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/**
* This version is stamped on May 10, 2016
*
* Contact:
* Louis-Noel Pouchet <pouchet.ohio-state.edu>
* Tomofumi Yuki <tomofumi.yuki.fr>
*
* Web address: http://polybench.sourceforge.net
*/
/* symm.c: this file is part of PolyBench/C */
#ifndef SYNTHESIS
#include <stdio.h>
#endif
#define plus(i) i = i + ONE
static
void init_array(int m, int n,
int *alpha,
int *beta,
int C[ 20 + 0][30 + 0],
int A[ 20 + 0][20 + 0],
int B[ 20 + 0][30 + 0])
{
int i, j;
int ONE = 1;
int HUND = 100;
*alpha = 3;
*beta = 2;
for (i = 0; i < m; plus(i))
for (j = 0; j < n; plus(j)) {
C[i][j] = (int) (((i+j) % HUND) / m);
B[i][j] = (int) (((n+i-j) % HUND) / m);
}
for (i = 0; i < m; plus(i)) {
for (j = 0; j <=i; plus(j))
A[i][j] = (int) (((i+j) % HUND) / m);
for (j = i+ONE; j < m; plus(j))
A[i][j] = -999;
}
}
static
int print_array(int m, int n,
int C[ 20 + 0][30 + 0])
{
int i, j;
int ONE = 1;
int res = 0;
for (i = 0; i < m; plus(i))
for (j = 0; j < n; plus(j)) {
res ^= C[i][j];
}
#ifndef SYNTHESIS
printf("finished %u\n", res);
#endif
return res;
}
static
void kernel_symm(int m, int n,
int alpha,
int beta,
int C[ 20 + 0][30 + 0],
int A[ 20 + 0][20 + 0],
int B[ 20 + 0][30 + 0])
{
int ONE = 1;
int i, j, k;
int temp2;
for (i = 0; i < m; plus(i))
for (j = 0; j < n; plus(j) )
{
temp2 = 0;
for (k = 0; k < i; plus(k)) {
C[k][j] += alpha*B[i][j] * A[i][k];
temp2 += B[k][j] * A[i][k];
}
C[i][j] = beta * C[i][j] + alpha*B[i][j] * A[i][i] + alpha * temp2;
}
}
int main()
{
int m = 20;
int n = 30;
int alpha;
int beta;
int C[20 + 0][30 + 0];
int A[20 + 0][20 + 0];
int B[20 + 0][30 + 0];
init_array (m, n, &alpha, &beta,
C,
A,
B);
kernel_symm (m, n,
alpha, beta,
C,
A,
B);
return
print_array(m, n, C);
}
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