1 files changed, 71 insertions, 0 deletions
diff --git a/libgfortran/generated/trig_c4.c b/libgfortran/generated/trig_c4.c
new file mode 100644
index 00000000000..14d12c40144
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+++ b/libgfortran/generated/trig_c4.c
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+/* Complex trig functions
+   Copyright 2002 Free Software Foundation, Inc.
+   Contributed by Paul Brook <paul@nowt.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfor).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+Libgfortran is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with libgfor; see the file COPYING.LIB.  If not,
+write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+#include <math.h>
+#include "libgfortran.h"
+
+
+/* Complex number z = a + ib.  */
+
+/* sin(z) = sin(a)cosh(b) + icos(a)sinh(b)  */
+GFC_COMPLEX_4
+csinf (GFC_COMPLEX_4 a)
+{
+  GFC_REAL_4 r;
+  GFC_REAL_4 i;
+  GFC_COMPLEX_4 v;
+
+  r = REALPART (a);
+  i = IMAGPART (a);
+  COMPLEX_ASSIGN (v, sinf (r) * coshf (i), cosf (r) * sinhf (i));
+  return v;
+}
+
+/* cos(z) = cos(a)cosh(b) - isin(a)sinh(b)  */
+GFC_COMPLEX_4
+ccosf (GFC_COMPLEX_4 a)
+{
+  GFC_REAL_4 r;
+  GFC_REAL_4 i;
+  GFC_COMPLEX_4 v;
+
+  r = REALPART (a);
+  i = IMAGPART (a);
+  COMPLEX_ASSIGN (v, cosf (r) * coshf (i), - (sinf (r) * sinhf (i)));
+  return v;
+}
+
+/* tan(z) = (tan(a) + itanh(b)) / (1 - itan(a)tanh(b))  */
+GFC_COMPLEX_4
+ctanf (GFC_COMPLEX_4 a)
+{
+  GFC_REAL_4 rt;
+  GFC_REAL_4 it;
+  GFC_COMPLEX_4 n;
+  GFC_COMPLEX_4 d;
+
+  rt = tanf (REALPART (a));
+  it = tanhf (IMAGPART (a));
+  COMPLEX_ASSIGN (n, rt, it);
+  COMPLEX_ASSIGN (d , 1, - (rt * it));
+
+  return n / d;
+}
+