From 1d2bcd60d3e0cb8649ba5d2ae8672457849656ce Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Fri, 10 Jun 2011 01:21:32 -0600
Subject: Make the test DE care about x.

---
 tests/Complex.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'tests/Complex.cpp')

diff --git a/tests/Complex.cpp b/tests/Complex.cpp
index a81deeb..01d850b 100644
--- a/tests/Complex.cpp
+++ b/tests/Complex.cpp
@@ -24,11 +24,11 @@
 #include <iostream>
 #include <iomanip>
 
-// y' = -y (y == C*exp(x))
+// y' = x*y (y == C*exp(x^2/2))
 std::complex<double>
 f(double x, std::complex<double> y)
 {
-  return y;
+  return x*y;
 }
 
 int
@@ -53,7 +53,7 @@ main()
             << "Rejections: " << integrator.rejections() << std::endl;
 
   double error = std::abs(expected - actual)/std::abs(expected);
-  if (error > 6.0e-7 || !std::isfinite(error)) {
+  if (error > 5.9e-7 || !std::isfinite(error)) {
     std::cerr << "Error:      " << 100.0*error << "%" << std::endl;
     return EXIT_FAILURE;
   } else {
-- 
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