diff options
Diffstat (limited to 'sysdeps/ia64/fpu/libm_support.h')
| -rw-r--r-- | sysdeps/ia64/fpu/libm_support.h | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/sysdeps/ia64/fpu/libm_support.h b/sysdeps/ia64/fpu/libm_support.h new file mode 100644 index 0000000000..995b104388 --- /dev/null +++ b/sysdeps/ia64/fpu/libm_support.h @@ -0,0 +1,339 @@ +// +// Copyright (c) 2000, 2001, Intel Corporation +// All rights reserved. +// +// Contributed 2/2/2000 by John Harrison, Ted Kubaska, Bob Norin, Shane Story, +// and Ping Tak Peter Tang of the Computational Software Lab, Intel Corporation. +// +// WARRANTY DISCLAIMER +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR ITS +// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY +// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY OR TORT (INCLUDING +// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// +// Intel Corporation is the author of this code, and requests that all +// problem reports or change requests be submitted to it directly at +// http://developer.intel.com/opensource. +// + +// History: 02/02/2000 Initial version +// 2/28/2000 added tags for logb and nextafter +// 3/22/2000 Changes to support _LIB_VERSION variable +// and filled some enum gaps. Added support for C99. +// 5/31/2000 added prototypes for __libm_frexp_4l/8l +// 8/10/2000 Changed declaration of _LIB_VERSION to work for library +// builds and other application builds (precompiler directives). +// 8/11/2000 Added pointers-to-matherr-functions declarations to allow +// for user-defined matherr functions in the dll build. +// 12/07/2000 Added scalbn error_types values. +// + +#ifndef ASSEMBLER +#include <math.h> + +float __libm_frexp_4f( float x, int* exp); +float __libm_frexp_8f( float x, int* exp); +double __libm_frexp_4( double x, int* exp); +double __libm_frexp_8( double x, int* exp); +long double __libm_frexp_4l( long double x, int* exp); +long double __libm_frexp_8l( long double x, int* exp); +void __libm_sincos_pi4(double,double*,double*,int); +void __libm_y0y1(double , double *, double *); +void __libm_j0j1(double , double *, double *); +double __libm_lgamma_kernel(double,int*,int,int); +double __libm_j0(double); +double __libm_j1(double); +double __libm_jn(int,double); +double __libm_y0(double); +double __libm_y1(double); +double __libm_yn(int,double); + +extern double rint(double); +extern double sqrt(double); +extern double fabs(double); +extern double log(double); +extern double log1p(double); +extern double sqrt(double); +extern double sin(double); +extern double exp(double); +extern double modf(double, double *); +extern double asinh(double); +extern double acosh(double); +extern double atanh(double); +extern double tanh(double); +extern double erf(double); +extern double erfc(double); +extern double j0(double); +extern double j1(double); +extern double jn(int, double); +extern double y0(double); +extern double y1(double); +extern double yn(int, double); + +extern float fabsf(float); +extern float asinhf(float); +extern float acoshf(float); +extern float atanhf(float); +extern float tanhf(float); +extern float erff(float); +extern float erfcf(float); +extern float j0f(float); +extern float j1f(float); +extern float jnf(int, float); +extern float y0f(float); +extern float y1f(float); +extern float ynf(int, float); + +extern long double log1pl(long double); +extern long double logl(long double); +extern long double sqrtl(long double); +extern long double expl(long double); + +extern long lround(double); +extern long lroundf(float); +extern long lroundl(long double); + +#if !