From fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 Mon Sep 17 00:00:00 2001
From: Joseph Hunkeler <jhunkeler@gmail.com>
Date: Wed, 8 Jul 2015 20:46:52 -0400
Subject: Initial commit

---
 unix/f2c/libf2c/z_exp.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 unix/f2c/libf2c/z_exp.c

(limited to 'unix/f2c/libf2c/z_exp.c')

diff --git a/unix/f2c/libf2c/z_exp.c b/unix/f2c/libf2c/z_exp.c
new file mode 100644
index 00000000..7b8edfec
--- /dev/null
+++ b/unix/f2c/libf2c/z_exp.c
@@ -0,0 +1,23 @@
+#include "f2c.h"
+
+#ifdef KR_headers
+double exp(), cos(), sin();
+VOID z_exp(r, z) doublecomplex *r, *z;
+#else
+#undef abs
+#include "math.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+void z_exp(doublecomplex *r, doublecomplex *z)
+#endif
+{
+	double expx, zi = z->i;
+
+	expx = exp(z->r);
+	r->r = expx * cos(zi);
+	r->i = expx * sin(zi);
+	}
+#ifdef __cplusplus
+}
+#endif
-- 
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