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diff src/build-msvctools/compat/ccos.c @ 3061:f8299bb6c872

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Initial support for native MSVC compilation. * add MSVC support files: compiler wrappers and support libraries * adapt libiconv to work with MSVC * adapt gettext to work with MSVC
author Michael Goffioul <michael.goffioul@gmail.com>
date Mon, 17 Jun 2013 22:43:11 -0400
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/build-msvctools/compat/ccos.c	Mon Jun 17 22:43:11 2013 -0400
@@ -0,0 +1,20 @@
+/*
+   ccos.c
+   Contributed by Danny Smith
+   2003-10-20
+*/
+
+#include <math.h>
+#include <complex.h>
+
+/* ccos (x + I * y) = cos (x) * cosh (y)
+    + I * (sin (x) * sinh (y)) */ 
+
+
+double complex ccos (double complex Z)
+{
+  double complex Res;
+  __real__ Res = cos (__real__ Z) * cosh ( __imag__ Z);
+  __imag__ Res = -sin (__real__ Z) * sinh ( __imag__ Z);
+  return Res;
+}