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| author | Alan Mishchenko <alanmi@berkeley.edu> | 2017-01-28 12:01:32 -0800 |
|---|---|---|
| committer | Alan Mishchenko <alanmi@berkeley.edu> | 2017-01-28 12:01:32 -0800 |
| commit | 782125c61e78d7f14e129667433b54e2fc434d50 (patch) | |
| tree | 03c2c8230ca0a9e029b72b36e17f1f7768224d7e /src/sat/xsat | |
| parent | ec6b765314f029ca9ddf5a2f3adc5b496d560f43 (diff) | |
| download | abc-782125c61e78d7f14e129667433b54e2fc434d50.tar.gz abc-782125c61e78d7f14e129667433b54e2fc434d50.tar.bz2 abc-782125c61e78d7f14e129667433b54e2fc434d50.zip | |
Custom floating-point number.
Diffstat (limited to 'src/sat/xsat')
| -rw-r--r-- | src/sat/xsat/xsatFloat.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/sat/xsat/xsatFloat.h b/src/sat/xsat/xsatFloat.h index 73b74ff7..90149783 100644 --- a/src/sat/xsat/xsatFloat.h +++ b/src/sat/xsat/xsatFloat.h @@ -70,6 +70,7 @@ static inline xFloat_t xSat_FloatCreateConst2point5() { retur static inline xFloat_t xSat_FloatCreateMaximum() { return xSat_Uint2Float( 0xFFFFFFFF ); } static inline float xSat_Float2Float( xFloat_t a ) { assert(a.Exp < 127); return Abc_Int2Float(((a.Exp + 127) << 23) | ((a.Mnt & 0x7FFF) << 8)); } +static inline xFloat_t xSat_FloatFromFloat( float a ) { int A = Abc_Float2Int(a); assert(a >= 1.0); return xSat_FloatCreate((A >> 23)-127, 0x8000 | ((A >> 8) & 0x7FFF)); } //////////////////////////////////////////////////////////////////////// /// FUNCTION DEFINITIONS /// @@ -180,6 +181,13 @@ static inline void xSat_FloatTest() xFloat_t c1p5 = xSat_FloatCreateConst1point5(); xFloat_t c2p5 = xSat_FloatCreateConst2point5(); + xFloat_t c1_ = xSat_FloatFromFloat(1.0); + xFloat_t c2_ = xSat_FloatFromFloat(2.0); + xFloat_t c3_ = xSat_FloatFromFloat(3.0); + xFloat_t c12_ = xSat_FloatFromFloat(12.0); + xFloat_t c1p5_ = xSat_FloatFromFloat(1.5); + xFloat_t c2p5_ = xSat_FloatFromFloat(2.5); + xFloat_t sum1 = xSat_FloatAdd(c1, c1p5); xFloat_t mul1 = xSat_FloatMul(c2, c1p5); @@ -197,6 +205,13 @@ static inline void xSat_FloatTest() printf( "1.5 = %f\n", xSat_Float2Float(c1p5) ); printf( "2.5 = %f\n", xSat_Float2Float(c2p5) ); + printf( "Converted 1 = %f\n", xSat_Float2Float(c1_) ); + printf( "Converted 2 = %f\n", xSat_Float2Float(c2_) ); + printf( "Converted 3 = %f\n", xSat_Float2Float(c3_) ); + printf( "Converted 12 = %f\n", xSat_Float2Float(c12_) ); + printf( "Converted 1.5 = %f\n", xSat_Float2Float(c1p5_) ); + printf( "Converted 2.5 = %f\n", xSat_Float2Float(c2p5_) ); + printf( "1.0 + 1.5 = %f\n", xSat_Float2Float(sum1) ); printf( "2.0 * 1.5 = %f\n", xSat_Float2Float(mul1) ); |