From d6b7f0ad9e7a07cdd8295083e1c737a7bf0c6305 Mon Sep 17 00:00:00 2001
From: JamesP <jlp765@gmail.com>
Date: Thu, 1 Oct 2015 15:02:46 +1000
Subject: add assertion for zero denominator

---
 lib/pure/rationals.nim | 1 +
 1 file changed, 1 insertion(+)

(limited to 'lib/pure')

diff --git a/lib/pure/rationals.nim b/lib/pure/rationals.nim
index 60d09c71a..79dc6de16 100644
--- a/lib/pure/rationals.nim
+++ b/lib/pure/rationals.nim
@@ -20,6 +20,7 @@ type Rational*[T] = object
 
 proc initRational*[T](num, den: T): Rational[T] =
   ## Create a new rational number.
+  assert(den != 0, "a denominator of zero value is invalid")
   result.num = num
   result.den = den
 
-- 
cgit 1.4.1-2-gfad0