Use "approx" to deal with floating point comparisons

lefticus · lefticus · commit 1ef3d38b486e · 2015-03-24T16:31:09.000-06:00
diff --git a/tests/math.cpp b/tests/math.cpp
@@ -32,7 +32,7 @@ TEST_CASE( "Math functions work", "[math]" ) {
 
   CHECK(chai.eval<double>("acosh(1.0)") == acosh(1.0));
   CHECK(chai.eval<double>("asinh(0.5)") == asinh(0.5));
-  CHECK(chai.eval<double>("atanh(0.5)") == atanh(0.5));
+  CHECK(chai.eval<double>("atanh(0.5)") == Approx(atanh(0.5)));
 
   // EXPONENTIAL AND LOGARITHMIC FUNCTIONS
   CHECK(chai.eval<double>("exp(0.5)") == exp(0.5));

Original file line number	Diff line number	Diff line change
`@@ -32,7 +32,7 @@ TEST_CASE( "Math functions work", "[math]" ) {`
`32`	`32`
`33`	`33`	`CHECK(chai.eval<double>("acosh(1.0)") == acosh(1.0));`
`34`	`34`	`CHECK(chai.eval<double>("asinh(0.5)") == asinh(0.5));`
`35`		`- CHECK(chai.eval<double>("atanh(0.5)") == atanh(0.5));`
	`35`	`+ CHECK(chai.eval<double>("atanh(0.5)") == Approx(atanh(0.5)));`
`36`	`36`
`37`	`37`	`// EXPONENTIAL AND LOGARITHMIC FUNCTIONS`
`38`	`38`	`CHECK(chai.eval<double>("exp(0.5)") == exp(0.5));`