[Bug-gsl] bug in combination.c

[Rudi Cilibrasi]

Hi,

There's a problem with gsl_combination_valid in GSL:

Cheers,

Rudi

#include <gsl/gsl_combination.h>

/* This bug is in GSL version 1.3 combination/combination.c line 90:
 *          if (c->data[i] > c->data[j])
 *          The > should actually be a <
 */

int main()
{
  gsl_combination *c = gsl_combination_calloc(4,2);
  if (gsl_combination_valid(c) != GSL_SUCCESS) {
    printf("Problem: The starting combination is invalid!\n");
  }
  exit(0);
}