/*============================================================================ This C source 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. =============================================================================*/ #include #include #include "platform.h" #include "random.h" #include "genCases.h" struct sequence { int term1Num, term2Num; bool done; }; enum { ui64NumP1 = 252 }; static const uint64_t ui64P1[ui64NumP1] = { UINT64_C( 0x0000000000000000 ), UINT64_C( 0x0000000000000001 ), UINT64_C( 0x0000000000000002 ), UINT64_C( 0x0000000000000004 ), UINT64_C( 0x0000000000000008 ), UINT64_C( 0x0000000000000010 ), UINT64_C( 0x0000000000000020 ), UINT64_C( 0x0000000000000040 ), UINT64_C( 0x0000000000000080 ), UINT64_C( 0x0000000000000100 ), UINT64_C( 0x0000000000000200 ), UINT64_C( 0x0000000000000400 ), UINT64_C( 0x0000000000000800 ), UINT64_C( 0x0000000000001000 ), UINT64_C( 0x0000000000002000 ), UINT64_C( 0x0000000000004000 ), UINT64_C( 0x0000000000008000 ), UINT64_C( 0x0000000000010000 ), UINT64_C( 0x0000000000020000 ), UINT64_C( 0x0000000000040000 ), UINT64_C( 0x0000000000080000 ), UINT64_C( 0x0000000000100000 ), UINT64_C( 0x0000000000200000 ), UINT64_C( 0x0000000000400000 ), UINT64_C( 0x0000000000800000 ), UINT64_C( 0x0000000001000000 ), UINT64_C( 0x0000000002000000 ), UINT64_C( 0x0000000004000000 ), UINT64_C( 0x0000000008000000 ), UINT64_C( 0x0000000010000000 ), UINT64_C( 0x0000000020000000 ), UINT64_C( 0x0000000040000000 ), UINT64_C( 0x0000000080000000 ), UINT64_C( 0x0000000100000000 ), UINT64_C( 0x0000000200000000 ), UINT64_C( 0x0000000400000000 ), UINT64_C( 0x0000000800000000 ), UINT64_C( 0x0000001000000000 ), UINT64_C( 0x0000002000000000 ), UINT64_C( 0x0000004000000000 ), UINT64_C( 0x0000008000000000 ), UINT64_C( 0x0000010000000000 ), UINT64_C( 0x0000020000000000 ), UINT64_C( 0x0000040000000000 ), UINT64_C( 0x0000080000000000 ), UINT64_C( 0x0000100000000000 ), UINT64_C( 0x0000200000000000 ), UINT64_C( 0x0000400000000000 ), UINT64_C( 0x0000800000000000 ), UINT64_C( 0x0001000000000000 ), UINT64_C( 0x0002000000000000 ), UINT64_C( 0x0004000000000000 ), UINT64_C( 0x0008000000000000 ), UINT64_C( 0x0010000000000000 ), UINT64_C( 0x0020000000000000 ), UINT64_C( 0x0040000000000000 ), UINT64_C( 0x0080000000000000 ), UINT64_C( 0x0100000000000000 ), UINT64_C( 0x0200000000000000 ), UINT64_C( 0x0400000000000000 ), UINT64_C( 0x0800000000000000 ), UINT64_C( 0x1000000000000000 ), UINT64_C( 0x2000000000000000 ), UINT64_C( 0x4000000000000000 ), UINT64_C( 0x8000000000000000 ), UINT64_C( 0xC000000000000000 ), UINT64_C( 0xE000000000000000 ), UINT64_C( 0xF000000000000000 ), UINT64_C( 0xF800000000000000 ), UINT64_C( 0xFC00000000000000 ), UINT64_C( 0xFE00000000000000 ), UINT64_C( 0xFF00000000000000 ), UINT64_C( 0xFF80000000000000 ), UINT64_C( 0xFFC0000000000000 ), UINT64_C( 0xFFE0000000000000 ), UINT64_C( 0xFFF0000000000000 ), UINT64_C( 0xFFF8000000000000 ), UINT64_C( 0xFFFC000000000000 ), UINT64_C( 0xFFFE000000000000 ), UINT64_C( 0xFFFF000000000000 ), UINT64_C( 0xFFFF800000000000 ), UINT64_C( 0xFFFFC00000000000 ), UINT64_C( 0xFFFFE00000000000 ), UINT64_C( 0xFFFFF00000000000 ), UINT64_C( 0xFFFFF80000000000 ), UINT64_C( 0xFFFFFC0000000000 ), UINT64_C( 0xFFFFFE0000000000 ), UINT64_C( 0xFFFFFF0000000000 ), UINT64_C( 0xFFFFFF8000000000 ), UINT64_C( 0xFFFFFFC000000000 ), UINT64_C( 0xFFFFFFE000000000 ), UINT64_C( 0xFFFFFFF000000000 ), UINT64_C( 0xFFFFFFF800000000 ), UINT64_C( 0xFFFFFFFC00000000 ), UINT64_C( 0xFFFFFFFE00000000 ), UINT64_C( 0xFFFFFFFF00000000 ), UINT64_C( 0xFFFFFFFF80000000 ), UINT64_C( 0xFFFFFFFFC0000000 ), UINT64_C( 0xFFFFFFFFE0000000 ), UINT64_C( 0xFFFFFFFFF0000000 ), UINT64_C( 0xFFFFFFFFF8000000 ), UINT64_C( 0xFFFFFFFFFC000000 ), UINT64_C( 0xFFFFFFFFFE000000 ), UINT64_C( 0xFFFFFFFFFF000000 ), UINT64_C( 0xFFFFFFFFFF800000 ), UINT64_C( 0xFFFFFFFFFFC00000 ), UINT64_C( 0xFFFFFFFFFFE00000 ), UINT64_C( 0xFFFFFFFFFFF00000 ), UINT64_C( 0xFFFFFFFFFFF80000 ), UINT64_C( 0xFFFFFFFFFFFC0000 ), UINT64_C( 0xFFFFFFFFFFFE0000 ), UINT64_C( 0xFFFFFFFFFFFF0000 ), UINT64_C( 0xFFFFFFFFFFFF8000 ), UINT64_C( 0xFFFFFFFFFFFFC000 ), UINT64_C( 0xFFFFFFFFFFFFE000 ), UINT64_C( 0xFFFFFFFFFFFFF000 ), UINT64_C( 0xFFFFFFFFFFFFF800 ), UINT64_C( 0xFFFFFFFFFFFFFC00 ), UINT64_C( 0xFFFFFFFFFFFFFE00 ), UINT64_C( 0xFFFFFFFFFFFFFF00 ), UINT64_C( 0xFFFFFFFFFFFFFF80 ), UINT64_C( 0xFFFFFFFFFFFFFFC0 ), UINT64_C( 0xFFFFFFFFFFFFFFE0 ), UINT64_C( 0xFFFFFFFFFFFFFFF0 ), UINT64_C( 0xFFFFFFFFFFFFFFF8 ), UINT64_C( 0xFFFFFFFFFFFFFFFC ), UINT64_C( 0xFFFFFFFFFFFFFFFE ), UINT64_C( 0xFFFFFFFFFFFFFFFF ), UINT64_C( 0xFFFFFFFFFFFFFFFD ), UINT64_C( 0xFFFFFFFFFFFFFFFB ), UINT64_C( 0xFFFFFFFFFFFFFFF7 ), UINT64_C( 0xFFFFFFFFFFFFFFEF ), UINT64_C( 0xFFFFFFFFFFFFFFDF ), UINT64_C( 0xFFFFFFFFFFFFFFBF ), UINT64_C( 0xFFFFFFFFFFFFFF7F ), UINT64_C( 0xFFFFFFFFFFFFFEFF ), UINT64_C( 0xFFFFFFFFFFFFFDFF ), UINT64_C( 0xFFFFFFFFFFFFFBFF ), UINT64_C( 0xFFFFFFFFFFFFF7FF ), UINT64_C( 0xFFFFFFFFFFFFEFFF ), UINT64_C( 0xFFFFFFFFFFFFDFFF ), UINT64_C( 0xFFFFFFFFFFFFBFFF ), UINT64_C( 0xFFFFFFFFFFFF7FFF ), UINT64_C( 0xFFFFFFFFFFFEFFFF ), UINT64_C( 0xFFFFFFFFFFFDFFFF ), UINT64_C( 0xFFFFFFFFFFFBFFFF ), UINT64_C( 0xFFFFFFFFFFF7FFFF ), UINT64_C( 0xFFFFFFFFFFEFFFFF ), UINT64_C( 0xFFFFFFFFFFDFFFFF ), UINT64_C( 0xFFFFFFFFFFBFFFFF ), UINT64_C( 0xFFFFFFFFFF7FFFFF ), UINT64_C( 0xFFFFFFFFFEFFFFFF ), UINT64_C( 0xFFFFFFFFFDFFFFFF ), UINT64_C( 0xFFFFFFFFFBFFFFFF ), UINT64_C( 0xFFFFFFFFF7FFFFFF ), UINT64_C( 0xFFFFFFFFEFFFFFFF ), UINT64_C( 0xFFFFFFFFDFFFFFFF ), UINT64_C( 0xFFFFFFFFBFFFFFFF ), UINT64_C( 0xFFFFFFFF7FFFFFFF ), UINT64_C( 0xFFFFFFFEFFFFFFFF ), UINT64_C( 0xFFFFFFFDFFFFFFFF ), UINT64_C( 0xFFFFFFFBFFFFFFFF ), UINT64_C( 0xFFFFFFF7FFFFFFFF ), UINT64_C( 0xFFFFFFEFFFFFFFFF ), UINT64_C( 0xFFFFFFDFFFFFFFFF ), UINT64_C( 0xFFFFFFBFFFFFFFFF ), UINT64_C( 0xFFFFFF7FFFFFFFFF ), UINT64_C( 0xFFFFFEFFFFFFFFFF ), UINT64_C( 0xFFFFFDFFFFFFFFFF ), UINT64_C( 0xFFFFFBFFFFFFFFFF ), UINT64_C( 0xFFFFF7FFFFFFFFFF ), UINT64_C( 0xFFFFEFFFFFFFFFFF ), UINT64_C( 0xFFFFDFFFFFFFFFFF ), UINT64_C( 0xFFFFBFFFFFFFFFFF ), UINT64_C( 0xFFFF7FFFFFFFFFFF ), UINT64_C( 0xFFFEFFFFFFFFFFFF ), UINT64_C( 0xFFFDFFFFFFFFFFFF ), UINT64_C( 0xFFFBFFFFFFFFFFFF ), UINT64_C( 0xFFF7FFFFFFFFFFFF ), UINT64_C( 0xFFEFFFFFFFFFFFFF ), UINT64_C( 0xFFDFFFFFFFFFFFFF ), UINT64_C( 0xFFBFFFFFFFFFFFFF ), UINT64_C( 0xFF7FFFFFFFFFFFFF ), UINT64_C( 0xFEFFFFFFFFFFFFFF ), UINT64_C( 0xFDFFFFFFFFFFFFFF ), UINT64_C( 0xFBFFFFFFFFFFFFFF ), UINT64_C( 0xF7FFFFFFFFFFFFFF ), UINT64_C( 0xEFFFFFFFFFFFFFFF ), UINT64_C( 0xDFFFFFFFFFFFFFFF ), UINT64_C( 0xBFFFFFFFFFFFFFFF ), UINT64_C( 0x7FFFFFFFFFFFFFFF ), UINT64_C( 0x3FFFFFFFFFFFFFFF ), UINT64_C( 0x1FFFFFFFFFFFFFFF ), UINT64_C( 0x0FFFFFFFFFFFFFFF ), UINT64_C( 0x07FFFFFFFFFFFFFF ), UINT64_C( 0x03FFFFFFFFFFFFFF ), UINT64_C( 0x01FFFFFFFFFFFFFF ), UINT64_C( 0x00FFFFFFFFFFFFFF ), UINT64_C( 0x007FFFFFFFFFFFFF ), UINT64_C( 0x003FFFFFFFFFFFFF ), UINT64_C( 0x001FFFFFFFFFFFFF ), UINT64_C( 0x000FFFFFFFFFFFFF ), UINT64_C( 0x0007FFFFFFFFFFFF ), UINT64_C( 0x0003FFFFFFFFFFFF ), UINT64_C( 0x0001FFFFFFFFFFFF ), UINT64_C( 0x0000FFFFFFFFFFFF ), UINT64_C( 0x00007FFFFFFFFFFF ), UINT64_C( 0x00003FFFFFFFFFFF ), UINT64_C( 0x00001FFFFFFFFFFF ), UINT64_C( 0x00000FFFFFFFFFFF ), UINT64_C( 0x000007FFFFFFFFFF ), UINT64_C( 0x000003FFFFFFFFFF ), UINT64_C( 0x000001FFFFFFFFFF ), UINT64_C( 0x000000FFFFFFFFFF ), UINT64_C( 0x0000007FFFFFFFFF ), UINT64_C( 0x0000003FFFFFFFFF ), UINT64_C( 0x0000001FFFFFFFFF ), UINT64_C( 0x0000000FFFFFFFFF ), UINT64_C( 0x00000007FFFFFFFF ), UINT64_C( 0x00000003FFFFFFFF ), UINT64_C( 0x00000001FFFFFFFF ), UINT64_C( 