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| author | Aurelien Jarno | 2011-04-20 13:04:22 +0200 |
|---|---|---|
| committer | Aurelien Jarno | 2011-04-25 11:18:32 +0200 |
| commit | d2b1027d5ffe7c6832bd50f167751171ed168ed0 (patch) | |
| tree | 836a5c2006fbea7646add09eacb9b9941d39c170 /fpu | |
| parent | softfloat: add pi constants (diff) | |
| download | qemu-d2b1027d5ffe7c6832bd50f167751171ed168ed0.tar.gz qemu-d2b1027d5ffe7c6832bd50f167751171ed168ed0.tar.xz qemu-d2b1027d5ffe7c6832bd50f167751171ed168ed0.zip | |
softfloat-native: add a few constant values
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'fpu')
| -rw-r--r-- | fpu/softfloat-native.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/fpu/softfloat-native.h b/fpu/softfloat-native.h index ea7a15e1c4..97fb3c7a5c 100644 --- a/fpu/softfloat-native.h +++ b/fpu/softfloat-native.h @@ -172,6 +172,15 @@ float128 int64_to_float128( int64_t STATUS_PARAM); #endif /*---------------------------------------------------------------------------- +| Software IEC/IEEE single-precision conversion constants. +*----------------------------------------------------------------------------*/ +#define float32_zero (0.0) +#define float32_one (1.0) +#define float32_ln2 (0.6931471) +#define float32_pi (3.1415926) +#define float32_half (0.5) + +/*---------------------------------------------------------------------------- | Software IEC/IEEE single-precision conversion routines. *----------------------------------------------------------------------------*/ int float32_to_int32( float32 STATUS_PARAM); @@ -280,6 +289,15 @@ INLINE float32 float32_scalbn(float32 a, int n) } /*---------------------------------------------------------------------------- +| Software IEC/IEEE double-precision conversion constants. +*----------------------------------------------------------------------------*/ +#define float64_zero (0.0) +#define float64_one (1.0) +#define float64_ln2 (0.693147180559945) +#define float64_pi (3.141592653589793) +#define float64_half (0.5) + +/*---------------------------------------------------------------------------- | Software IEC/IEEE double-precision conversion routines. *----------------------------------------------------------------------------*/ int float64_to_int32( float64 STATUS_PARAM ); @@ -394,6 +412,15 @@ INLINE float64 float64_scalbn(float64 a, int n) #ifdef FLOATX80 /*---------------------------------------------------------------------------- +| Software IEC/IEEE extended double-precision conversion constants. +*----------------------------------------------------------------------------*/ +#define floatx80_zero (0.0L) +#define floatx80_one (1.0L) +#define floatx80_ln2 (0.69314718055994530943L) +#define floatx80_pi (3.14159265358979323851L) +#define floatx80_half (0.5L) + +/*---------------------------------------------------------------------------- | Software IEC/IEEE extended double-precision conversion routines. *----------------------------------------------------------------------------*/ int floatx80_to_int32( floatx80 STATUS_PARAM ); |