first commit of the new libm!

[musl] / src / complex / ccos.c

diff --git a/src/complex/ccos.c b/src/complex/ccos.c
new file mode 100644 (file)
index 0000000..5754c23
--- /dev/null
+++ b/src/complex/ccos.c
@@ -0,0 +1,8 @@
+#include "libm.h"
+
+/* cos(z) = cosh(i z) */
+
+double complex ccos(double complex z)
+{
+       return ccosh(cpack(-cimag(z), creal(z)));
+}