2017-12-07 Vladimir Makarov <vmakarov@redhat.com>
[official-gcc.git] / libquadmath / quadmath.h
blob95487b7d6efe68f7dd4babfc414ea4abe6afe2b7
1 /* GCC Quad-Precision Math Library
2 Copyright (C) 2010, 2011 Free Software Foundation, Inc.
3 Written by Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5 This file is part of the libquadmath library.
6 Libquadmath is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public
8 License as published by the Free Software Foundation; either
9 version 2 of the License, or (at your option) any later version.
11 Libquadmath is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
16 You should have received a copy of the GNU Library General Public
17 License along with libquadmath; see the file COPYING.LIB. If
18 not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
19 Boston, MA 02110-1301, USA. */
21 #ifndef QUADMATH_H
22 #define QUADMATH_H
24 #include <stdlib.h>
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
30 /* Define the complex type corresponding to __float128
31 ("_Complex __float128" is not allowed) */
32 #if (!defined(_ARCH_PPC)) || defined(__LONG_DOUBLE_IEEE128__)
33 typedef _Complex float __attribute__((mode(TC))) __complex128;
34 #else
35 typedef _Complex float __attribute__((mode(KC))) __complex128;
36 #endif
38 #ifdef __cplusplus
39 # define __quadmath_throw throw ()
40 # define __quadmath_nth(fct) fct throw ()
41 #else
42 # define __quadmath_throw __attribute__((__nothrow__))
43 # define __quadmath_nth(fct) __attribute__((__nothrow__)) fct
44 #endif
46 /* Prototypes for real functions */
47 extern __float128 acosq (__float128) __quadmath_throw;
48 extern __float128 acoshq (__float128) __quadmath_throw;
49 extern __float128 asinq (__float128) __quadmath_throw;
50 extern __float128 asinhq (__float128) __quadmath_throw;
51 extern __float128 atanq (__float128) __quadmath_throw;
52 extern __float128 atanhq (__float128) __quadmath_throw;
53 extern __float128 atan2q (__float128, __float128) __quadmath_throw;
54 extern __float128 cbrtq (__float128) __quadmath_throw;
55 extern __float128 ceilq (__float128) __quadmath_throw;
56 extern __float128 copysignq (__float128, __float128) __quadmath_throw;
57 extern __float128 coshq (__float128) __quadmath_throw;
58 extern __float128 cosq (__float128) __quadmath_throw;
59 extern __float128 erfq (__float128) __quadmath_throw;
60 extern __float128 erfcq (__float128) __quadmath_throw;
61 extern __float128 expq (__float128) __quadmath_throw;
62 extern __float128 expm1q (__float128) __quadmath_throw;
63 extern __float128 fabsq (__float128) __quadmath_throw;
64 extern __float128 fdimq (__float128, __float128) __quadmath_throw;
65 extern int finiteq (__float128) __quadmath_throw;
66 extern __float128 floorq (__float128) __quadmath_throw;
67 extern __float128 fmaq (__float128, __float128, __float128) __quadmath_throw;
68 extern __float128 fmaxq (__float128, __float128) __quadmath_throw;
69 extern __float128 fminq (__float128, __float128) __quadmath_throw;
70 extern __float128 fmodq (__float128, __float128) __quadmath_throw;
71 extern __float128 frexpq (__float128, int *) __quadmath_throw;
72 extern __float128 hypotq (__float128, __float128) __quadmath_throw;
73 extern int isinfq (__float128) __quadmath_throw;
74 extern int ilogbq (__float128) __quadmath_throw;
75 extern int isnanq (__float128) __quadmath_throw;
76 extern __float128 j0q (__float128) __quadmath_throw;
77 extern __float128 j1q (__float128) __quadmath_throw;
78 extern __float128 jnq (int, __float128) __quadmath_throw;
79 extern __float128 ldexpq (__float128, int) __quadmath_throw;
80 extern __float128 lgammaq (__float128) __quadmath_throw;
81 extern long long int llrintq (__float128) __quadmath_throw;
82 extern long long int llroundq (__float128) __quadmath_throw;
83 extern __float128 logbq (__float128) __quadmath_throw;
84 extern __float128 logq (__float128) __quadmath_throw;
85 extern __float128 log10q (__float128) __quadmath_throw;
86 extern __float128 log2q (__float128) __quadmath_throw;
87 extern __float128 log1pq (__float128) __quadmath_throw;
88 extern long int lrintq (__float128) __quadmath_throw;
89 extern long int lroundq (__float128) __quadmath_throw;
90 extern __float128 modfq (__float128, __float128 *) __quadmath_throw;
91 extern __float128 nanq (const char *) __quadmath_throw;
92 extern __float128 nearbyintq (__float128) __quadmath_throw;
93 extern __float128 nextafterq (__float128, __float128) __quadmath_throw;
94 extern __float128 powq (__float128, __float128) __quadmath_throw;
95 extern __float128 remainderq (__float128, __float128) __quadmath_throw;
96 extern __float128 remquoq (__float128, __float128, int *) __quadmath_throw;
97 extern __float128 rintq (__float128) __quadmath_throw;
98 extern __float128 roundq (__float128) __quadmath_throw;
