1 files changed, 17 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/complex/cacoshl.c b/libc-top-half/musl/src/complex/cacoshl.c
new file mode 100644
index 0000000..3a284be
--- /dev/null
+++ b/libc-top-half/musl/src/complex/cacoshl.c
@@ -0,0 +1,17 @@
+#include "complex_impl.h"
+
+#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
+long double complex cacoshl(long double complex z)
+{
+	return cacosh(z);
+}
+#else
+long double complex cacoshl(long double complex z)
+{
+	int zineg = signbit(cimagl(z));
+
+	z = cacosl(z);
+	if (zineg) return CMPLXL(cimagl(z), -creall(z));
+	else       return CMPLXL(-cimagl(z), creall(z));
+}
+#endif