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-rw-r--r--tests/Euler.cpp4
1 files changed, 2 insertions, 2 deletions
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 {