1 files changed, 6 insertions, 0 deletions
diff --git a/lib/libm/cacoshl.c b/lib/libm/cacoshl.c
new file mode 100644
index 00000000..abe906ef
--- /dev/null
+++ b/lib/libm/cacoshl.c
@@ -0,0 +1,6 @@
+#include <complex.h>
+
+long double complex cacoshl(long double complex z)
+{
+	return clogl(z + csqrtl(z + 1) * csqrtl(z - 1));
+}