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softfloat-native: add a few constant values 

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2011-04-20 13:04:22 +02:00
parent c4b4c77a80
commit d2b1027d5f
1 changed files with 27 additions and 0 deletions
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27
fpu/softfloat-native.h
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@ -171,6 +171,15 @@ floatx80 int64_to_floatx80( int64_t STATUS_PARAM);
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.
*----------------------------------------------------------------------------*/
@ -279,6 +288,15 @@ INLINE float32 float32_scalbn(float32 a, int n)
return scalbnf(a, 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.
*----------------------------------------------------------------------------*/
@ -393,6 +411,15 @@ 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.
*----------------------------------------------------------------------------*/