| softfloat.h (169721) | softfloat.h (230189) |
|---|---|
| 1/* $NetBSD: softfloat.h,v 1.6 2002/05/12 13:12:46 bjh21 Exp $ */ | 1/* $NetBSD: softfloat.h,v 1.6 2002/05/12 13:12:46 bjh21 Exp $ */ |
| 2/* $FreeBSD: head/lib/libc/arm/softfloat/softfloat.h 169721 2007-05-19 04:34:42Z kan $ */ | 2/* $FreeBSD: head/lib/libc/arm/softfloat/softfloat.h 230189 2012-01-16 04:05:53Z das $ */ |
| 3 4/* This is a derivative work. */ 5 6/* 7=============================================================================== 8 9This C header file is part of the SoftFloat IEC/IEEE Floating-point 10Arithmetic Package, Release 2a. --- 29 unchanged lines hidden (view full) --- 40`floatx80' type will not be defined, and none of the functions that either 41input or output the `floatx80' type will be defined. The same applies to 42the `FLOAT128' macro and the quadruple-precision format `float128'. 43------------------------------------------------------------------------------- 44*/ 45/* #define FLOATX80 */ 46/* #define FLOAT128 */ 47 | 3 4/* This is a derivative work. */ 5 6/* 7=============================================================================== 8 9This C header file is part of the SoftFloat IEC/IEEE Floating-point 10Arithmetic Package, Release 2a. --- 29 unchanged lines hidden (view full) --- 40`floatx80' type will not be defined, and none of the functions that either 41input or output the `floatx80' type will be defined. The same applies to 42the `FLOAT128' macro and the quadruple-precision format `float128'. 43------------------------------------------------------------------------------- 44*/ 45/* #define FLOATX80 */ 46/* #define FLOAT128 */ 47 |
| 48#include <machine/ieeefp.h> | 48#include <fenv.h> |
| 49 50/* 51------------------------------------------------------------------------------- 52Software IEC/IEEE floating-point types. 53------------------------------------------------------------------------------- 54*/ 55typedef unsigned int float32; 56typedef unsigned long long float64; --- 22 unchanged lines hidden (view full) --- 79 float_tininess_before_rounding = 1 80}; 81 82/* 83------------------------------------------------------------------------------- 84Software IEC/IEEE floating-point rounding mode. 85------------------------------------------------------------------------------- 86*/ | 49 50/* 51------------------------------------------------------------------------------- 52Software IEC/IEEE floating-point types. 53------------------------------------------------------------------------------- 54*/ 55typedef unsigned int float32; 56typedef unsigned long long float64; --- 22 unchanged lines hidden (view full) --- 79 float_tininess_before_rounding = 1 80}; 81 82/* 83------------------------------------------------------------------------------- 84Software IEC/IEEE floating-point rounding mode. 85------------------------------------------------------------------------------- 86*/ |
| 87extern fp_rnd_t float_rounding_mode; | 87extern int float_rounding_mode; |
| 88enum { | 88enum { |
| 89 float_round_nearest_even = FP_RN, 90 float_round_to_zero = FP_RZ, 91 float_round_down = FP_RM, 92 float_round_up = FP_RP | 89 float_round_nearest_even = FE_TONEAREST, 90 float_round_to_zero = FE_TOWARDZERO, 91 float_round_down = FE_DOWNWARD, 92 float_round_up = FE_UPWARD |
| 93}; 94 95/* 96------------------------------------------------------------------------------- 97Software IEC/IEEE floating-point exception flags. 98------------------------------------------------------------------------------- 99*/ | 93}; 94 95/* 96------------------------------------------------------------------------------- 97Software IEC/IEEE floating-point exception flags. 98------------------------------------------------------------------------------- 99*/ |
| 100extern fp_except float_exception_flags; 101extern fp_except float_exception_mask; | 100extern int float_exception_flags; 101extern int float_exception_mask; |
| 102enum { | 102enum { |
| 103 float_flag_inexact = FP_X_IMP, 104 float_flag_underflow = FP_X_UFL, 105 float_flag_overflow = FP_X_OFL, 106 float_flag_divbyzero = FP_X_DZ, 107 float_flag_invalid = FP_X_INV | 103 float_flag_inexact = FE_INEXACT, 104 float_flag_underflow = FE_UNDERFLOW, 105 float_flag_overflow = FE_OVERFLOW, 106 float_flag_divbyzero = FE_DIVBYZERO, 107 float_flag_invalid = FE_INVALID |
| 108}; 109 110/* 111------------------------------------------------------------------------------- 112Routine to raise any or all of the software IEC/IEEE floating-point 113exception flags. 114------------------------------------------------------------------------------- 115*/ | 108}; 109 110/* 111------------------------------------------------------------------------------- 112Routine to raise any or all of the software IEC/IEEE floating-point 113exception flags. 114------------------------------------------------------------------------------- 115*/ |
| 116void float_raise( fp_except ); | 116void float_raise( int ); |
| 117 118/* 119------------------------------------------------------------------------------- 120Software IEC/IEEE integer-to-floating-point conversion routines. 121------------------------------------------------------------------------------- 122*/ 123float32 int32_to_float32( int ); 124float64 int32_to_float64( int ); --- 191 unchanged lines hidden --- | 117 118/* 119------------------------------------------------------------------------------- 120Software IEC/IEEE integer-to-floating-point conversion routines. 121------------------------------------------------------------------------------- 122*/ 123float32 int32_to_float32( int ); 124float64 int32_to_float64( int ); --- 191 unchanged lines hidden --- |