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quadmath.h (__quadmath_throw, [...]): Define.
[thirdparty/gcc.git] / libquadmath / quadmath.h
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545a5cb6
TB		 1/* GCC Quad-Precision Math Library
2 Copyright (C) 2010 Free Software Foundation, Inc.
3 Written by Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4
5This file is part of the libiberty library.
6Libiberty is free software; you can redistribute it and/or
7modify it under the terms of the GNU Library General Public
8License as published by the Free Software Foundation; either
9version 2 of the License, or (at your option) any later version.
10
11Libiberty is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14Library General Public License for more details.
15
16You should have received a copy of the GNU Library General Public
17License along with libiberty; see the file COPYING.LIB. If
18not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
19Boston, MA 02110-1301, USA. */
20
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FXC		 21#ifndef QUADMATH_H
22#define QUADMATH_H
23
24#include <stdlib.h>
25
26// Define the complex type corresponding to __float128
27// ("_Complex __float128" is not allowed)
28typedef _Complex float __attribute__((mode(TC))) __complex128;
29
327f73c1
JJ		 30#ifdef __cplusplus
31# define __quadmath_throw throw ()
32# define __quadmath_nth(fct) fct throw ()
33#else
34# define __quadmath_throw __attribute__((__nothrow__))
35# define __quadmath_nth(fct) __attribute__((__nothrow__)) fct
36#endif
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FXC		 37
38// Prototypes for real functions
327f73c1
JJ		 39extern __float128 acosq (__float128) __quadmath_throw;
40extern __float128 acoshq (__float128) __quadmath_throw;
41extern __float128 asinq (__float128) __quadmath_throw;
42extern __float128 asinhq (__float128) __quadmath_throw;
43extern __float128 atanq (__float128) __quadmath_throw;
44extern __float128 atanhq (__float128) __quadmath_throw;
45extern __float128 atan2q (__float128, __float128) __quadmath_throw;
46extern __float128 cbrtq (__float128) __quadmath_throw;
47extern __float128 ceilq (__float128) __quadmath_throw;
48extern __float128 copysignq (__float128, __float128) __quadmath_throw;
49extern __float128 coshq (__float128) __quadmath_throw;
50extern __float128 cosq (__float128) __quadmath_throw;
51extern __float128 erfq (__float128) __quadmath_throw;
52extern __float128 erfcq (__float128) __quadmath_throw;
53extern __float128 expq (__float128) __quadmath_throw;
54extern __float128 expm1q (__float128) __quadmath_throw;
55extern __float128 fabsq (__float128) __quadmath_throw;
56extern __float128 fdimq (__float128, __float128) __quadmath_throw;
57extern int finiteq (__float128) __quadmath_throw;
58extern __float128 floorq (__float128) __quadmath_throw;
59extern __float128 fmaq (__float128, __float128, __float128) __quadmath_throw;
60extern __float128 fmaxq (__float128, __float128) __quadmath_throw;
61extern __float128 fminq (__float128, __float128) __quadmath_throw;
62extern __float128 fmodq (__float128, __float128) __quadmath_throw;
63extern __float128 frexpq (__float128, int *) __quadmath_throw;
64extern __float128 hypotq (__float128, __float128) __quadmath_throw;
65extern int isinfq (__float128) __quadmath_throw;
66extern int ilogbq (__float128) __quadmath_throw;
67extern int isnanq (__float128) __quadmath_throw;
68extern __float128 j0q (__float128) __quadmath_throw;
69extern __float128 j1q (__float128) __quadmath_throw;
70extern __float128 jnq (int, __float128) __quadmath_throw;
71extern __float128 ldexpq (__float128, int) __quadmath_throw;
72extern __float128 lgammaq (__float128) __quadmath_throw;
73extern long long int llrintq (__float128) __quadmath_throw;
74extern long long int llroundq (__float128) __quadmath_throw;
75extern __float128 logq (__float128) __quadmath_throw;
76extern __float128 log10q (__float128) __quadmath_throw;
77extern __float128 log2q (__float128) __quadmath_throw;
78extern __float128 log1pq (__float128) __quadmath_throw;
79extern long int lrintq (__float128) __quadmath_throw;
80extern long int lroundq (__float128) __quadmath_throw;
81extern __float128 modfq (__float128, __float128 *) __quadmath_throw;
82extern __float128 nanq (const char *) __quadmath_throw;
83extern __float128 nearbyintq (__float128) __quadmath_throw;
84extern __float128 nextafterq (__float128, __float128) __quadmath_throw;
85extern __float128 powq (__float128, __float128) __quadmath_throw;
86extern __float128 remainderq (__float128, __float128) __quadmath_throw;
87extern __float128 remquoq (__float128, __float128, int *) __quadmath_throw;
88extern __float128 rintq (__float128) __quadmath_throw;
89extern __float128 roundq (__float128) __quadmath_throw;
90extern __float128 scalblnq (__float128, long int) __quadmath_throw;
91extern __float128 scalbnq (__float128, int) __quadmath_throw;
