diff options
author | John Hauser <jhauser@eecs.berkeley.edu> | 2016-07-22 18:04:32 -0700 |
---|---|---|
committer | John Hauser <jhauser@eecs.berkeley.edu> | 2016-07-22 18:04:32 -0700 |
commit | ddfb9e70c434ae238635784ce66cb7ed93d0a2e7 (patch) | |
tree | 3502b5d96dcdbc5ad0c16c00caf4cd21428314b3 /source/uint128_inline.c | |
parent | 11a6a656c7651695deacfdcda9c5d80fdbc05fee (diff) | |
download | berkeley-testfloat-3-ddfb9e70c434ae238635784ce66cb7ed93d0a2e7.zip berkeley-testfloat-3-ddfb9e70c434ae238635784ce66cb7ed93d0a2e7.tar.gz berkeley-testfloat-3-ddfb9e70c434ae238635784ce66cb7ed93d0a2e7.tar.bz2 |
Release 3b. See "doc/TestFloat-history.html".
Diffstat (limited to 'source/uint128_inline.c')
-rw-r--r-- | source/uint128_inline.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/source/uint128_inline.c b/source/uint128_inline.c new file mode 100644 index 0000000..4f5f60f --- /dev/null +++ b/source/uint128_inline.c @@ -0,0 +1,56 @@ + +/*============================================================================ + +This C header file is part of TestFloat, Release 3b, a package of programs for +testing the correctness of floating-point arithmetic complying with the IEEE +Standard for Floating-Point, by John R. Hauser. + +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: + + 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> +#include "platform.h" + +#ifdef LITTLEENDIAN +struct uint128 { uint64_t v0, v64; }; +#else +struct uint128 { uint64_t v64, v0; }; +#endif + +bool eq128( struct uint128 a, struct uint128 b ) + { return (a.v64 == b.v64) && (a.v0 == b.v0); } + +bool le128( struct uint128 a, struct uint128 b ) + { return (a.v64 < b.v64) || ((a.v64 == b.v64) && (a.v0 <= b.v0)); } + +bool lt128( struct uint128 a, struct uint128 b ) + { return (a.v64 < b.v64) || ((a.v64 == b.v64) && (a.v0 < b.v0)); } + |