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-rw-r--r--tests/Heun.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/tests/Heun.cpp b/tests/Heun.cpp
index d9e4cbe..d4f02bc 100644
--- a/tests/Heun.cpp
+++ b/tests/Heun.cpp
@@ -23,9 +23,9 @@
#include <iostream>
#include <iomanip>
-// y' = y (y == C*exp(t))
+// y' = y (y == C*exp(x))
double
-f(double t, double y)
+f(double x, double y)
{
return y;
}