(defined(SIZE_INT_32) || defined(SIZE_INT_64)) + #error integer size not established; define SIZE_INT_32 or SIZE_INT_64 +#endif + +struct fp64 { /*/ sign:1 exponent:11 significand:52 (implied leading 1)*/ + unsigned lo_significand:32; + unsigned hi_significand:20; + unsigned exponent:11; + unsigned sign:1; +}; + +#define HI_SIGNIFICAND_LESS(X, HI) ((X)->hi_significand < 0x ## HI) +#define f64abs(x) ((x) < 0.0 ? -(x) : (x)) + +typedef enum +{ + logl_zero=0, logl_negative, /* 0, 1 */ + log_zero, log_negative, /* 2, 3 */ + logf_zero, logf_negative, /* 4, 5 */ + log10l_zero, log10l_negative, /* 6, 7 */ + log10_zero, log10_negative, /* 8, 9 */ + log10f_zero, log10f_negative, /* 10, 11 */ + expl_overflow, expl_underflow, /* 12, 13 */ + exp_overflow, exp_underflow, /* 14, 15 */ + expf_overflow, expf_underflow, /* 16, 17 */ + powl_overflow, powl_underflow, /* 18, 19 */ + powl_zero_to_zero, /* 20 */ + powl_zero_to_negative, /* 21 */ + powl_neg_to_non_integer, /* 22 */ + powl_nan_to_zero, /* 23 */ + pow_overflow, pow_underflow, /* 24, 25 */ + pow_zero_to_zero, /* 26 */ + pow_zero_to_negative, /* 27 */ + pow_neg_to_non_integer, /* 28 */ + pow_nan_to_zero, /* 29 */ + powf_overflow, powf_underflow, /* 30, 31 */ + powf_zero_to_zero, /* 32 */ + powf_zero_to_negative, /* 33 */ + powf_neg_to_non_integer, /* 34 */ + powf_nan_to_zero, /* 35 */ + atan2l_zero, /* 36 */ + atan2_zero, /* 37 */ + atan2f_zero, /* 38 */ + expm1l_overflow, /* 39 */ + expm1l_underflow, /* 40 */ + expm1_overflow, /* 41 */ + expm1_underflow, /* 42 */ + expm1f_overflow, /* 43 */ + expm1f_underflow, /* 44 */ + hypotl_overflow, /* 45 */ + hypot_overflow, /* 46 */ + hypotf_overflow, /* 47 */ + sqrtl_negative, /* 48 */ + sqrt_negative, /* 49 */ + sqrtf_negative, /* 50 */ + scalbl_overflow, scalbl_underflow, /* 51, 52 */ + scalb_overflow, scalb_underflow, /* 53, 54 */ + scalbf_overflow, scalbf_underflow, /* 55, 56 */ + acosl_gt_one, acos_gt_one, acosf_gt_one, /* 57, 58, 59 */ + asinl_gt_one, asin_gt_one, asinf_gt_one, /* 60, 61, 62 */ + coshl_overflow, cosh_overflow, coshf_overflow, /* 63, 64, 65 */ + y0l_zero, y0l_negative,y0l_gt_loss, /* 66, 67, 68 */ + y0_zero, y0_negative,y0_gt_loss, /* 69, 70, 71 */ + y0f_zero, y0f_negative,y0f_gt_loss, /* 72, 73, 74 */ + y1l_zero, y1l_negative,y1l_gt_loss, /* 75, 76, 77 */ + y1_zero, y1_negative,y1_gt_loss, /* 78, 79, 80 */ + y1f_zero, y1f_negative,y1f_gt_loss, /* 81, 82, 83 */ + ynl_zero, ynl_negative,ynl_gt_loss, /* 84, 85, 86 */ + yn_zero, yn_negative,yn_gt_loss, /* 87, 88, 89 */ + ynf_zero, ynf_negative,ynf_gt_loss, /* 90, 91, 92 */ + j0l_gt_loss, /* 93 */ + j0_gt_loss, /* 94 */ + j0f_gt_loss, /* 95 */ + j1l_gt_loss, /* 96 */ + j1_gt_loss, /* 97 */ + j1f_gt_loss, /* 98 */ + jnl_gt_loss, /* 99 */ + jn_gt_loss, /* 100 */ + jnf_gt_loss, /* 101 */ + lgammal_overflow, lgammal_negative,lgammal_reserve, /* 102, 103, 104 */ + lgamma_overflow, lgamma_negative,lgamma_reserve, /* 105, 106, 107 */ + lgammaf_overflow, lgammaf_negative, lgammaf_reserve,/* 108, 109, 110 */ + gammal_overflow,gammal_negative, gammal_reserve, /* 111, 112, 113 */ + gamma_overflow, gamma_negative, gamma_reserve, /* 114, 115, 116 */ + gammaf_overflow,gammaf_negative,gammaf_reserve, /* 117, 118, 119 */ + fmodl_by_zero, /* 120 */ + fmod_by_zero, /* 121 */ + fmodf_by_zero, /* 122 */ + remainderl_by_zero, /* 123 */ + remainder_by_zero, /* 124 */ + remainderf_by_zero, /* 125 */ + sinhl_overflow, sinh_overflow, sinhf_overflow, /* 126, 127, 