Bug fix for math::BinomialCoefficient(n, k); the previous implementation returned 1 for negative k values, which is not correct (should be zero.

2008-08-14 17:55:22 +00:00
parent 07a93adfeb
commit fc94b49ada
1 changed files with 2 additions and 1 deletions
@@ -15,8 +15,9 @@ double math::BinomialCoefficient(int n, int k) {
  double nchsk = 1;
  int i;
  
-  if(k > n)
+  if(k > n || k < 0) {
    return 0;
+  }
  
  if(k < n_k) {
    k = n_k;