diff options
Diffstat (limited to 'softfloat/f64_lt.c')
| -rw-r--r--[-rwxr-xr-x] | softfloat/f64_lt.c | 46 |
1 files changed, 38 insertions, 8 deletions
diff --git a/softfloat/f64_lt.c b/softfloat/f64_lt.c index 14f182f..d9cf5aa 100755..100644 --- a/softfloat/f64_lt.c +++ b/softfloat/f64_lt.c @@ -1,5 +1,38 @@ -// See LICENSE.SoftFloat for license details. +/*============================================================================ + +This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic +Package, Release 3e, by John R. Hauser. + +Copyright 2011, 2012, 2013, 2014 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: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions, and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions, and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + 3. Neither the name of the University nor the names of its contributors may + be used to endorse or promote products derived from this software without + specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY +EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE +DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +=============================================================================*/ #include <stdbool.h> #include <stdint.h> @@ -19,19 +52,16 @@ bool f64_lt( float64_t a, float64_t b ) uiA = uA.ui; uB.f = b; uiB = uB.ui; - if ( - ( ( expF64UI( uiA ) == 0x7FF ) && fracF64UI( uiA ) ) - || ( ( expF64UI( uiB ) == 0x7FF ) && fracF64UI( uiB ) ) - ) { + if ( isNaNF64UI( uiA ) || isNaNF64UI( uiB ) ) { softfloat_raiseFlags( softfloat_flag_invalid ); return false; } signA = signF64UI( uiA ); signB = signF64UI( uiB ); return - ( signA != signB ) - ? signA && ( ( uiA | uiB ) & UINT64_C( 0x7FFFFFFFFFFFFFFF ) ) - : ( uiA != uiB ) && ( signA ^ ( uiA < uiB ) ); + (signA != signB) + ? signA && ((uiA | uiB) & UINT64_C( 0x7FFFFFFFFFFFFFFF )) + : (uiA != uiB) && (signA ^ (uiA < uiB)); } |