/*   random_demo.c                                                  */
/*   Demonstration of random numbers                                */
/*   Pseudo random numbers generated by RAND() from gcc             */
/*   Demo illustrating the dependence of different sequences        */ 
/*                                                                  */
/*   Syntax:                                                        */
/*   random_demo N                                                  */


#include <stdlib.h>
#include <stdio.h>

int main( int argc, char *argv[] )
{
  int icase, i, N;
  double x, y;

      if ( argc != 2 )
	{
          printf( "\n" );
          printf( "Syntax: random_demo  N \n" );
          exit(1);
	}

      N = atoi( argv[1] );

      for ( i=0 ; i<N ; i++ )
        {
          x = (double)rand()/(double)RAND_MAX;
          y = (double)rand()/(double)RAND_MAX;
          printf( " %f %f\n", x, y );
        }

}