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authorlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>1998-02-01 01:37:08 +0000
committerlaw <law@138bc75d-0d04-0410-961f-82ee72b054a4>1998-02-01 01:37:08 +0000
commita9fe81af3b8d02e1529b3f1f2a679b93cd9c36e1 (patch)
tree4b30cdf598ee6a8b24903fba52bb3e0c06bf459b /libf2c/libF77/z_exp.c
parent9682c2b47acc059592d168a09c7162f2bf333ee2 (diff)
downloadgcc-a9fe81af3b8d02e1529b3f1f2a679b93cd9c36e1.tar.gz
* Previous contents of gcc/f/runtime moved into toplevel
"libf2c" directory. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@17568 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libf2c/libF77/z_exp.c')
-rw-r--r--libf2c/libF77/z_exp.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/libf2c/libF77/z_exp.c b/libf2c/libF77/z_exp.c
new file mode 100644
index 00000000000..85fb63e4209
--- /dev/null
+++ b/libf2c/libF77/z_exp.c
@@ -0,0 +1,21 @@
+#include "f2c.h"
+
+#ifdef KR_headers
+double exp(), cos(), sin();
+VOID z_exp(resx, z) doublecomplex *resx, *z;
+#else
+#undef abs
+#include <math.h>
+void z_exp(doublecomplex *resx, doublecomplex *z)
+#endif
+{
+double expx;
+doublecomplex res;
+
+expx = exp(z->r);
+res.r = expx * cos(z->i);
+res.i = expx * sin(z->i);
+
+resx->r = res.r;
+resx->i = res.i;
+}