diff options
Diffstat (limited to 'math')
| -rw-r--r-- | math/math_private.h | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/math/math_private.h b/math/math_private.h deleted file mode 100644 index 777762dd33..0000000000 --- a/math/math_private.h +++ /dev/null @@ -1,392 +0,0 @@ -/* - * ==================================================== - * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. - * - * Developed at SunPro, a Sun Microsystems, Inc. business. - * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice - * is preserved. - * ==================================================== - */ - -/* - * from: @(#)fdlibm.h 5.1 93/09/24 - */ - -#ifndef _MATH_PRIVATE_H_ -#define _MATH_PRIVATE_H_ - -#include <endian.h> -#include <stdint.h> -#include <sys/types.h> - -/* The original fdlibm code used statements like: - n0 = ((*(int*)&one)>>29)^1; * index of high word * - ix0 = *(n0+(int*)&x); * high word of x * - ix1 = *((1-n0)+(int*)&x); * low word of x * - to dig two 32 bit words out of the 64 bit IEEE floating point - value. That is non-ANSI, and, moreover, the gcc instruction - scheduler gets it wrong. We instead use the following macros. - Unlike the original code, we determine the endianness at compile - time, not at run time; I don't see much benefit to selecting - endianness at run time. */ - -/* A union which permits us to convert between a double and two 32 bit - ints. */ - -#if __FLOAT_WORD_ORDER == BIG_ENDIAN - -typedef union -{ - double value; - struct - { - u_int32_t msw; - u_int32_t lsw; - } parts; - uint64_t word; -} ieee_double_shape_type; - -#endif - -#if __FLOAT_WORD_ORDER == LITTLE_ENDIAN - -typedef union -{ - double value; - struct - { - u_int32_t lsw; - u_int32_t msw; - } parts; - uint64_t word; -} ieee_double_shape_type; - -#endif - -/* Get two 32 bit ints from a double. */ - -#define EXTRACT_WORDS(ix0,ix1,d) \ -do { \ - ieee_double_shape_type ew_u; \ - ew_u.value = (d); \ - (ix0) = ew_u.parts.msw; \ - (ix1) = ew_u.parts.lsw; \ -} while (0) - -/* Get the more significant 32 bit int from a double. */ - -#define GET_HIGH_WORD(i,d) \ -do { \ - ieee_double_shape_type gh_u; \ - gh_u.value = (d); \ - (i) = gh_u.parts.msw; \ -} while (0) - -/* Get the less significant 32 bit int from a double. */ - -#define GET_LOW_WORD(i,d) \ -do { \ - ieee_double_shape_type gl_u; \ - gl_u.value = (d); \ - (i) = gl_u.parts.lsw; \ -} while (0) - -/* Get all in one, efficient on 64-bit machines. */ -#define EXTRACT_WORDS64(i,d) \ -do { \ - ieee_double_shape_type gh_u; \ - gh_u.value = (d); \ - (i) = gh_u.word; \ -} while (0) - -/* Set a double from two 32 bit ints. */ - -#define INSERT_WORDS(d,ix0,ix1) \ -do { \ - ieee_double_shape_type iw_u; \ - iw_u.parts.msw = (ix0); \ - iw_u.parts.lsw = (ix1); \ - (d) = iw_u.value; \ -} while (0) - -/* Get all in one, efficient on 64-bit machines. */ -#define INSERT_WORDS64(d,i) \ -do { \ - ieee_double_shape_type iw_u; \ - iw_u.word = (i); \ - (d) = iw_u.value; \ -} while (0) - -/* Set the more significant 32 bits of a double from an int. */ - -#define SET_HIGH_WORD(d,v) \ -do { \ - ieee_double_shape_type sh_u; \ - sh_u.value = (d); \ - sh_u.parts.msw = (v); \ - (d) = sh_u.value; \ -} while (0) - -/* Set the less significant 32 bits of a double from an int. */ - -#define SET_LOW_WORD(d,v) \ -do { \ - ieee_double_shape_type sl_u; \ - sl_u.value = (d); \ - sl_u.parts.lsw = (v); \ - (d) = sl_u.value; \ -} while (0) - -/* A union which permits us to convert between a float and a 32 bit - int. */ - -typedef union -{ - float value; - u_int32_t word; -} ieee_float_shape_type; - -/* Get a 32 bit int from a float. */ - -#define GET_FLOAT_WORD(i,d) \ -do { \ - ieee_float_shape_type gf_u; \ - gf_u.value = (d); \ - (i) = gf_u.word; \ -} while (0) - -/* Set a float from a 32 bit int. */ - -#define SET_FLOAT_WORD(d,i) \ -do { \ - ieee_float_shape_type sf_u; \ - sf_u.word = (i); \ - (d) = sf_u.value; \ -} while (0) - -/* Get long double macros from a separate header. */ -#include <math_ldbl.h> - -/* ieee style elementary functions */ -extern double __ieee754_sqrt (double); -extern double __ieee754_acos (double); -extern double __ieee754_acosh (double); -extern double __ieee754_log (double); -extern double __ieee754_atanh (double); -extern double __ieee754_asin (double); -extern double __ieee754_atan2 (double,double); -extern double __ieee754_exp (double); -extern double __ieee754_exp2 (double); -extern double __ieee754_exp10 (double); -extern double __ieee754_cosh (double); -extern double __ieee754_fmod (double,double); -extern double __ieee754_pow (double,double); -extern double __ieee754_lgamma_r (double,int *); -extern double __ieee754_gamma_r (double,int *); -extern double __ieee754_lgamma (double); -extern double __ieee754_gamma (double); -extern double __ieee754_log10 (double); -extern double __ieee754_log2 (double); -extern double __ieee754_sinh (double); -extern double __ieee754_hypot (double,double); -extern double __ieee754_j0 (double); -extern double __ieee754_j1 (double); -extern double __ieee754_y0 (double); -extern double __ieee754_y1 (double); -extern double __ieee754_jn (int,double); -extern double __ieee754_yn (int,double); -extern double __ieee754_remainder (double,double); -extern int32_t __ieee754_rem_pio2 (double,double*); -extern double __ieee754_scalb (double,double); - -/* fdlibm kernel function */ -extern double __kernel_standard (double,double,int); -extern float __kernel_standard_f (float,float,int); -extern double __kernel_sin (double,double,int); -extern double __kernel_cos (double,double); -extern double __kernel_tan (double,double,int); -extern int __kernel_rem_pio2 (double*,double*,int,int,int, const int32_t*); - -/* internal functions. */ -extern double __copysign (double x, double __y); - -extern inline double __copysign (double x, double y) -{ return __builtin_copysign (x, y); } - -/* ieee style elementary float functions */ -extern float __ieee754_sqrtf (float); -extern float __ieee754_acosf (float); -extern float __ieee754_acoshf (float); -extern float __ieee754_logf (float); -extern float __ieee754_atanhf (float); -extern float __ieee754_asinf (float); -extern float __ieee754_atan2f (float,float); -extern float __ieee754_expf (float); -extern float __ieee754_exp2f (float); -extern float __ieee754_exp10f (float); -extern float __ieee754_coshf (float); -extern float __ieee754_fmodf (float,float); -extern float __ieee754_powf (float,float); -extern float __ieee754_lgammaf_r (float,int *); -extern float __ieee754_gammaf_r (float,int *); -extern float __ieee754_lgammaf (float); -extern float __ieee754_gammaf (float); -extern float __ieee754_log10f (float); -extern float __ieee754_log2f (float); -extern float __ieee754_sinhf (float); -extern float __ieee754_hypotf (float,float); -extern float __ieee754_j0f (float); -extern float __ieee754_j1f (float); -extern float __ieee754_y0f (float); -extern float __ieee754_y1f (float); -extern float __ieee754_jnf (int,float); -extern float __ieee754_ynf (int,float); -extern float __ieee754_remainderf (float,float); -extern int32_t __ieee754_rem_pio2f (float,float*); -extern float __ieee754_scalbf (float,float); - - -/* float versions of fdlibm kernel functions */ -extern float __kernel_sinf (float,float,int); -extern float __kernel_cosf (float,float); -extern float __kernel_tanf (float,float,int); -extern int __kernel_rem_pio2f (float*,float*,int,int,int, const int32_t*); - -/* internal functions. */ -extern float __copysignf (float x, float __y); - -extern inline float __copysignf (float x, float y) -{ return __builtin_copysignf (x, y); } - -/* ieee style elementary long double functions */ -extern long double __ieee754_sqrtl (long double); -extern long double __ieee754_acosl (long double); -extern long double __ieee754_acoshl (long double); -extern long double __ieee754_logl (long double); -extern long double __ieee754_atanhl (long double); -extern long double __ieee754_asinl (long double); -extern long double __ieee754_atan2l (long double,long double); -extern long double __ieee754_expl (long double); -extern long double __ieee754_exp2l (long double); -extern long double __ieee754_exp10l (long double); -extern long double __ieee754_coshl (long double); -extern long double __ieee754_fmodl (long double,long double); -extern long double __ieee754_powl (long double,long double); -extern long double __ieee754_lgammal_r (long double,int *); -extern long double __ieee754_gammal_r (long double,int *); -extern long double __ieee754_lgammal (long double); -extern long double __ieee754_gammal (long double); -extern long double __ieee754_log10l (long double); -extern long double __ieee754_log2l (long double); -extern long double __ieee754_sinhl (long double); -extern long double __ieee754_hypotl (long double,long double); -extern long double __ieee754_j0l (long double); -extern long double __ieee754_j1l (long double); -extern long double __ieee754_y0l (long double); -extern long double __ieee754_y1l (long double); -extern long double __ieee754_jnl (int,long double); -extern long double __ieee754_ynl (int,long double); -extern long double __ieee754_remainderl (long double,long double); -extern int __ieee754_rem_pio2l (long double,long double*); -extern long double __ieee754_scalbl (long double,long double); - -/* long double versions of fdlibm kernel functions */ -extern long double __kernel_sinl (long double,long double,int); -extern long double __kernel_cosl (long double,long double); -extern long double __kernel_tanl (long double,long double,int); -extern void __kernel_sincosl (long double,long double, - long double *,long double *, int); -extern int __kernel_rem_pio2l (long double*,long double*,int,int, - int,const int*); - -#ifndef NO_LONG_DOUBLE -/* prototypes required to compile the ldbl-96 support without warnings */ -extern int __finitel (long double); -extern int __ilogbl (long double); -extern int __isinfl (long double); -extern int __isnanl (long double); -extern long double __atanl (long double); -extern long double __copysignl (long double, long double); -extern long double __expm1l (long double); -extern long double __floorl (long double); -extern long double __frexpl (long double, int *); -extern long double __ldexpl (long double, int); -extern long double __log1pl (long double); -extern long double __nanl (const char *); -extern long double __rintl (long double); -extern long double __scalbnl (long double, int); -extern long double __sqrtl (long double x); -extern long double fabsl (long double x); -extern void __sincosl (long double, long double *, long double *); -extern long double __logbl (long double x); -extern long double __significandl (long double x); - -extern inline long double __copysignl (long double x, long double y) -{ return __builtin_copysignl (x, y); } - -#endif - -/* Prototypes for functions of the IBM Accurate Mathematical Library. */ -extern double __exp1 (double __x, double __xx, double __error); -extern double __sin (double __x); -extern double __cos (double __x); -extern int __branred (double __x, double *__a, double *__aa); -extern void __doasin (double __x, double __dx, double __v[]); -extern void __dubsin (double __x, double __dx, double __v[]); -extern void __dubcos (double __x, double __dx, double __v[]); -extern double __halfulp (double __x, double __y); -extern double __sin32 (double __x, double __res, double __res1); -extern double __cos32 (double __x, double __res, double __res1); -extern double __mpsin (double __x, double __dx); -extern double __mpcos (double __x, double __dx); -extern double __mpsin1 (double __x); -extern double __mpcos1 (double __x); -extern double __slowexp (double __x); -extern double __slowpow (double __x, double __y, double __z); -extern void __docos (double __x, double __dx, double __v[]); - -#ifndef math_opt_barrier -# define math_opt_barrier(x) \ -({ __typeof (x) __x = (x); __asm ("" : "+m" (__x)); __x; }) -# define math_force_eval(x) \ -({ __typeof (x) __x = (x); __asm __volatile__ ("" : : "m" (__x)); }) -#endif - - -/* The standards only specify one variant of the fenv.h interfaces. - But at least for some architectures we can be more efficient if we - know what operations are going to be performed. Therefore we - define additional interfaces. By default they refer to the normal - interfaces. */ -#define libc_feholdexcept(e) (void) feholdexcept (e) -#define libc_feholdexceptf(e) (void) feholdexcept (e) -#define libc_feholdexceptl(e) (void) feholdexcept (e) - -#define libc_feholdexcept_setround(e, r) \ - do { feholdexcept (e); fesetround (r); } while (0) -#define libc_feholdexcept_setroundf(e, r) \ - do { feholdexcept (e); fesetround (r); } while (0) -#define libc_feholdexcept_setroundl(e, r) \ - do { feholdexcept (e); fesetround (r); } while (0) - -#define libc_fetestexcept(e) fetestexcept (e) -#define libc_fetestexceptf(e) fetestexcept (e) -#define libc_fetestexceptl(e) fetestexcept (e) - -#define libc_fesetenv(e) (void) fesetenv (e) -#define libc_fesetenvf(e) (void) fesetenv (e) -#define libc_fesetenvl(e) (void) fesetenv (e) - -#define libc_feupdateenv(e) (void) feupdateenv (e) -#define libc_feupdateenvf(e) (void) feupdateenv (e) -#define libc_feupdateenvl(e) (void) feupdateenv (e) - -#define __nan(str) \ - (__builtin_constant_p (str) && str[0] == '\0' ? NAN : __nan (str)) -#define __nanf(str) \ - (__builtin_constant_p (str) && str[0] == '\0' ? NAN : __nan (str)) -#define __nanl(str) \ - (__builtin_constant_p (str) && str[0] == '\0' ? NAN : __nan (str)) - -#endif /* _MATH_PRIVATE_H_ */ |