initial cmath code and minor libm.h update

[libm] / src / cmath / cimag.c

diff --git a/src/cmath/cimag.c b/src/cmath/cimag.c
new file mode 100644 (file)
index 0000000..5e1ad46
--- /dev/null
+++ b/src/cmath/cimag.c
@@ -0,0 +1,7 @@
+#include "libm.h"
+
+double (cimag)(double complex z)
+{
+       union dcomplex u = {z};
+       return u.a[1];
+}