1 files changed, 11 insertions, 0 deletions
diff --git a/lib/libm/csinh.c b/lib/libm/csinh.c
new file mode 100644
index 00000000..f03b61c0
--- /dev/null
+++ b/lib/libm/csinh.c
@@ -0,0 +1,11 @@
+#include "__complex.h"
+
+double complex csinh(double complex z)
+{
+	double x, y;
+
+	x = creal(z);
+	y = cimag(z);
+
+	return sinh(x) * cos(y) + (cosh(x) * sin(y)) * (double complex)I;
+}