1 files changed, 7 insertions, 0 deletions
diff --git a/src/complex/catanhf.c b/src/complex/catanhf.c
new file mode 100644
index 00000000..e1d1e648
--- /dev/null
+++ b/src/complex/catanhf.c
@@ -0,0 +1,7 @@
+#include "libm.h"
+
+float complex catanhf(float complex z)
+{
+	z = catanf(cpackf(-cimagf(z), crealf(z)));
+	return cpackf(cimagf(z), -crealf(z));
+}