diff options
Diffstat (limited to 'source/f32_add.c')
| -rw-r--r-- | source/f32_add.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/source/f32_add.c b/source/f32_add.c index 5b5a09e..b671aa4 100644 --- a/source/f32_add.c +++ b/source/f32_add.c @@ -2,10 +2,10 @@ /*============================================================================ This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic -Package, Release 3a, by John R. Hauser. +Package, Release 3b, by John R. Hauser. -Copyright 2011, 2012, 2013, 2014 The Regents of the University of California. -All rights reserved. +Copyright 2011, 2012, 2013, 2014, 2015, 2016 The Regents of the University of +California. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: @@ -44,30 +44,26 @@ float32_t f32_add( float32_t a, float32_t b ) { union ui32_f32 uA; uint_fast32_t uiA; - bool signA; union ui32_f32 uB; uint_fast32_t uiB; - bool signB; #if ! defined INLINE_LEVEL || (INLINE_LEVEL < 1) - float32_t (*magsFuncPtr)( uint_fast32_t, uint_fast32_t, bool ); + float32_t (*magsFuncPtr)( uint_fast32_t, uint_fast32_t ); #endif uA.f = a; uiA = uA.ui; - signA = signF32UI( uiA ); uB.f = b; uiB = uB.ui; - signB = signF32UI( uiB ); #if defined INLINE_LEVEL && (1 <= INLINE_LEVEL) - if ( signA == signB ) { - return softfloat_addMagsF32( uiA, uiB, signA ); + if ( signF32UI( uiA ^ uiB ) ) { + return softfloat_subMagsF32( uiA, uiB ); } else { - return softfloat_subMagsF32( uiA, uiB, signA ); + return softfloat_addMagsF32( uiA, uiB ); } #else magsFuncPtr = - (signA == signB) ? softfloat_addMagsF32 : softfloat_subMagsF32; - return (*magsFuncPtr)( uiA, uiB, signA ); + signF32UI( uiA ^ uiB ) ? softfloat_subMagsF32 : softfloat_addMagsF32; + return (*magsFuncPtr)( uiA, uiB ); #endif } |