1 files changed, 19 insertions, 0 deletions
diff --git a/libf2c/libF77/z_cos.c b/libf2c/libF77/z_cos.c
new file mode 100644
index 00000000000..a811bbecc65
--- /dev/null
+++ b/libf2c/libF77/z_cos.c
@@ -0,0 +1,19 @@
+#include "f2c.h"
+
+#ifdef KR_headers
+double sin(), cos(), sinh(), cosh();
+VOID z_cos(resx, z) doublecomplex *resx, *z;
+#else
+#undef abs
+#include <math.h>
+void z_cos(doublecomplex *resx, doublecomplex *z)
+#endif
+{
+doublecomplex res;
+
+res.r = cos(z->r) * cosh(z->i);
+res.i = - sin(z->r) * sinh(z->i);
+
+resx->r = res.r;
+resx->i = res.i;
+}