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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
*/
/* lu.c: this file is part of PolyBench/C */
//#include <stdio.h>
//#include <unistd.h>
//#include <string.h>
//#include <math.h>
#include <stdio.h>
#include "../../include/misc.h"
#ifndef SYNTHESIS
#include <stdio.h>
#endif
#define plus(i) i = i + ONE
static
void init_array (int n,
int A[40][40])
{
int i, j;
for (i = 0; i < n; plus(i))
{
for (j = 0; j <= i; plus(j))
A[i][j] = sdivider(smodulo(-j, n), n) + ONE;
for (j = i+1; j < n; plus(j)) {
A[i][j] = 0;
}
A[i][i] = 1;
}
A[i][i] = 1;
}
int r,s,t;
int B[40][40]; // B = (int(*)[40 + 0][40 + 0])polybench_alloc_data ((40 + 0) * (40 + 0), sizeof(int));;
for (r = 0; r < n; plus(r))
for (s = 0; s < n; plus(s))
B[r][s] = 0;
for (t = 0; t < n; plus(t))
for (r = 0; r < n; plus(r))
for (s = 0; s < n; plus(s))
B[r][s] += A[r][t] * A[s][t];
for (r = 0; r < n; plus(r))
for (s = 0; s < n; plus(s))
A[r][s] = B[r][s];
//free((void*)B);;
}
static
void kernel_lu(int n,
int A[ 40][40])
{
int i, j, k;
int ONE = 1;
for (i = 0; i < n; plus(i)) {
for (j = 0; j <i; plus(j)) {
for (k = 0; k < j; plus(k)) {
A[i][j] -= A[i][k] * A[k][j];
}
A[i][j] = A[i][j] / A[j][j];
}
for (j = i; j < n; plus(j)) {
for (k = 0; k < i; plus(k)) {
A[i][j] -= A[i][k] * A[k][j];
}
}
}
}
static
int check_array(int n,
int A[40][40])
{
int res = 0;
int i, j;
int ONE = 1;
for (i = 0; i < n; plus(i))
for (j = 0; j < n; plus(j))
if(A[i][j] !=0) res = 1;
#ifndef SYNTHESIS
printf("finished: %u\n", res);
#endif
return res;
}
int main()
{
int n = 40;
int A[40][40]; //A = (int(*)[40 + 0][40 + 0])polybench_alloc_data ((40 + 0) * (40 + 0), sizeof(int));;
init_array (n, A);
kernel_lu (n, A);
return check_array(n, A);
//free((void*)A);;
}
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