source: mainline/uspace/lib/softfloat/comparison.h@ 565aaff

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 565aaff was c0c38c7c, checked in by Martin Decky <martin@…>, 10 years ago

software floating point overhaul
use proper type mapping
fix cosine calculation
  • Property mode set to 100644
File size: 4.7 KB
Line 
1/*
2 * Copyright (c) 2005 Josef Cejka
3 * Copyright (c) 2011 Petr Koupy
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * - Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * - Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * - The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30/** @addtogroup softfloat
31 * @{
32 */
33/** @file Comparison functions.
34 */
35
36#ifndef __COMPARISON_H__
37#define __COMPARISON_H__
38
39#include <mathtypes.h>
40
41extern int is_float32_nan(float32);
42extern int is_float32_signan(float32);
43
44extern int is_float32_infinity(float32);
45extern int is_float32_zero(float32);
46
47extern int is_float32_eq(float32, float32);
48extern int is_float32_lt(float32, float32);
49extern int is_float32_gt(float32, float32);
50
51extern int is_float64_nan(float64);
52extern int is_float64_signan(float64);
53
54extern int is_float64_infinity(float64);
55extern int is_float64_zero(float64);
56
57extern int is_float64_eq(float64, float64);
58extern int is_float64_lt(float64, float64);
59extern int is_float64_gt(float64, float64);
60
61extern int is_float96_nan(float96);
62extern int is_float96_signan(float96);
63
64extern int is_float96_infinity(float96);
65extern int is_float96_zero(float96);
66
67extern int is_float96_eq(float96, float96);
68extern int is_float96_lt(float96, float96);
69extern int is_float96_gt(float96, float96);
70
71extern int is_float128_nan(float128);
72extern int is_float128_signan(float128);
73
74extern int is_float128_infinity(float128);
75extern int is_float128_zero(float128);
76
77extern int is_float128_eq(float128, float128);
78extern int is_float128_lt(float128, float128);
79extern int is_float128_gt(float128, float128);
80
81#ifdef float32_t
82extern int __gtsf2(float32_t, float32_t);
83extern int __gesf2(float32_t, float32_t);
84extern int __ltsf2(float32_t, float32_t);
85extern int __lesf2(float32_t, float32_t);
86extern int __eqsf2(float32_t, float32_t);
87extern int __nesf2(float32_t, float32_t);
88extern int __cmpsf2(float32_t, float32_t);
89extern int __unordsf2(float32_t, float32_t);
90extern int __aeabi_fcmpgt(float32_t, float32_t);
91extern int __aeabi_fcmplt(float32_t, float32_t);
92extern int __aeabi_fcmpge(float32_t, float32_t);
93extern int __aeabi_fcmpeq(float32_t, float32_t);
94#endif
95
96#ifdef float64_t
97extern int __gtdf2(float64_t, float64_t);
98extern int __gedf2(float64_t, float64_t);
99extern int __ltdf2(float64_t, float64_t);
100extern int __ledf2(float64_t, float64_t);
101extern int __eqdf2(float64_t, float64_t);
102extern int __nedf2(float64_t, float64_t);
103extern int __cmpdf2(float64_t, float64_t);
104extern int __unorddf2(float64_t, float64_t);
105extern int __aeabi_dcmplt(float64_t, float64_t);
106extern int __aeabi_dcmpeq(float64_t, float64_t);
107extern int __aeabi_dcmpgt(float64_t, float64_t);
108extern int __aeabi_dcmpge(float64_t, float64_t);
109extern int __aeabi_dcmple(float64_t, float64_t);
110#endif
111
112#ifdef float128_t
113extern int __gttf2(float128_t, float128_t);
114extern int __getf2(float128_t, float128_t);
115extern int __lttf2(float128_t, float128_t);
116extern int __letf2(float128_t, float128_t);
117extern int __eqtf2(float128_t, float128_t);
118extern int __netf2(float128_t, float128_t);
119extern int __cmptf2(float128_t, float128_t);
120extern int __unordtf2(float128_t, float128_t);
121extern int _Qp_cmp(float128_t *, float128_t *);
122extern int _Qp_cmpe(float128_t *, float128_t *);
123extern int _Qp_fgt(float128_t *, float128_t *);
124extern int _Qp_fge(float128_t *, float128_t *);
125extern int _Qp_flt(float128_t *, float128_t *);
126extern int _Qp_fle(float128_t *, float128_t *);
127extern int _Qp_feq(float128_t *, float128_t *);
128extern int _Qp_fne(float128_t *, float128_t *);
129
130#endif
131
132#endif
133
134/** @}
135 */
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