst_float64_lt_quiet( float64, float64 );
220 #ifdef FLOATX80
221 int32 syst_floatx80_to_int32( floatx80 );
222 int32 syst_floatx80_to_int32_round_to_zero( floatx80 );
223 #ifdef BITS64
224 int64 syst_floatx80_to_int64( floatx80 );
225 int64 syst_floatx80_to_int64_round_to_zero( floatx80 );
226 #endif
227 float32 syst_floatx80_to_float32( floatx80 );
228 float64 syst_floatx80_to_float64( floatx80 );
229 #ifdef FLOAT128
230 float128 syst_floatx80_to_float128( floatx80 );
231 #endif
232 floatx80 syst_floatx80_round_to_int( floatx80 );
233 floatx80 syst_floatx80_add( floatx80, floatx80 );
234 floatx80 syst_floatx80_sub( floatx80, floatx80 );
235 floatx80 syst_floatx80_mul( floatx80, floatx80 );
236 floatx80 syst_floatx80_div( floatx80, floatx80 );
237 floatx80 syst_floatx80_rem( floatx80, floatx80 );
238 floatx80 syst_floatx80_sqrt( floatx80 );
239 flag syst_floatx80_eq( floatx80, floatx80 );
240 flag syst_floatx80_le( floatx80, floatx80 );
241 flag syst_floatx80_lt( floatx80, floatx80 );
242 flag syst_floatx80_eq_signaling( floatx80, floatx80 );
243 flag syst_floatx80_le_quiet( floatx80, floatx80 );
244 flag syst_floatx80_lt_quiet( floatx80, floatx80 );
245 #endif
246 #ifdef FLOAT128
247 int32 syst_float128_to_int32( float128 );
248 int32 syst_float128_to_int32_round_to_zero( float128 );
249 #ifdef BITS64
250 int64 syst_float128_to_int64( float128 );
251 int64 syst_float128_to_int64_round_to_zero( float128 );
252 #endif
253 float32 syst_float128_to_float32( float128 );
254 float64 syst_float128_to_float64( float128 );
255 #ifdef FLOATX80
256 floatx80 syst_float128_to_floatx80( float128 );
257 #endif
258 float128 syst_float128_round_to_int( float128 );
259 float128 syst_float128_add( float128, float128 );
260 float128 syst_float128_sub( float128, float128 );
261 float128 syst_float128_mul( float128, float128 );
262 float128 syst_float128_div( float128, float128 );
263 float128 syst_float128_rem( float128, float128 );
264 float128 syst_float128_sqrt( float128 );
265 flag syst_float128_eq( float128, float128 );
266 flag syst_float128_le( float128, float128 );
267 flag syst_float128_lt( float128, float128 );
268 flag syst_float128_eq_signaling( float128, float128 );
269 flag syst_float128_le_quiet( float128, float128 );
270 flag syst_float128_lt_quiet( float128, float128 );
271 #endif
272 
273