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+
+/*============================================================================
+
+This C header file is part of TestFloat, Release 3, 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 The Regents of the University of California
+(Regents).  All Rights Reserved.  Redistribution and use in source and binary
+forms, with or without modification, are permitted provided that the following
+conditions are met:
+
+Redistributions of source code must retain the above copyright notice,
+this list of conditions, and the following two paragraphs of disclaimer.
+Redistributions in binary form must reproduce the above copyright notice,
+this list of conditions, and the following two paragraphs of disclaimer in the
+documentation and/or other materials provided with the distribution.  Neither
+the name of the Regents nor the names of its contributors may be used to
+endorse or promote products derived from this software without specific prior
+written permission.
+
+IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
+SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING
+OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF REGENTS HAS
+BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED
+TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF ANY, PROVIDED
+HEREUNDER IS PROVIDED "AS IS".  REGENTS HAS NO OBLIGATION TO PROVIDE
+MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+
+=============================================================================*/
+
+#ifndef uint128_h
+#define uint128_h 1
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#ifdef LITTLEENDIAN
+struct uint128 { uint64_t v0, v64; };
+#else
+struct uint128 { uint64_t v64, v0; };
+#endif
+
+INLINE bool eq128( struct uint128 a, struct uint128 b )
+    { return (a.v64 == b.v64) && (a.v0 == b.v0); }
+
+INLINE bool le128( struct uint128 a, struct uint128 b )
+    { return (a.v64 < b.v64) || ((a.v64 == b.v64) && (a.v0 <= b.v0)); }
+
+INLINE bool lt128( struct uint128 a, struct uint128 b )
+    { return (a.v64 < b.v64) || ((a.v64 == b.v64) && (a.v0 < b.v0)); }
+
+struct uint128 shortShiftLeft128( struct uint128, int );
+struct uint128 shortShiftRight128( struct uint128, int );
+struct uint128 shortShiftRightJam128( struct uint128, int );
+struct uint128 neg128( struct uint128 );
+struct uint128 add128( struct uint128, struct uint128 );
+
+#endif
+