1 files changed, 13 insertions, 0 deletions
diff --git a/lib/libm/cexp.c b/lib/libm/cexp.c
new file mode 100644
index 00000000..b8a4b903
--- /dev/null
+++ b/lib/libm/cexp.c
@@ -0,0 +1,13 @@
+#include <math.h>
+#include <complex.h>
+
+double complex cexp(double complex z)
+{
+	double r, x, y;
+
+	x = creal(z);
+	y = cimag(z);
+	r = exp(x);
+
+	return r * cos(y) + r * sin(y) * I;
+}