1 files changed, 10 insertions, 0 deletions
diff --git a/lib/libm/clog.c b/lib/libm/clog.c
new file mode 100644
index 00000000..a119934b
--- /dev/null
+++ b/lib/libm/clog.c
@@ -0,0 +1,10 @@
+#include "__complex.h"
+
+double complex clog(double complex z)
+{
+	double p, rr;
+	rr = cabs(z);
+	p = log(rr);
+	rr = atan2(cimag(z), creal(z));
+	return p + rr * (double complex)I;
+}