1 files changed, 19 insertions, 0 deletions
diff --git a/winsup/mingw/mingwex/complex/cexpf.c b/winsup/mingw/mingwex/complex/cexpf.c
new file mode 100755
index 000000000..fabb1a0cb
--- /dev/null
+++ b/winsup/mingw/mingwex/complex/cexpf.c
@@ -0,0 +1,19 @@
+/*
+   cexpf.c
+   Contributed by Danny Smith
+   2004-12-24
+*/
+
+#include <math.h>
+#include <complex.h>
+
+/* cexp (x + I * y) = exp (x) * cos (y) + I * exp (x) * sin (y) */
+
+float complex cexpf (float complex Z)
+{
+  float complex  Res;
+  double rho = exp (__real__ Z);
+  __real__ Res = rho * cosf(__imag__ Z);
+  __imag__ Res = rho * sinf(__imag__ Z);
+  return Res;
+}