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authorsvn2git <svn2git@FreeBSD.org>1994-05-01 08:00:00 +0000
committersvn2git <svn2git@FreeBSD.org>1994-05-01 08:00:00 +0000
commita16f65c7d117419bd266c28a1901ef129a337569 (patch)
tree2626602f66dc3551e7a7c7bc9ad763c3bc7ab40a /lib/libF77/c_sin.c
parent8503f4f13f77abf7adc8f7e329c6f9c1d52b6a20 (diff)
Diffstat (limited to 'lib/libF77/c_sin.c')
-rw-r--r--lib/libF77/c_sin.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/libF77/c_sin.c b/lib/libF77/c_sin.c
new file mode 100644
index 000000000000..ffdef1d171fc
--- /dev/null
+++ b/lib/libF77/c_sin.c
@@ -0,0 +1,16 @@
+#include "f2c.h"
+
+#ifdef KR_headers
+extern double sin(), cos(), sinh(), cosh();
+
+VOID c_sin(r, z) complex *r, *z;
+#else
+#undef abs
+#include "math.h"
+
+void c_sin(complex *r, complex *z)
+#endif
+{
+r->r = sin(z->r) * cosh(z->i);
+r->i = cos(z->r) * sinh(z->i);
+}