03c02a42c5
* Makefile.am (libquadmath_la_SOURCES): Add math/logbq.c. * Makefile.in: Regenerate. * libquadmath.texi: Document logbq. * quadmath.h: Add logbq prototype. * quadmath.map: Add logbq. * quadmath_weak.h: Add logbq prototype. * math/logbq.c: New file From-SVN: r226748
202 lines
8.9 KiB
C
202 lines
8.9 KiB
C
/* GCC Quad-Precision Math Library
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Copyright (C) 2010, 2011 Free Software Foundation, Inc.
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Written by Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
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This file is part of the libquadmath library.
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Libquadmath is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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Libquadmath is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with libquadmath; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#ifndef QUADMATH_H
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#define QUADMATH_H
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Define the complex type corresponding to __float128
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("_Complex __float128" is not allowed) */
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typedef _Complex float __attribute__((mode(TC))) __complex128;
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#ifdef __cplusplus
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# define __quadmath_throw throw ()
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# define __quadmath_nth(fct) fct throw ()
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#else
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# define __quadmath_throw __attribute__((__nothrow__))
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# define __quadmath_nth(fct) __attribute__((__nothrow__)) fct
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#endif
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/* Prototypes for real functions */
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extern __float128 acosq (__float128) __quadmath_throw;
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extern __float128 acoshq (__float128) __quadmath_throw;
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extern __float128 asinq (__float128) __quadmath_throw;
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extern __float128 asinhq (__float128) __quadmath_throw;
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extern __float128 atanq (__float128) __quadmath_throw;
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extern __float128 atanhq (__float128) __quadmath_throw;
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extern __float128 atan2q (__float128, __float128) __quadmath_throw;
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extern __float128 cbrtq (__float128) __quadmath_throw;
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extern __float128 ceilq (__float128) __quadmath_throw;
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extern __float128 copysignq (__float128, __float128) __quadmath_throw;
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extern __float128 coshq (__float128) __quadmath_throw;
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extern __float128 cosq (__float128) __quadmath_throw;
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extern __float128 erfq (__float128) __quadmath_throw;
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extern __float128 erfcq (__float128) __quadmath_throw;
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extern __float128 expq (__float128) __quadmath_throw;
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extern __float128 expm1q (__float128) __quadmath_throw;
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extern __float128 fabsq (__float128) __quadmath_throw;
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extern __float128 fdimq (__float128, __float128) __quadmath_throw;
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extern int finiteq (__float128) __quadmath_throw;
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extern __float128 floorq (__float128) __quadmath_throw;
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extern __float128 fmaq (__float128, __float128, __float128) __quadmath_throw;
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extern __float128 fmaxq (__float128, __float128) __quadmath_throw;
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extern __float128 fminq (__float128, __float128) __quadmath_throw;
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extern __float128 fmodq (__float128, __float128) __quadmath_throw;
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extern __float128 frexpq (__float128, int *) __quadmath_throw;
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extern __float128 hypotq (__float128, __float128) __quadmath_throw;
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extern int isinfq (__float128) __quadmath_throw;
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extern int ilogbq (__float128) __quadmath_throw;
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extern int isnanq (__float128) __quadmath_throw;
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extern __float128 j0q (__float128) __quadmath_throw;
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extern __float128 j1q (__float128) __quadmath_throw;
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extern __float128 jnq (int, __float128) __quadmath_throw;
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extern __float128 ldexpq (__float128, int) __quadmath_throw;
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extern __float128 lgammaq (__float128) __quadmath_throw;
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extern long long int llrintq (__float128) __quadmath_throw;
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extern long long int llroundq (__float128) __quadmath_throw;
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extern __float128 logbq (__float128) __quadmath_throw;
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extern __float128 logq (__float128) __quadmath_throw;
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extern __float128 log10q (__float128) __quadmath_throw;
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extern __float128 log2q (__float128) __quadmath_throw;
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extern __float128 log1pq (__float128) __quadmath_throw;
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extern long int lrintq (__float128) __quadmath_throw;
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extern long int lroundq (__float128) __quadmath_throw;
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extern __float128 modfq (__float128, __float128 *) __quadmath_throw;
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extern __float128 nanq (const char *) __quadmath_throw;
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extern __float128 nearbyintq (__float128) __quadmath_throw;
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extern __float128 nextafterq (__float128, __float128) __quadmath_throw;
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extern __float128 powq (__float128, __float128) __quadmath_throw;
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extern __float128 remainderq (__float128, __float128) __quadmath_throw;
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extern __float128 remquoq (__float128, __float128, int *) __quadmath_throw;
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extern __float128 rintq (__float128) __quadmath_throw;
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extern __float128 roundq (__float128) __quadmath_throw;
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extern __float128 scalblnq (__float128, long int) __quadmath_throw;
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extern __float128 scalbnq (__float128, int) __quadmath_throw;
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extern int signbitq (__float128) __quadmath_throw;
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extern void sincosq (__float128, __float128 *, __float128 *) __quadmath_throw;
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extern __float128 sinhq (__float128) __quadmath_throw;
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extern __float128 sinq (__float128) __quadmath_throw;