99 extern __float128 scalblnq (__float128, long int) __quadmath_throw;
100 extern __float128 scalbnq (__float128, int) __quadmath_throw;
101 extern int signbitq (__float128) __quadmath_throw;
102 extern void sincosq (__float128, __float128 *, __float128 *) __quadmath_throw;
103 extern __float128 sinhq (__float128) __quadmath_throw;
104 extern __float128 sinq (__float128) __quadmath_throw;
105 extern __float128 sqrtq (__float128) __quadmath_throw;
106 extern __float128 tanq (__float128) __quadmath_throw;
107 extern __float128 tanhq (__float128) __quadmath_throw;
108 extern __float128 tgammaq (__float128) __quadmath_throw;
109 extern __float128 truncq (__float128) __quadmath_throw;
110 extern __float128 y0q (__float128) __quadmath_throw;
111 extern __float128 y1q (__float128) __quadmath_throw;
112 extern __float128 ynq (int, __float128) __quadmath_throw;
115 /* Prototypes for complex functions */
116 extern __float128 cabsq (__complex128) __quadmath_throw;
117 extern __float128 cargq (__complex128) __quadmath_throw;
118 extern __float128 cimagq (__complex128) __quadmath_throw;
119 extern __float128 crealq (__complex128) __quadmath_throw;
120 extern __complex128 cacosq (__complex128) __quadmath_throw;
121 extern __complex128 cacoshq (__complex128) __quadmath_throw;
122 extern __complex128 casinq (__complex128) __quadmath_throw;
123 extern __complex128 casinhq (__complex128) __quadmath_throw;
124 extern __complex128 catanq (__complex128) __quadmath_throw;
125 extern __complex128 catanhq (__complex128) __quadmath_throw;
126 extern __complex128 ccosq (__complex128) __quadmath_throw;
127 extern __complex128 ccoshq (__complex128) __quadmath_throw;
128 extern __complex128 cexpq (__complex128) __quadmath_throw;
129 extern __complex128 cexpiq (__float128) __quadmath_throw;
130 extern __complex128 clogq (__complex128) __quadmath_throw;
131 extern __complex128 clog10q (__complex128) __quadmath_throw;
132 extern __complex128 conjq (__complex128) __quadmath_throw;
133 extern __complex128 cpowq (__complex128, __complex128) __quadmath_throw;
134 extern __complex128 cprojq (__complex128) __quadmath_throw;
135 extern __complex128 csinq (__complex128) __quadmath_throw;
136 extern __complex128 csinhq (__complex128) __quadmath_throw;
137 extern __complex128 csqrtq (__complex128) __quadmath_throw;
138 extern __complex128 ctanq (__complex128) __quadmath_throw;
139 extern __complex128 ctanhq (__complex128) __quadmath_throw;
142 /* Prototypes for string <-> __float128 conversion functions */
143 extern __float128 strtoflt128 (const char *, char **) __quadmath_throw;
144 extern int quadmath_snprintf (char *str, size_t size,
145 const char *format, ...) __quadmath_throw;
148 /* Macros */
149 #define FLT128_MAX 1.18973149535723176508575932662800702e4932Q
150 #define FLT128_MIN 3.36210314311209350626267781732175260e-4932Q
151 #define FLT128_EPSILON 1.92592994438723585305597794258492732e-34Q
152 #define FLT128_DENORM_MIN 6.475175119438025110924438958227646552e-4966Q
153 #define FLT128_MANT_DIG 113
154 #define FLT128_MIN_EXP (-16381)
155 #define FLT128_MAX_EXP 16384
156 #define FLT128_DIG 33
157 #define FLT128_MIN_10_EXP (-4931)
158 #define FLT128_MAX_10_EXP 4932
161 #define HUGE_VALQ __builtin_huge_valq()
162 /* The following alternative is valid, but brings the warning:
163 (floating constant exceeds range of ‘__float128’) */
164 /* #define HUGE_VALQ (__extension__ 0x1.0p32767Q) */
166 #define M_Eq 2.7182818284590452353602874713526625Q /* e */
167 #define M_LOG2Eq 1.4426950408889634073599246810018921Q /* log_2 e */
168 #define M_LOG10Eq 0.4342944819032518276511289189166051Q /* log_10 e */
169 #define M_LN2q 0.6931471805599453094172321214581766Q /* log_e 2 */
170 #define M_LN10q 2.3025850929940456840179914546843642Q /* log_e 10 */
171 #define M_PIq 3.1415926535897932384626433832795029Q /* pi */
172 #define M_PI_2q 1.5707963267948966192313216916397514Q /* pi/2 */
173 #define M_PI_4q 0.7853981633974483096156608458198757Q /* pi/4 */
174 #define M_1_PIq 0.3183098861837906715377675267450287Q /* 1/pi */
175 #define M_2_PIq 0.6366197723675813430755350534900574Q /* 2/pi */
176 #define M_2_SQRTPIq 1.1283791670955125738961589031215452Q /* 2/sqrt(pi) */
177 #define M_SQRT2q 1.4142135623730950488016887242096981Q /* sqrt(2) */
178 #define M_SQRT1_2q 0.7071067811865475244008443621048490Q /* 1/sqrt(2) */
180 #define __quadmath_extern_inline \
181 extern inline __attribute__ ((__gnu_inline__))
183 __quadmath_extern_inline __float128
184 __quadmath_nth (cimagq (__complex128 __z))
186 return __imag__ __z;
189 __quadmath_extern_inline __float128
190 __quadmath_nth (crealq (__complex128 __z))
192 return __real__ __z;
195 __quadmath_extern_inline __complex128
196 __quadmath_nth (conjq (__complex128 __z))
198 return __extension__ ~__z;
201 #ifdef __cplusplus
203 #endif
205 #endif