From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/libs/softfloat-3e/source/f128_eq.c | 73 ++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 src/libs/softfloat-3e/source/f128_eq.c (limited to 'src/libs/softfloat-3e/source/f128_eq.c') diff --git a/src/libs/softfloat-3e/source/f128_eq.c b/src/libs/softfloat-3e/source/f128_eq.c new file mode 100644 index 00000000..9f8a6253 --- /dev/null +++ b/src/libs/softfloat-3e/source/f128_eq.c @@ -0,0 +1,73 @@ + +/*============================================================================ + +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 +#include +#include "platform.h" +#include "internals.h" +#include "specialize.h" +#include "softfloat.h" + +bool f128_eq( float128_t a, float128_t b SOFTFLOAT_STATE_DECL_COMMA ) +{ + union ui128_f128 uA; + uint_fast64_t uiA64, uiA0; + union ui128_f128 uB; + uint_fast64_t uiB64, uiB0; + + uA.f = a; + uiA64 = uA.ui.v64; + uiA0 = uA.ui.v0; + uB.f = b; + uiB64 = uB.ui.v64; + uiB0 = uB.ui.v0; + if ( isNaNF128UI( uiA64, uiA0 ) || isNaNF128UI( uiB64, uiB0 ) ) { + if ( + softfloat_isSigNaNF128UI( uiA64, uiA0 ) + || softfloat_isSigNaNF128UI( uiB64, uiB0 ) + ) { + softfloat_raiseFlags( softfloat_flag_invalid SOFTFLOAT_STATE_ARG_COMMA ); + } + return false; + } + return + (uiA0 == uiB0) + && ( (uiA64 == uiB64) + || (! uiA0 && ! ((uiA64 | uiB64) & UINT64_C( 0x7FFFFFFFFFFFFFFF ))) + ); + +} + -- cgit v1.2.3