92extern int signbitq (__float128) __quadmath_throw;
93extern void sincosq (__float128, __float128 *, __float128 *) __quadmath_throw;
94extern __float128 sinhq (__float128) __quadmath_throw;
95extern __float128 sinq (__float128) __quadmath_throw;
96extern __float128 sqrtq (__float128) __quadmath_throw;
97extern __float128 tanq (__float128) __quadmath_throw;
98extern __float128 tanhq (__float128) __quadmath_throw;
99extern __float128 tgammaq (__float128) __quadmath_throw;
100extern __float128 truncq (__float128) __quadmath_throw;
101extern __float128 y0q (__float128) __quadmath_throw;
102extern __float128 y1q (__float128) __quadmath_throw;
103extern __float128 ynq (int, __float128) __quadmath_throw;
1ec601bf
FXC		 104
105
106// Prototypes for complex functions
327f73c1
JJ		 107extern __float128 cabsq (__complex128) __quadmath_throw;
108extern __float128 cargq (__complex128) __quadmath_throw;
109extern __float128 cimagq (__complex128) __quadmath_throw;
110extern __float128 crealq (__complex128) __quadmath_throw;
111extern __complex128 cacosq (__complex128) __quadmath_throw;
112extern __complex128 cacoshq (__complex128) __quadmath_throw;
113extern __complex128 casinq (__complex128) __quadmath_throw;
114extern __complex128 casinhq (__complex128) __quadmath_throw;
115extern __complex128 catanq (__complex128) __quadmath_throw;
116extern __complex128 catanhq (__complex128) __quadmath_throw;
117extern __complex128 ccosq (__complex128) __quadmath_throw;
118extern __complex128 ccoshq (__complex128) __quadmath_throw;
119extern __complex128 cexpq (__complex128) __quadmath_throw;
120extern __complex128 cexpiq (__float128) __quadmath_throw;
121extern __complex128 clogq (__complex128) __quadmath_throw;
122extern __complex128 clog10q (__complex128) __quadmath_throw;
123extern __complex128 conjq (__complex128) __quadmath_throw;
124extern __complex128 cpowq (__complex128, __complex128) __quadmath_throw;
125extern __complex128 cprojq (__complex128) __quadmath_throw;
126extern __complex128 csinq (__complex128) __quadmath_throw;
127extern __complex128 csinhq (__complex128) __quadmath_throw;
128extern __complex128 csqrtq (__complex128) __quadmath_throw;
129extern __complex128 ctanq (__complex128) __quadmath_throw;
130extern __complex128 ctanhq (__complex128) __quadmath_throw;
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FXC		 131
132
133// Prototypes for our I/O functions
327f73c1
JJ		 134extern int quadmath_strtopQ (const char *, char **, void *) __quadmath_throw;
135extern void quadmath_dtoaq (char *, size_t, size_t, __float128)
136 __quadmath_throw;
1ec601bf
FXC		 137
138
139// Macros
140#define FLT128_MAX 1.18973149535723176508575932662800702e4932Q
141#define FLT128_MIN 3.36210314311209350626267781732175260e-4932Q
142#define FLT128_EPSILON 1.92592994438723585305597794258492732e-34Q
143#define FLT128_DENORM_MIN 6.475175119438025110924438958227646552e-4966Q
144#define FLT128_MANT_DIG 113
145#define FLT128_MIN_EXP (-16381)
146#define FLT128_MAX_EXP 16384
147// TODO -- One day, we need to add the following macros:
148// FLT128_DIG, FLT128_MIN_10_EXP, FLT128_MAX_10_EXP
149
150
151#define HUGE_VALQ __builtin_huge_valq()
152/* The following alternative is valid, but brings the warning:
153 (floating constant exceeds range of ‘__float128’) */
154/* #define HUGE_VALQ (__extension__ 0x1.0p32767Q) */
155
fa23b182
JJ		 156#define M_Eq 2.7182818284590452353602874713526625Q /* e */
157#define M_LOG2Eq 1.4426950408889634073599246810018921Q /* log_2 e */
158#define M_LOG10Eq 0.4342944819032518276511289189166051Q /* log_10 e */
159#define M_LN2q 0.6931471805599453094172321214581766Q /* log_e 2 */
160#define M_LN10q 2.3025850929940456840179914546843642Q /* log_e 10 */
161#define M_PIq 3.1415926535897932384626433832795029Q /* pi */
162#define M_PI_2q 1.5707963267948966192313216916397514Q /* pi/2 */
163#define M_PI_4q 0.7853981633974483096156608458198757Q /* pi/4 */
164#define M_1_PIq 0.3183098861837906715377675267450287Q /* 1/pi */
165#define M_2_PIq 0.6366197723675813430755350534900574Q /* 2/pi */
166#define M_2_SQRTPIq 1.1283791670955125738961589031215452Q /* 2/sqrt(pi) */
167#define M_SQRT2q 1.4142135623730950488016887242096981Q /* sqrt(2) */
168#define M_SQRT1_2q 0.7071067811865475244008443621048490Q /* 1/sqrt(2) */
169
dbc9f6c6
JJ		 170#define __quadmath_extern_inline \
171 extern inline __attribute__ ((__gnu_inline__))
172
173__quadmath_extern_inline __float128
327f73c1 174__quadmath_nth (cimagq (__complex128 __z))
dbc9f6c6
JJ		 175{
176 return __imag__ __z;
177}
178
179__quadmath_extern_inline __float128
327f73c1 180__quadmath_nth (crealq (__complex128 __z))
dbc9f6c6
JJ		 181{
182 return __real__ __z;
183}
184
185__quadmath_extern_inline __complex128
327f73c1 186__quadmath_nth (conjq (__complex128 __z))
dbc9f6c6
JJ		 187{
188 return __extension__ ~__z;
189}
190
1ec601bf 191#endif
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