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-rw-r--r--lib/libm/ctanh.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libm/ctanh.c b/lib/libm/ctanh.c
index a99e1496..e2d550df 100644
--- a/lib/libm/ctanh.c
+++ b/lib/libm/ctanh.c
@@ -1,5 +1,5 @@
-#include <math.h>
-#include <complex.h>
+#include <complex.h> // for complex, cimag, creal, ctanh, I
+#include <math.h> // for cos, cosh, sin, sinh
double complex ctanh(double complex z)
{