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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 | ||
5 | This file is part of the libiberty library. | |
6 | Libiberty 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. | |
10 | ||
11 | Libiberty 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. | |
15 | ||
16 | You should have received a copy of the GNU Library General Public | |
17 | License along with libiberty; 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. */ | |
20 | ||
1ec601bf 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) | |
28 | typedef _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 | |
1ec601bf FXC |
37 | |
38 | // Prototypes for real functions | |
327f73c1 JJ |
39 | extern __float128 acosq (__float128) __quadmath_throw; |
40 | extern __float128 acoshq (__float128) __quadmath_throw; | |
41 | extern __float128 asinq (__float128) __quadmath_throw; | |
42 | extern __float128 asinhq (__float128) __quadmath_throw; | |
43 | extern __float128 atanq (__float128) __quadmath_throw; | |
44 | extern __float128 atanhq (__float128) __quadmath_throw; | |
45 | extern __float128 atan2q (__float128, __float128) __quadmath_throw; | |
46 | extern __float128 cbrtq (__float128) __quadmath_throw; | |
47 | extern __float128 ceilq (__float128) __quadmath_throw; | |
48 | extern __float128 copysignq (__float128, __float128) __quadmath_throw; | |
49 | extern __float128 coshq (__float128) __quadmath_throw; | |
50 | extern __float128 cosq (__float128) __quadmath_throw; | |
51 | extern __float128 erfq (__float128) __quadmath_throw; | |
52 | extern __float128 erfcq (__float128) __quadmath_throw; | |
53 | extern __float128 expq (__float128) __quadmath_throw; | |
54 | extern __float128 expm1q (__float128) __quadmath_throw; | |
55 | extern __float128 fabsq (__float128) __quadmath_throw; | |
56 | extern __float128 fdimq (__float128, __float128) __quadmath_throw; | |
57 | extern int finiteq (__float128) __quadmath_throw; | |
58 | extern __float128 floorq (__float128) __quadmath_throw; | |
59 | extern __float128 fmaq (__float128, __float128, __float128) __quadmath_throw; | |
60 | extern __float128 fmaxq (__float128, __float128) __quadmath_throw; | |
61 | extern __float128 fminq (__float128, __float128) __quadmath_throw; | |
62 | extern __float128 fmodq (__float128, __float128) __quadmath_throw; | |
63 | extern __float128 frexpq (__float128, int *) __quadmath_throw; | |
64 | extern __float128 hypotq (__float128, __float128) __quadmath_throw; | |
65 | extern int isinfq (__float128) __quadmath_throw; | |
66 | extern int ilogbq (__float128) __quadmath_throw; | |
67 | extern int isnanq (__float128) __quadmath_throw; | |
68 | extern __float128 j0q (__float128) __quadmath_throw; | |
69 | extern __float128 j1q (__float128) __quadmath_throw; | |
70 | extern __float128 jnq (int, __float128) __quadmath_throw; | |
71 | extern __float128 ldexpq (__float128, int) __quadmath_throw; | |
72 | extern __float128 lgammaq (__float128) __quadmath_throw; | |
73 | extern long long int llrintq (__float128) __quadmath_throw; | |
74 | extern long long int llroundq (__float128) __quadmath_throw; | |
75 | extern __float128 logq (__float128) __quadmath_throw; | |
76 | extern __float128 log10q (__float128) __quadmath_throw; | |
77 | extern __float128 log2q (__float128) __quadmath_throw; | |
78 | extern __float128 log1pq (__float128) __quadmath_throw; | |
79 | extern long int lrintq (__float128) __quadmath_throw; | |
80 | extern long int lroundq (__float128) __quadmath_throw; | |
81 | extern __float128 modfq (__float128, __float128 *) __quadmath_throw; | |
