Function main

deps/GraphBLAS/Demo/Program/simple_demo.c:37–75

#define LEN 10000000

int main (void)
{
    double *x ;
    int i ;

    fprintf (stderr, "simple_demo:\n") ;
    double n = ((double) LEN) / 1e6 ;

    // calloc the space for more accurate timing
    x = (double *) calloc (LEN, sizeof (double)) ;
    if (x == NULL)
    {
        fprintf (stderr, "simple_demo: out of memory\n") ;
        exit (1) ;
    }

    // generate random numbers
    for (i = 0 ; i < LEN ; i++)
    {
        x [i] = simple_rand_x ( ) ;
    }

    // these should be the same on any system and any compiler
    printf ("first 10 random numbers:\n") ;
    for (i = 0 ; i < 10 ; i++)
    {
        printf ("%12.6f\n", x [i]) ;
    }

    // generate random uint64_t numbers
    double t1 ;

    for (i = 0 ; i < LEN ; i++)
    {
        simple_rand_i ( ) ;
    }

    free (x) ;
}