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| author | John Hauser <jhauser@eecs.berkeley.edu> | 2016-07-22 18:03:04 -0700 |
|---|---|---|
| committer | John Hauser <jhauser@eecs.berkeley.edu> | 2016-07-22 18:03:04 -0700 |
| commit | cb5087cd7403acf31ac24ac4be8e019a51904895 (patch) | |
| tree | 3eeb55d6ad63e33dc8e3be33614e94bbe8a8cac5 /source/s_roundPackToUI32.c | |
| parent | 45fdcf1c6583e4af380b147ac568f5aa721b7ba8 (diff) | |
| download | berkeley-softfloat-3-cb5087cd7403acf31ac24ac4be8e019a51904895.zip berkeley-softfloat-3-cb5087cd7403acf31ac24ac4be8e019a51904895.tar.gz berkeley-softfloat-3-cb5087cd7403acf31ac24ac4be8e019a51904895.tar.bz2 | |
Release 3b. See "doc/SoftFloat-history.html".
Diffstat (limited to 'source/s_roundPackToUI32.c')
| -rw-r--r-- | source/s_roundPackToUI32.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/source/s_roundPackToUI32.c b/source/s_roundPackToUI32.c index f0021fe..22734aa 100644 --- a/source/s_roundPackToUI32.c +++ b/source/s_roundPackToUI32.c @@ -2,7 +2,7 @@ /*============================================================================ 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, 2015, 2016 The Regents of the University of California. All rights reserved. @@ -46,25 +46,25 @@ uint_fast32_t bool sign, uint_fast64_t sig, uint_fast8_t roundingMode, bool exact ) { bool roundNearEven; - uint_fast8_t roundIncrement, roundBits; + uint_fast16_t roundIncrement, roundBits; uint_fast32_t z; /*------------------------------------------------------------------------ *------------------------------------------------------------------------*/ roundNearEven = (roundingMode == softfloat_round_near_even); - roundIncrement = 0x40; + roundIncrement = 0x800; if ( ! roundNearEven && (roundingMode != softfloat_round_near_maxMag) ) { roundIncrement = (roundingMode == (sign ? softfloat_round_min : softfloat_round_max)) - ? 0x7F + ? 0xFFF : 0; } - roundBits = sig & 0x7F; + roundBits = sig & 0xFFF; sig += roundIncrement; - if ( sig & UINT64_C( 0xFFFFFF8000000000 ) ) goto invalid; - z = sig>>7; - z &= ~(uint_fast32_t) (! (roundBits ^ 0x40) & roundNearEven); + if ( sig & UINT64_C( 0xFFFFF00000000000 ) ) goto invalid; + z = sig>>12; + z &= ~(uint_fast32_t) (! (roundBits ^ 0x800) & roundNearEven); if ( sign && z ) goto invalid; if ( exact && roundBits ) { softfloat_exceptionFlags |= softfloat_flag_inexact; |