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

#include "bint.h"

bool fact ( bint *b, word n )
{
  word i;

  bint_set( b, 1 );
  for ( i = 1; i < n; i++ )
    if ( !bint_mul( b, i + 1 ) )
      return false;

  return true;
}

int main ( int argc, char **argls )
{
  bint b;
  dword i, n = 0;
  if ( argc != 1 )
    n = atoi( argls[1] );

  if ( !n )
    n = 95;

  bint_create( &b, 1 );
  bint_reserve( &b, 1024 );
//  for ( i = 0; i < 32; i++ )
//  {
//    bint_mul( &b, 2 );
//    bint_print( stdout, &b );
//  }

  if ( !fact( &b, n ) )
  {
    fputs( "out of memory\n", stderr );
    bint_destroy( &b );
    return 1;
  }

  if ( !bint_print( stdout, &b ) )
    fputs( "out of memory\n", stderr );

  bint_destroy( &b );

  return 0;
}