82 | extern __float128 nanq (const char *) __quadmath_throw; | |
83 | extern __float128 nearbyintq (__float128) __quadmath_throw; | |
84 | extern __float128 nextafterq (__float128, __float128) __quadmath_throw; | |
85 | extern __float128 powq (__float128, __float128) __quadmath_throw; | |
86 | extern __float128 remainderq (__float128, __float128) __quadmath_throw; | |
87 | extern __float128 remquoq (__float128, __float128, int *) __quadmath_throw; | |
88 | extern __float128 rintq (__float128) __quadmath_throw; | |
89 | extern __float128 roundq (__float128) __quadmath_throw; | |
90 | extern __float128 scalblnq (__float128, long int) __quadmath_throw; | |
91 | extern __float128 scalbnq (__float128, int) __quadmath_throw; | |
92 | extern int signbitq (__float128) __quadmath_throw; | |
93 | extern void sincosq (__float128, __float128 *, __float128 *) __quadmath_throw; | |
94 | extern __float128 sinhq (__float128) __quadmath_throw; | |
95 | extern __float128 sinq (__float128) __quadmath_throw; | |
96 | extern __float128 sqrtq (__float128) __quadmath_throw; | |
97 | extern __float128 tanq (__float128) __quadmath_throw; | |
98 | extern __float128 tanhq (__float128) __quadmath_throw; | |
99 | extern __float128 tgammaq (__float128) __quadmath_throw; | |
100 | extern __float128 truncq (__float128) __quadmath_throw; | |
101 | extern __float128 y0q (__float128) __quadmath_throw; | |
102 | extern __float128 y1q (__float128) __quadmath_throw; | |
103 | extern __float128 ynq (int, __float128) __quadmath_throw; | |
1ec601bf FXC |
104 | |
105 | ||
106 | // Prototypes for complex functions | |
327f73c1 JJ |
107 | extern __float128 cabsq (__complex128) __quadmath_throw; |
108 | extern __float128 cargq (__complex128) __quadmath_throw; | |
109 | extern __float128 cimagq (__complex128) __quadmath_throw; | |
110 | extern __float128 crealq (__complex128) __quadmath_throw; | |
111 | extern __complex128 cacosq (__complex128) __quadmath_throw; | |
112 | extern __complex128 cacoshq (__complex128) __quadmath_throw; | |
113 | extern __complex128 casinq (__complex128) __quadmath_throw; | |
114 | extern __complex128 casinhq (__complex128) __quadmath_throw; | |
115 | extern __complex128 catanq (__complex128) __quadmath_throw; | |
116 | extern __complex128 catanhq (__complex128) __quadmath_throw; | |
117 | extern __complex128 ccosq (__complex128) __quadmath_throw; | |
118 | extern __complex128 ccoshq (__complex128) __quadmath_throw; | |
119 | extern __complex128 cexpq (__complex128) __quadmath_throw; | |
120 | extern __complex128 cexpiq (__float128) __quadmath_throw; | |
121 | extern __complex128 clogq (__complex128) __quadmath_throw; | |
122 | extern __complex128 clog10q (__complex128) __quadmath_throw; | |
123 | extern __complex128 conjq (__complex128) __quadmath_throw; | |
124 | extern __complex128 cpowq (__complex128, __complex128) __quadmath_throw; | |
125 | extern __complex128 cprojq (__complex128) __quadmath_throw; | |
126 | extern __complex128 csinq (__complex128) __quadmath_throw; | |
127 | extern __complex128 csinhq (__complex128) __quadmath_throw; | |
128 | extern __complex128 csqrtq (__complex128) __quadmath_throw; | |
129 | extern __complex128 ctanq (__complex128) __quadmath_throw; | |
130 | extern __complex128 ctanhq (__complex128) __quadmath_throw; | |
1ec601bf FXC |
131 | |
132 | ||
133 | // Prototypes for our I/O functions | |
327f73c1 JJ |
134 | extern int quadmath_strtopQ (const char *, char **, void *) __quadmath_throw; |
135 | extern 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 |