0x00000000FFFFFFFF ), UINT64_C( 0x000000007FFFFFFF ), UINT64_C( 0x000000003FFFFFFF ), UINT64_C( 0x000000001FFFFFFF ), UINT64_C( 0x000000000FFFFFFF ), UINT64_C( 0x0000000007FFFFFF ), UINT64_C( 0x0000000003FFFFFF ), UINT64_C( 0x0000000001FFFFFF ), UINT64_C( 0x0000000000FFFFFF ), UINT64_C( 0x00000000007FFFFF ), UINT64_C( 0x00000000003FFFFF ), UINT64_C( 0x00000000001FFFFF ), UINT64_C( 0x00000000000FFFFF ), UINT64_C( 0x000000000007FFFF ), UINT64_C( 0x000000000003FFFF ), UINT64_C( 0x000000000001FFFF ), UINT64_C( 0x000000000000FFFF ), UINT64_C( 0x0000000000007FFF ), UINT64_C( 0x0000000000003FFF ), UINT64_C( 0x0000000000001FFF ), UINT64_C( 0x0000000000000FFF ), UINT64_C( 0x00000000000007FF ), UINT64_C( 0x00000000000003FF ), UINT64_C( 0x00000000000001FF ), UINT64_C( 0x00000000000000FF ), UINT64_C( 0x000000000000007F ), UINT64_C( 0x000000000000003F ), UINT64_C( 0x000000000000001F ), UINT64_C( 0x000000000000000F ), UINT64_C( 0x0000000000000007 ), UINT64_C( 0x0000000000000003 ) }; static uint64_t ui64NextP1( struct sequence *sequencePtr ) { int termNum; uint64_t z; termNum = sequencePtr->term1Num; z = ui64P1[termNum]; ++termNum; if ( ui64NumP1 <= termNum ) { termNum = 0; sequencePtr->done = true; } sequencePtr->term1Num = termNum; return z; } static const uint_fast64_t ui64NumP2 = (ui64NumP1 * ui64NumP1 + ui64NumP1) / 2; static uint64_t ui64NextP2( struct sequence *sequencePtr ) { int term1Num, term2Num; uint64_t z; term2Num = sequencePtr->term2Num; term1Num = sequencePtr->term1Num; z = ui64P1[term1Num] + ui64P1[term2Num]; ++term2Num; if ( ui64NumP1 <= term2Num ) { ++term1Num; if ( ui64NumP1 <= term1Num ) { term1Num = 0; sequencePtr->done = true; } term2Num = term1Num; sequencePtr->term1Num = term1Num; } sequencePtr->term2Num = term2Num; return z; } static uint64_t ui64RandomP3( void ) { return ui64P1[randomN_ui8( ui64NumP1 )] + ui64P1[randomN_ui8( ui64NumP1 )] + ui64P1[randomN_ui8( ui64NumP1 )]; } enum { ui64NumPInfWeightMasks = 61 }; static const uint64_t ui64PInfWeightMasks[ui64NumPInfWeightMasks] = { UINT64_C( 0xFFFFFFFFFFFFFFFF ), UINT64_C( 0x7FFFFFFFFFFFFFFF ), UINT64_C( 0x3FFFFFFFFFFFFFFF ), UINT64_C( 0x1FFFFFFFFFFFFFFF ), UINT64_C( 0x0FFFFFFFFFFFFFFF ), UINT64_C( 0x07FFFFFFFFFFFFFF ), UINT64_C( 0x03FFFFFFFFFFFFFF ), UINT64_C( 0x01FFFFFFFFFFFFFF ), UINT64_C( 0x00FFFFFFFFFFFFFF ), UINT64_C( 0x007FFFFFFFFFFFFF ), UINT64_C( 0x003FFFFFFFFFFFFF ), UINT64_C( 0x001FFFFFFFFFFFFF ), UINT64_C( 0x000FFFFFFFFFFFFF ), UINT64_C( 0x0007FFFFFFFFFFFF ), UINT64_C( 0x0003FFFFFFFFFFFF ), UINT64_C( 0x0001FFFFFFFFFFFF ), UINT64_C( 0x0000FFFFFFFFFFFF ), UINT64_C( 0x00007FFFFFFFFFFF ), UINT64_C( 0x00003FFFFFFFFFFF ), UINT64_C( 0x00001FFFFFFFFFFF ), UINT64_C( 0x00000FFFFFFFFFFF ), UINT64_C( 0x000007FFFFFFFFFF ), UINT64_C( 0x000003FFFFFFFFFF ), UINT64_C( 0x000001FFFFFFFFFF ), UINT64_C( 0x000000FFFFFFFFFF ), UINT64_C( 0x0000007FFFFFFFFF ), UINT64_C( 0x0000003FFFFFFFFF ), UINT64_C( 0x0000001FFFFFFFFF ), UINT64_C( 0x0000000FFFFFFFFF ), UINT64_C( 0x00000007FFFFFFFF ), UINT64_C( 0x00000003FFFFFFFF ), UINT64_C( 0x00000001FFFFFFFF ), UINT64_C( 0x00000000FFFFFFFF ), UINT64_C( 0x000000007FFFFFFF ), UINT64_C( 0x000000003FFFFFFF ), UINT64_C( 0x000000001FFFFFFF ), UINT64_C( 0x000000000FFFFFFF ), UINT64_C( 0x0000000007FFFFFF ), UINT64_C( 0x0000000003FFFFFF ), UINT64_C( 0x0000000001FFFFFF ), UINT64_C( 0x0000000000FFFFFF ), UINT64_C( 0x00000000007FFFFF ), UINT64_C( 0x00000000003FFFFF ), UINT64_C( 0x00000000001FFFFF ), UINT64_C( 0x00000000000FFFFF ), UINT64_C( 0x000000000007FFFF ), UINT64_C( 0x000000000003FFFF ), UINT64_C( 0x000000000001FFFF ), UINT64_C( 0x000000000000FFFF ), UINT64_C( 0x0000000000007FFF ), UINT64_C( 0x0000000000003FFF ), UINT64_C( 0x0000000000001FFF ), UINT64_C( 0x0000000000000FFF ), UINT64_C( 0x00000000000007FF ), UINT64_C( 0x00000000000003FF ), UINT64_C( 0x00000000000001FF ), UINT64_C( 0x00000000000000FF ), UINT64_C( 0x000000000000007F ), UINT64_C( 0x000000000000003F ), UINT64_C( 0x000000000000001F ), UINT64_C( 0x000000000000000F ) }; static uint64_t ui64RandomPInf( void ) { int weightMaskNum; weightMaskNum = randomN_ui8( ui64NumPInfWeightMasks ); return random_ui64() & ui64PInfWeightMasks[weightMaskNum]; } static struct sequence sequenceA; static int subcase; uint64_t genCases_ui64_a; void genCases_ui64_a_init( void ) { sequenceA.term2Num = 0; sequenceA.term1Num = 0; sequenceA.done = false; subcase = 0; genCases_total = (genCases_level == 1) ? 3 * ui64NumP1 : 2 * ui64NumP2; genCases_done = false; } void genCases_ui64_a_next( void ) { if ( genCases_level == 1 ) { switch ( subcase ) { case 0: genCases_ui64_a = ui64RandomP3(); break; case 1: genCases_ui64_a = ui64RandomPInf(); break; case 2: genCases_ui64_a = ui64NextP1( &sequenceA ); genCases_done = sequenceA.done; subcase = -1; break; } } else { switch ( subcase ) { case 0: genCases_ui64_a = ui64RandomP3(); break; case 2: genCases_ui64_a = ui64RandomPInf(); break; case 3: subcase = -1; case 1: genCases_ui64_a = ui64NextP2( &sequenceA ); genCases_done = sequenceA.done; break; } } ++subcase; }