mirror of
https://github.com/openhwgroup/cvw
synced 2025-01-27 15:04:36 +00:00
324 lines
7.4 KiB
C
324 lines
7.4 KiB
C
|
|
/*============================================================================
|
|
|
|
This C source file is part of TestFloat, Release 3e, 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.
|
|
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"
|
|
#include "random.h"
|
|
#include "genCases.h"
|
|
|
|
struct sequence {
|
|
int term1Num, term2Num;
|
|
bool done;
|
|
};
|
|
|
|
enum { ui32NumP1 = 124 };
|
|
static const uint32_t ui32P1[ui32NumP1] = {
|
|
0x00000000,
|
|
0x00000001,
|
|
0x00000002,
|
|
0x00000004,
|
|
0x00000008,
|
|
0x00000010,
|
|
0x00000020,
|
|
0x00000040,
|
|
0x00000080,
|
|
0x00000100,
|
|
0x00000200,
|
|
0x00000400,
|
|
0x00000800,
|
|
0x00001000,
|
|
0x00002000,
|
|
0x00004000,
|
|
0x00008000,
|
|
0x00010000,
|
|
0x00020000,
|
|
0x00040000,
|
|
0x00080000,
|
|
0x00100000,
|
|
0x00200000,
|
|
0x00400000,
|
|
0x00800000,
|
|
0x01000000,
|
|
0x02000000,
|
|
0x04000000,
|
|
0x08000000,
|
|
0x10000000,
|
|
0x20000000,
|
|
0x40000000,
|
|
0x80000000,
|
|
0xC0000000,
|
|
0xE0000000,
|
|
0xF0000000,
|
|
0xF8000000,
|
|
0xFC000000,
|
|
0xFE000000,
|
|
0xFF000000,
|
|
0xFF800000,
|
|
0xFFC00000,
|
|
0xFFE00000,
|
|
0xFFF00000,
|
|
0xFFF80000,
|
|
0xFFFC0000,
|
|
0xFFFE0000,
|
|
0xFFFF0000,
|
|
0xFFFF8000,
|
|
0xFFFFC000,
|
|
0xFFFFE000,
|
|
0xFFFFF000,
|
|
0xFFFFF800,
|
|
0xFFFFFC00,
|
|
0xFFFFFE00,
|
|
0xFFFFFF00,
|
|
0xFFFFFF80,
|
|
0xFFFFFFC0,
|
|
0xFFFFFFE0,
|
|
0xFFFFFFF0,
|
|
0xFFFFFFF8,
|
|
0xFFFFFFFC,
|
|
0xFFFFFFFE,
|
|
0xFFFFFFFF,
|
|
0xFFFFFFFD,
|
|
0xFFFFFFFB,
|
|
0xFFFFFFF7,
|
|
0xFFFFFFEF,
|
|
0xFFFFFFDF,
|
|
0xFFFFFFBF,
|
|
0xFFFFFF7F,
|
|
0xFFFFFEFF,
|
|
0xFFFFFDFF,
|
|
0xFFFFFBFF,
|
|
0xFFFFF7FF,
|
|
0xFFFFEFFF,
|
|
0xFFFFDFFF,
|
|
0xFFFFBFFF,
|
|
0xFFFF7FFF,
|
|
0xFFFEFFFF,
|
|
0xFFFDFFFF,
|
|
0xFFFBFFFF,
|
|
0xFFF7FFFF,
|
|
0xFFEFFFFF,
|
|
0xFFDFFFFF,
|
|
0xFFBFFFFF,
|
|
0xFF7FFFFF,
|
|
0xFEFFFFFF,
|
|
0xFDFFFFFF,
|
|
0xFBFFFFFF,
|
|
0xF7FFFFFF,
|
|
0xEFFFFFFF,
|
|
0xDFFFFFFF,
|
|
0xBFFFFFFF,
|
|
0x7FFFFFFF,
|
|
0x3FFFFFFF,
|
|
0x1FFFFFFF,
|
|
0x0FFFFFFF,
|
|
0x07FFFFFF,
|
|
0x03FFFFFF,
|
|
0x01FFFFFF,
|
|
0x00FFFFFF,
|
|
0x007FFFFF,
|
|
0x003FFFFF,
|
|
0x001FFFFF,
|
|
0x000FFFFF,
|
|
0x0007FFFF,
|
|
0x0003FFFF,
|
|
0x0001FFFF,
|
|
0x0000FFFF,
|
|
0x00007FFF,
|
|
0x00003FFF,
|
|
0x00001FFF,
|
|
0x00000FFF,
|
|
0x000007FF,
|
|
0x000003FF,
|
|
0x000001FF,
|
|
0x000000FF,
|
|
0x0000007F,
|
|
0x0000003F,
|
|
0x0000001F,
|
|
0x0000000F,
|
|
0x00000007,
|
|
0x00000003
|
|
};
|
|
|
|
static uint32_t ui32NextP1( struct sequence *sequencePtr )
|
|
{
|
|
int termNum;
|
|
uint32_t z;
|
|
|
|
termNum = sequencePtr->term1Num;
|
|
z = ui32P1[termNum];
|
|
++termNum;
|
|
if ( ui32NumP1 <= termNum ) {