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extern __float128 sqrtq (__float128) __quadmath_throw;
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extern __float128 tanq (__float128) __quadmath_throw;
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extern __float128 tanhq (__float128) __quadmath_throw;
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extern __float128 tgammaq (__float128) __quadmath_throw;
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extern __float128 truncq (__float128) __quadmath_throw;
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extern __float128 y0q (__float128) __quadmath_throw;
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extern __float128 y1q (__float128) __quadmath_throw;
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extern __float128 ynq (int, __float128) __quadmath_throw;
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/* Prototypes for complex functions */
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extern __float128 cabsq (__complex128) __quadmath_throw;
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extern __float128 cargq (__complex128) __quadmath_throw;
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extern __float128 cimagq (__complex128) __quadmath_throw;
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extern __float128 crealq (__complex128) __quadmath_throw;
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extern __complex128 cacosq (__complex128) __quadmath_throw;
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extern __complex128 cacoshq (__complex128) __quadmath_throw;
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extern __complex128 casinq (__complex128) __quadmath_throw;
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extern __complex128 casinhq (__complex128) __quadmath_throw;
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extern __complex128 catanq (__complex128) __quadmath_throw;
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extern __complex128 catanhq (__complex128) __quadmath_throw;
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extern __complex128 ccosq (__complex128) __quadmath_throw;
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extern __complex128 ccoshq (__complex128) __quadmath_throw;
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extern __complex128 cexpq (__complex128) __quadmath_throw;
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extern __complex128 cexpiq (__float128) __quadmath_throw;
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extern __complex128 clogq (__complex128) __quadmath_throw;
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extern __complex128 clog10q (__complex128) __quadmath_throw;
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extern __complex128 conjq (__complex128) __quadmath_throw;
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extern __complex128 cpowq (__complex128, __complex128) __quadmath_throw;
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extern __complex128 cprojq (__complex128) __quadmath_throw;
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extern __complex128 csinq (__complex128) __quadmath_throw;
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extern __complex128 csinhq (__complex128) __quadmath_throw;
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extern __complex128 csqrtq (__complex128) __quadmath_throw;
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extern __complex128 ctanq (__complex128) __quadmath_throw;
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extern __complex128 ctanhq (__complex128) __quadmath_throw;
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/* Prototypes for string <-> __float128 conversion functions */
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extern __float128 strtoflt128 (const char *, char **) __quadmath_throw;
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extern int quadmath_snprintf (char *str, size_t size,
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const char *format, ...) __quadmath_throw;
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/* Macros */
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#define FLT128_MAX 1.18973149535723176508575932662800702e4932Q
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#define FLT128_MIN 3.36210314311209350626267781732175260e-4932Q
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#define FLT128_EPSILON 1.92592994438723585305597794258492732e-34Q
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#define FLT128_DENORM_MIN 6.475175119438025110924438958227646552e-4966Q
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#define FLT128_MANT_DIG 113
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#define FLT128_MIN_EXP (-16381)
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#define FLT128_MAX_EXP 16384
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#define FLT128_DIG 33
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#define FLT128_MIN_10_EXP (-4931)
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#define FLT128_MAX_10_EXP 4932
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#define HUGE_VALQ __builtin_huge_valq()
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/* The following alternative is valid, but brings the warning:
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(floating constant exceeds range of ‘__float128’) */
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/* #define HUGE_VALQ (__extension__ 0x1.0p32767Q) */
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#define M_Eq 2.7182818284590452353602874713526625Q /* e */
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#define M_LOG2Eq 1.4426950408889634073599246810018921Q /* log_2 e */
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#define M_LOG10Eq 0.4342944819032518276511289189166051Q /* log_10 e */
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#define M_LN2q 0.6931471805599453094172321214581766Q /* log_e 2 */
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#define M_LN10q 2.3025850929940456840179914546843642Q /* log_e 10 */
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#define M_PIq 3.1415926535897932384626433832795029Q /* pi */
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#define M_PI_2q 1.5707963267948966192313216916397514Q /* pi/2 */
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#define M_PI_4q 0.7853981633974483096156608458198757Q /* pi/4 */
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#define M_1_PIq 0.3183098861837906715377675267450287Q /* 1/pi */
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#define M_2_PIq 0.6366197723675813430755350534900574Q /* 2/pi */
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#define M_2_SQRTPIq 1.1283791670955125738961589031215452Q /* 2/sqrt(pi) */
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#define M_SQRT2q 1.4142135623730950488016887242096981Q /* sqrt(2) */
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#define M_SQRT1_2q 0.7071067811865475244008443621048490Q /* 1/sqrt(2) */
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#define __quadmath_extern_inline \
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extern inline __attribute__ ((__gnu_inline__))
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__quadmath_extern_inline __float128
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__quadmath_nth (cimagq (__complex128 __z))
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{
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return __imag__ __z;
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}
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__quadmath_extern_inline __float128
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__quadmath_nth (crealq (__complex128 __z))
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{
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return __real__ __z;
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}
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__quadmath_extern_inline __complex128
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__quadmath_nth (conjq (__complex128 __z))
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{
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return __extension__ ~__z;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif
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