128 */ + atanhl_gt_one, atanhl_eq_one, /* 129, 130 */ + atanh_gt_one, atanh_eq_one, /* 131, 132 */ + atanhf_gt_one, atanhf_eq_one, /* 133, 134 */ + acoshl_lt_one, /* 135 */ + acosh_lt_one, /* 136 */ + acoshf_lt_one, /* 137 */ + log1pl_zero, log1pl_negative, /* 138, 139 */ + log1p_zero, log1p_negative, /* 140, 141 */ + log1pf_zero, log1pf_negative, /* 142, 143 */ + ldexpl_overflow, ldexpl_underflow, /* 144, 145 */ + ldexp_overflow, ldexp_underflow, /* 146, 147 */ + ldexpf_overflow, ldexpf_underflow, /* 148, 149 */ + logbl_zero, logb_zero, logbf_zero, /* 150, 151, 152 */ + nextafterl_overflow, nextafter_overflow, + nextafterf_overflow, /* 153, 154, 155 */ + ilogbl_zero, ilogb_zero, ilogbf_zero, /* 156, 157, 158 */ + exp2l_overflow, exp2l_underflow, /* 159, 160 */ + exp2_overflow, exp2_underflow, /* 161, 162 */ + exp2f_overflow, exp2f_underflow, /* 163, 164 */ + exp10l_overflow, exp10_overflow, + exp10f_overflow, /* 165, 166, 167 */ + log2l_zero, log2l_negative, /* 168, 169 */ + log2_zero, log2_negative, /* 170, 171 */ + log2f_zero, log2f_negative, /* 172, 173 */ + scalbnl_overflow, scalbnl_underflow, /* 174, 175 */ + scalbn_overflow, scalbn_underflow, /* 176, 177 */ + scalbnf_overflow, scalbnf_underflow /* 178, 179 */ +} error_types; + +void __libm_error_support(void*,void*,void*,error_types); + +#define BIAS_64 1023 +#define EXPINF_64 2047 + +#define DOUBLE_HEX(HI, LO) 0x ## LO, 0x ## HI + +#if 0 +static const unsigned INF[] = { + DOUBLE_HEX(7ff00000, 00000000), + DOUBLE_HEX(fff00000, 00000000) +}; + +static const double _zeroo = 0.0; +static const double _bigg = 1.0e300; +static const double _ponee = 1.0; +static const double _nonee = -1.0; + +#define INVALID (_zeroo * *((double*)&INF[0])) +#define PINF *((double*)&INF[0]) +#define NINF -PINF +#define PINF_DZ (_ponee/_zeroo) +#define X_TLOSS 1.41484755040568800000e+16 +#endif + +struct exceptionf +{ + int type; + char *name; + float arg1, arg2, retval; +}; + +# ifdef __cplusplus +struct __exception +{ + int type; + char *name; + double arg1, arg2, retval; +}; +# else + +# ifndef _LIBC +struct exception +{ + int type; + char *name; + double arg1, arg2, retval; +}; +# endif +# endif + + + +struct exceptionl +{ + int type; + char *name; + long double arg1, arg2, retval; +}; + +#ifdef _MS_ +#define MATHERR_F _matherrf +#define MATHERR_D _matherr +#else +#define MATHERR_F matherrf +#define MATHERR_D matherr +#endif + +# ifdef __cplusplus +#define EXC_DECL_D __exception +#else +// exception is a reserved name in C++ +#define EXC_DECL_D exception +#endif + +extern int MATHERR_F(struct exceptionf*); +extern int MATHERR_D(struct EXC_DECL_D*); +extern int matherrl(struct exceptionl*); + + +/* Set these appropriately to make thread Safe */ +#define ERRNO_RANGE errno = ERANGE +#define ERRNO_DOMAIN errno = EDOM + + +// Add code to support _LIB_VERSION +#ifndef _LIBC +typedef enum +{ + _IEEE_ = -1, // IEEE-like behavior + _SVID_, // SysV, Rel. 4 behavior + _XOPEN_, // Unix98 + _POSIX_, // Posix + _ISOC_ // ISO C9X +} _LIB_VERSION_TYPE; + +extern _LIB_VERSION_TYPE _LIB_VERSION; +#endif + +// This is a run-time variable and may effect +// floating point behavior of the libm functions + +#endif /* ASSEMBLER */ + +/* Support for compatible assembler handling. */ +#if !defined L && defined _LIBC +#define L(name) .L##name +#endif +#ifdef __ELF__ +#define ASM_SIZE_DIRECTIVE(name) .size name,.-name +#define ASM_TYPE_DIRECTIVE(name,T) .type name,T +#else +#define ASM_SIZE_DIRECTIVE(name) +#define ASM_TYPE_DIRECTIVE(name,T) +#endif |