From d03ab99aa999544403652e0739c9bea3b8b7835e Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Fri, 10 Jun 2011 01:05:23 -0600
Subject: Test for NaNs in results.

---
 tests/Euler.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'tests/Euler.cpp')

diff --git a/tests/Euler.cpp b/tests/Euler.cpp
index d9c6d18..1741dc8 100644
--- a/tests/Euler.cpp
+++ b/tests/Euler.cpp
@@ -48,8 +48,8 @@ main()
             << "Expected:   " << expected  << std::endl
             << "Iterations: " << integrator.iterations() << std::endl;
 
-  double error = std::abs(expected - actual)/expected;
-  if (error > 0.01) {
+  double error = std::abs(expected - actual)/std::abs(expected);
+  if (error > 0.01 || !std::isfinite(error)) {
     std::cerr << "Error:      " << 100.0*error << "%" << std::endl;
     return EXIT_FAILURE;
   } else {
-- 
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