gistfile1.txt

#include <stdio.h>
#define size 1000
int main(){
	int i,j,k;

	double aux = 0;
	static double A[size][size];
	static double B[size][size];
	static double C[size][size];
	
	for (i = 0; i < size; ++i)
	{
		for (j = 0; j < size; ++j)
		{
			A[i][j] = 0.5;
		}
	}

	for (i = 0; i < size; ++i)
	{
		for (j = 0; j < size; ++j)
		{
			B[i][j] = 2.0;
		}
	}
	


	// A line 
	for (i = 0; i < size; ++i)
	{	
	 	// B column
	 	for (j = 0; j < size; ++j)
	 	{	
	 		// B line
	 		for (k = 0; k < size; ++k)
	 		{
	 			aux += A[i][k] * B[k][j];
	 		}
	 		C[i][j] = aux;
	 		aux = 0;
	 	}
	}
	 /*
	 for (i = 0; i < size; ++i)
	 {
	 	for (j = 0; j < size; ++j)
	 	{
	 		printf("%.2f\t", C[i][j]);
	 	}
	 	printf("\n");
	 }
	 */
	return 0;
}