1 files changed, 12 insertions, 0 deletions
diff --git a/lib/libm/ccosh.c b/lib/libm/ccosh.c
new file mode 100644
index 00000000..9cfff54a
--- /dev/null
+++ b/lib/libm/ccosh.c
@@ -0,0 +1,12 @@
+#include <math.h>
+#include <complex.h>
+
+double complex ccosh(double complex z)
+{
+	double x, y;
+
+	x = creal(z);
+	y = cimag(z);
+
+	return cosh(x) * cos(y) + (sinh(x) * sin(y)) * I;
+}