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diff maths/MathUtilities.cpp @ 360:a694700f71d8

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Factorial: return double (int not big enough for many popular values)
author Chris Cannam <c.cannam@qmul.ac.uk>
date Wed, 16 Oct 2013 16:44:14 +0100
parents a067c2eeb13c
children 7e8d1f26b098
line wrap: on
line diff
--- a/maths/MathUtilities.cpp	Wed Oct 16 13:29:00 2013 +0100
+++ b/maths/MathUtilities.cpp	Wed Oct 16 16:44:14 2013 +0100
@@ -379,11 +379,11 @@
     else return n1;
 }
 
-int
+double
 MathUtilities::factorial(int x)
 {
     if (x < 0) return 0;
-    int f = 1;
+    double f = 1;
     for (int i = 1; i <= x; ++i) {
 	f = f * i;
     }