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|
/*
+--------------------------------------------------------------------------+
| CHStone : a suite of benchmark programs for C-based High-Level Synthesis |
| ======================================================================== |
| |
| * Collected and Modified : Y. Hara, H. Tomiyama, S. Honda, |
| H. Takada and K. Ishii |
| Nagoya University, Japan |
| |
| * Remark : |
| 1. This source code is modified to unify the formats of the benchmark |
| programs in CHStone. |
| 2. Test vectors are added for CHStone. |
| 3. If "main_result" is 0 at the end of the program, the program is |
| correctly executed. |
| 4. Please follow the copyright of each benchmark program. |
+--------------------------------------------------------------------------+
*/
/*
* Copyright (C) 2008
* Y. Hara, H. Tomiyama, S. Honda, H. Takada and K. Ishii
* Nagoya University, Japan
* All rights reserved.
*
* Disclaimer of Warranty
*
* These software programs are available to the user without any license fee or
* royalty on an "as is" basis. The authors disclaims any and all warranties,
* whether express, implied, or statuary, including any implied warranties or
* merchantability or of fitness for a particular purpose. In no event shall the
* copyright-holder be liable for any incidental, punitive, or consequential damages
* of any kind whatsoever arising from the use of these programs. This disclaimer
* of warranty extends to the user of these programs and user's customers, employees,
* agents, transferees, successors, and assigns.
*
*/
#include <stdio.h>
#include "softfloat.c"
double
ullong_to_double (unsigned long long x)
{
union
{
double d;
unsigned long long ll;
} t;
t.ll = x;
return t.d;
}
/*
+--------------------------------------------------------------------------+
| * Test Vectors (added for CHStone) |
| a_input, b_input : input data |
| z_output : expected output data |
+--------------------------------------------------------------------------+
*/
#define N 22
const float64 a_input[N] = {
0x7FFF000000000000ULL, /* nan */
0x7FF0000000000000ULL, /* inf */
0x7FF0000000000000ULL, /* inf */
0x7FF0000000000000ULL, /* inf */
0x3FF0000000000000ULL, /* 1.0 */
0x3FF0000000000000ULL, /* 1.0 */
0x0000000000000000ULL, /* 0.0 */
0x3FF0000000000000ULL, /* 1.0 */
0x0000000000000000ULL, /* 0.0 */
0x8000000000000000ULL, /* -0.0 */
0x4008000000000000ULL, /* 3.0 */
0xC008000000000000ULL, /* -3.0 */
0x4008000000000000ULL, /* 3.0 */
0xC008000000000000ULL, /* -3.0 */
0x4000000000000000ULL, /* 2.0 */
0xC000000000000000ULL, /* -2.0 */
0x4000000000000000ULL, /* 2.0 */
0xC000000000000000ULL, /* -2.0 */
0x3FF0000000000000ULL, /* 1.0 */
0xBFF0000000000000ULL, /* -1.0 */
0x3FF0000000000000ULL, /* 1.0 */
0xBFF0000000000000ULL /* -1.0 */
};
const float64 b_input[N] = {
0x3FF0000000000000ULL, /* 1.0 */
0x7FF8000000000000ULL, /* nan */
0x7FF0000000000000ULL, /* inf */
0x3FF0000000000000ULL, /* 1.0 */
0x7FF8000000000000ULL, /* nan */
0x7FF0000000000000ULL, /* inf */
0x0000000000000000ULL, /* 0.0 */
0x0000000000000000ULL, /* 0.0 */
0x3FF0000000000000ULL, /* 1.0 */
0x3FF0000000000000ULL, /* 1.0 */
0x4000000000000000ULL, /* 2.0 */
0x4000000000000000ULL, /* 2.0 */
0xC000000000000000ULL, /* 2.0 */
0xC000000000000000ULL, /* -2.0 */
0x4010000000000000ULL, /* 4.0 */
0x4010000000000000ULL, /* 4.0 */
0xC010000000000000ULL, /* -4.0 */
0xC010000000000000ULL, /* -4.0 */
0x3FF8000000000000ULL, /* 1.5 */
0x3FF8000000000000ULL, /* 1.5 */
0xBFF8000000000000ULL, /* -1.5 */
0xBFF8000000000000ULL /* -1.5 */
};
const float64 z_output[N] = {
0x7FFF000000000000ULL, /* nan */
0x7FF8000000000000ULL, /* nan */
0x7FFFFFFFFFFFFFFFULL, /* nan */
0x7FF0000000000000ULL, /* inf */
0x7FF8000000000000ULL, /* nan */
0x0000000000000000ULL, /* 0.0 */
0x7FFFFFFFFFFFFFFFULL, /* nan */
0x7FF0000000000000ULL, /* inf */
0x0000000000000000ULL, /* 0.0 */
0x8000000000000000ULL, /* -0.0 */
0x3FF8000000000000ULL, /* 1.5 */
0xBFF8000000000000ULL, /* -1.5 */
0xBFF8000000000000ULL, /* 1.5 */
0x3FF8000000000000ULL, /* -1.5 */
0x3FE0000000000000ULL, /* 0.5 */
0xBFE0000000000000ULL, /* 5.0 */
0xBFE0000000000000ULL, /* -5.0 */
0x3FE0000000000000ULL, /* 0.5 */
0x3FE5555555555555ULL, /* 0.666667 */
0xBFE5555555555555ULL, /* -0.666667 */
0xBFE5555555555555ULL, /* -0.666667 */
0x3FE5555555555555ULL /* 0.666667 */
};
int
main ()
{
int main_result;
int i;
float64 x1, x2;
main_result = 0;
for (i = 0; i < N; i++)
{
float64 result;
x1 = a_input[i];
x2 = b_input[i];
result = float64_div (x1, x2);
main_result += (result != z_output[i]);
printf
("a_input=%016llx b_input=%016llx expected=%016llx output=%016llx (%lf)\n",
a_input[i], b_input[i], z_output[i], result,
ullong_to_double (result));
}
printf ("%d\n", main_result);
return main_result;
}
|
