1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/f/runtime/libF77/c_exp.c b/gcc/f/runtime/libF77/c_exp.c
new file mode 100644
index 00000000000..8d3d33d0fe3
--- /dev/null
+++ b/gcc/f/runtime/libF77/c_exp.c
@@ -0,0 +1,23 @@
+#include "f2c.h"
+
+#ifdef KR_headers
+extern double exp(), cos(), sin();
+
+ VOID c_exp(resx, z) complex *resx, *z;
+#else
+#undef abs
+#include <math.h>
+
+void c_exp(complex *resx, complex *z)
+#endif
+{
+double expx;
+complex 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;
+}