int main()
{
/* Chan, Joey, JMCSC, ync12 */
int m = 0;
int should_stop = 0;
clock_t start, end;
printf(" m N Result as expected Time taken\n");
printf("------- ---------- -------------------- ------------\n");
while(!should_stop)
{
int i, result;
for (i = 4; i <= 6; i++)
{
double time_taken;
int N = i*(int)pow(2, 3+m);
double** M = MakeSN(N);
start = clock();
double** MM = mymatmul(M, M, N-1, N-1, N-1);
end = clock();
time_taken = (double) (end - start) / CLOCKS_PER_SEC;
result = check_symmetric_matrix_correctness(MM, N);
printf("%7d %10d %20s %12.4f\n", m, N, result == 1 ? "True" : "False", time_taken);
free_matrix(M);
free_matrix(MM);
if (time_taken > 300)
{
should_stop = 1;
break;
}
}
m++;
}
}
int main(void){
int N;
double **A,**B,**C,t,f,g;
printf("Size of N:\n");
scanf("%d",&N);
A=make_random_matrix(N,N);
print_matrix(A,N,N);
B=make_random_matrix(N,N);
print_matrix(B,N,N);
clock_t start = clock();
clock_t end;
C=mymatmul(A,B,N,N,N);
print_matrix(C,N,N);
free_matrix(A);free_matrix(B);free_matrix(C);
end = clock();
t=(double)(end - start);
f=N*N*(N+(N-1));
g=(double)f/(double)(t*1000000000);
printf("f= %f, t= %f\n", f,t);
printf("%e \n \n",g);
exit(0);
}