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authorJohn Hauser <jhauser@eecs.berkeley.edu>2016-07-22 18:04:32 -0700
committerJohn Hauser <jhauser@eecs.berkeley.edu>2016-07-22 18:04:32 -0700
commitddfb9e70c434ae238635784ce66cb7ed93d0a2e7 (patch)
tree3502b5d96dcdbc5ad0c16c00caf4cd21428314b3 /source/uint128_inline.c
parent11a6a656c7651695deacfdcda9c5d80fdbc05fee (diff)
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Release 3b. See "doc/TestFloat-history.html".
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+
+/*============================================================================
+
+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)); }
+