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Diffstat (limited to 'StdLib/LibC/Math/math_private.h')
| -rw-r--r-- | StdLib/LibC/Math/math_private.h | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/StdLib/LibC/Math/math_private.h b/StdLib/LibC/Math/math_private.h deleted file mode 100644 index 0aed7e7950..0000000000 --- a/StdLib/LibC/Math/math_private.h +++ /dev/null @@ -1,229 +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
- * $NetBSD: math_private.h,v 1.12 2005/07/21 12:55:58 christos Exp $
- */
-
-#ifndef _MATH_PRIVATE_H_
-#define _MATH_PRIVATE_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. */
-
-/*
- * The ARM ports are little endian except for the FPA word order which is
- * big endian.
- */
-
-#if (BYTE_ORDER == BIG_ENDIAN) || (defined(__arm__) && !defined(__VFP_FP__))
-
-typedef union
-{
- double value;
- struct
- {
- u_int32_t msw;
- u_int32_t lsw;
- } parts;
-} ieee_double_shape_type;
-
-#endif
-
-#if (BYTE_ORDER == LITTLE_ENDIAN) && \
- !(defined(__arm__) && !defined(__VFP_FP__))
-
-typedef union
-{
- double value;
- struct
- {
- u_int32_t lsw;
- u_int32_t msw;
- } parts;
-} 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)
-
-/* 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)
-
-/* 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)
-
-/* 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_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 int __ieee754_rem_pio2 (double,double*);
-extern double __ieee754_scalb (double, double);
-
-/* fdlibm kernel function */
-extern double __kernel_standard (double, double, 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 int*);
-
-
-///* ieee style elementary float functions */
-//extern float __ieee754_sqrtf __P((float));
-//extern float __ieee754_acosf __P((float));
-//extern float __ieee754_acoshf __P((float));
-//extern float __ieee754_logf __P((float));
-//extern float __ieee754_atanhf __P((float));
-//extern float __ieee754_asinf __P((float));
-//extern float __ieee754_atan2f __P((float,float));
-//extern float __ieee754_expf __P((float));
-//extern float __ieee754_coshf __P((float));
-//extern float __ieee754_fmodf __P((float,float));
-//extern float __ieee754_powf __P((float,float));
-//extern float __ieee754_lgammaf_r __P((float,int *));
-//extern float __ieee754_gammaf_r __P((float,int *));
-//extern float __ieee754_lgammaf __P((float));
-//extern float __ieee754_gammaf __P((float));
-//extern float __ieee754_log10f __P((float));
-//extern float __ieee754_log2f __P((float));
-//extern float __ieee754_sinhf __P((float));
-//extern float __ieee754_hypotf __P((float,float));
-//extern float __ieee754_j0f __P((float));
-//extern float __ieee754_j1f __P((float));
-//extern float __ieee754_y0f __P((float));
-//extern float __ieee754_y1f __P((float));
-//extern float __ieee754_jnf __P((int,float));
-//extern float __ieee754_ynf __P((int,float));
-//extern float __ieee754_remainderf __P((float,float));
-//extern int __ieee754_rem_pio2f __P((float,float*));
-//extern float __ieee754_scalbf __P((float,float));
-
-///* float versions of fdlibm kernel functions */
-//extern float __kernel_sinf __P((float,float,int));
-//extern float __kernel_cosf __P((float,float));
-//extern float __kernel_tanf __P((float,float,int));
-//extern int __kernel_rem_pio2f __P((float*,float*,int,int,int,const int*));
-
-#endif /* _MATH_PRIVATE_H_ */
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