|
|
termNum = 0;
|
|
sequencePtr->done = true;
|
|
}
|
|
sequencePtr->term1Num = termNum;
|
|
return z;
|
|
|
|
}
|
|
|
|
static const uint_fast32_t ui32NumP2 = (ui32NumP1 * ui32NumP1 + ui32NumP1) / 2;
|
|
|
|
static uint32_t ui32NextP2( struct sequence *sequencePtr )
|
|
{
|
|
int term1Num, term2Num;
|
|
uint32_t z;
|
|
|
|
term2Num = sequencePtr->term2Num;
|
|
term1Num = sequencePtr->term1Num;
|
|
z = ui32P1[term1Num] + ui32P1[term2Num];
|
|
++term2Num;
|
|
if ( ui32NumP1 <= term2Num ) {
|
|
++term1Num;
|
|
if ( ui32NumP1 <= term1Num ) {
|
|
term1Num = 0;
|
|
sequencePtr->done = true;
|
|
}
|
|
term2Num = term1Num;
|
|
sequencePtr->term1Num = term1Num;
|
|
}
|
|
sequencePtr->term2Num = term2Num;
|
|
return z;
|
|
|
|
}
|
|
|
|
static uint32_t ui32RandomP3( void )
|
|
{
|
|
|
|
return
|
|
ui32P1[randomN_ui8( ui32NumP1 )] + ui32P1[randomN_ui8( ui32NumP1 )]
|
|
+ ui32P1[randomN_ui8( ui32NumP1 )];
|
|
|
|
}
|
|
|
|
enum { ui32NumPInfWeightMasks = 29 };
|
|
static const uint32_t ui32PInfWeightMasks[ui32NumPInfWeightMasks] = {
|
|
0xFFFFFFFF,
|
|
0x7FFFFFFF,
|
|
0x3FFFFFFF,
|
|
0x1FFFFFFF,
|
|
0x0FFFFFFF,
|
|
0x07FFFFFF,
|
|
0x03FFFFFF,
|
|
0x01FFFFFF,
|
|
0x00FFFFFF,
|
|
0x007FFFFF,
|
|
0x003FFFFF,
|
|
0x001FFFFF,
|
|
0x000FFFFF,
|
|
0x0007FFFF,
|
|
0x0003FFFF,
|
|
0x0001FFFF,
|
|
0x0000FFFF,
|
|
0x00007FFF,
|
|
0x00003FFF,
|
|
0x00001FFF,
|
|
0x00000FFF,
|
|
0x000007FF,
|
|
0x000003FF,
|
|
0x000001FF,
|
|
0x000000FF,
|
|
0x0000007F,
|
|
0x0000003F,
|
|
0x0000001F,
|
|
0x0000000F
|
|
};
|
|
|
|
static uint32_t ui32RandomPInf( void )
|
|
{
|
|
int weightMaskNum;
|
|
|
|
weightMaskNum = randomN_ui8( ui32NumPInfWeightMasks );
|
|
return random_ui32() & ui32PInfWeightMasks[weightMaskNum];
|
|
|
|
}
|
|
|
|
static struct sequence sequenceA;
|
|
static int subcase;
|
|
|
|
uint32_t genCases_ui32_a;
|
|
|
|
void genCases_ui32_a_init( void )
|
|
{
|
|
|
|
sequenceA.term1Num = 0;
|
|
sequenceA.term2Num = 0;
|
|
sequenceA.done = false;
|
|
subcase = 0;
|
|
genCases_total = (genCases_level == 1) ? 3 * ui32NumP1 : 2 * ui32NumP2;
|
|
genCases_done = false;
|
|
|
|
}
|
|
|
|
void genCases_ui32_a_next( void )
|
|
{
|
|
|
|
if ( genCases_level == 1 ) {
|
|
switch ( subcase ) {
|
|
case 0:
|
|
genCases_ui32_a = ui32RandomP3();
|
|
break;
|
|
case 1:
|
|
genCases_ui32_a = ui32RandomPInf();
|
|
break;
|
|
case 2:
|
|
genCases_ui32_a = ui32NextP1( &sequenceA );
|
|
genCases_done = sequenceA.done;
|
|
subcase = -1;
|
|
break;
|
|
}
|
|
} else {
|
|
switch ( subcase ) {
|
|
case 0:
|
|
genCases_ui32_a = ui32RandomP3();
|
|
break;
|
|
case 2:
|
|
genCases_ui32_a = ui32RandomPInf();
|
|
break;
|
|
case 3:
|
|
subcase = -1;
|
|
case 1:
|
|
genCases_ui32_a = ui32NextP2( &sequenceA );
|
|
genCases_done = sequenceA.done;
|
|
break;
|
|
}
|
|
}
|
|
++subcase;
|
|
|
|
}
|
|
|