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[Qemu-devel] [PATCH 05/20] softfloat-native: add a few constant values
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH 05/20] softfloat-native: add a few constant values |
Date: |
Mon, 18 Apr 2011 22:59:57 +0200 |
Signed-off-by: Aurelien Jarno <address@hidden>
---
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 ea7a15e..97fb3c7 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 );
--
1.7.2.3
- [Qemu-devel] [PATCH 00/20] target-i386 conversion to softfloat, Aurelien Jarno, 2011/04/18
- [Qemu-devel] [PATCH 02/20] softfloat: fix floatx80_is_infinity(), Aurelien Jarno, 2011/04/18
- [Qemu-devel] [PATCH 03/20] softfloat: add floatx80 constants, Aurelien Jarno, 2011/04/18
- [Qemu-devel] [PATCH 11/20] target-i386: fix helper_flbd_ST0() wrt softfloat, Aurelien Jarno, 2011/04/18
- [Qemu-devel] [PATCH 05/20] softfloat-native: add a few constant values,
Aurelien Jarno <=
- [Qemu-devel] [PATCH 01/20] softfloat: fix floatx80 handling of NaN, Aurelien Jarno, 2011/04/18
- [Qemu-devel] [PATCH 16/20] target-i386: add CPU86_LDouble <-> double conversion functions, Aurelien Jarno, 2011/04/18
- [Qemu-devel] [PATCH 04/20] softfloat: add pi constants, Aurelien Jarno, 2011/04/18
- [Qemu-devel] [PATCH 07/20] softfloat: fix float*_scalnb() corner cases, Aurelien Jarno, 2011/04/18