new file mode 100644
--- /dev/null
+++ b/src/OPERATORS/op-cs-cs.cc
@@ -0,0 +1,194 @@
+/*
+
+Copyright (C) 1996, 1997 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave 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 General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#if defined (__GNUG__)
+#pragma implementation
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "gripes.h"
+#include "ov.h"
+#include "ov-complex.h"
+#include "ov-cx-mat.h"
+#include "ov-typeinfo.h"
+#include "ops.h"
+#include "xdiv.h"
+#include "xpow.h"
+
+// complex scalar by complex scalar ops.
+
+DEFBINOP_OP (add, complex, complex, +)
+DEFBINOP_OP (sub, complex, complex, -)
+DEFBINOP_OP (mul, complex, complex, *)
+
+DEFBINOP (div, complex, complex)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_complex&);
+
+  Complex d = v2.complex_value ();
+
+  if (d == 0.0)
+    gripe_divide_by_zero ();
+
+  return octave_value (v1.complex_value () / d);
+}
+
+DEFBINOP_FN (pow, complex, complex, xpow)
+
+DEFBINOP (ldiv, complex, complex)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_complex&);
+
+  Complex d = v1.complex_value ();
+
+  if (d == 0.0)
+    gripe_divide_by_zero ();
+
+  return octave_value (v2.complex_value () / d);
+}
+
+DEFBINOP (lt, complex, complex)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_complex&);
+
+  return real (v1.complex_value ()) < real (v2.complex_value ());
+}
+
+DEFBINOP (le, complex, complex)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_complex&);
+
+  return real (v1.complex_value ()) <= real (v2.complex_value ());
+}
+
+DEFBINOP (eq, complex, complex)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_complex&);
+
+  return v1.complex_value () == v2.complex_value ();
+}
+
+DEFBINOP (ge, complex, complex)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_complex&);
+
+  return real (v1.complex_value ()) >= real (v2.complex_value ());
+}
+
+DEFBINOP (gt, complex, complex)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_complex&);
+
+  return real (v1.complex_value ()) > real (v2.complex_value ());
+}
+
+DEFBINOP (ne, complex, complex)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_complex&);
+
+  return v1.complex_value () != v2.complex_value ();
+}
+
+DEFBINOP_OP (el_mul, complex, complex, *)
+
+DEFBINOP (el_div, complex, complex)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_complex&);
+
+  Complex d = v2.complex_value ();
+
+  if (d == 0.0)
+    gripe_divide_by_zero ();
+
+  return octave_value (v1.complex_value () / d);
+}
+
+DEFBINOP_FN (el_pow, complex, complex, xpow)
+
+DEFBINOP (el_ldiv, complex, complex)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_complex&);
+
+  Complex d = v1.complex_value ();
+
+  if (d == 0.0)
+    gripe_divide_by_zero ();
+
+  return octave_value (v2.complex_value () / d);
+}
+
+DEFBINOP (el_and, complex, complex)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_complex&);
+
+  return v1.complex_value () != 0.0 && v2.complex_value () != 0.0;
+}
+
+DEFBINOP (el_or, complex, complex)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_complex&);
+
+  return v1.complex_value () != 0.0 || v2.complex_value () != 0.0;
+}
+
+DEFCONV (complex_matrix_conv, complex, complex_matrix)
+{
+  CAST_CONV_ARG (const octave_complex&);
+
+  return new octave_complex_matrix (v.complex_matrix_value ());
+}
+
+void
+install_cs_cs_ops (void)
+{
+  INSTALL_BINOP (add, octave_complex, octave_complex, add);
+  INSTALL_BINOP (sub, octave_complex, octave_complex, sub);
+  INSTALL_BINOP (mul, octave_complex, octave_complex, mul);
+  INSTALL_BINOP (div, octave_complex, octave_complex, div);
+  INSTALL_BINOP (pow, octave_complex, octave_complex, pow);
+  INSTALL_BINOP (ldiv, octave_complex, octave_complex, ldiv);
+  INSTALL_BINOP (lt, octave_complex, octave_complex, lt);
+  INSTALL_BINOP (le, octave_complex, octave_complex, le);
+  INSTALL_BINOP (eq, octave_complex, octave_complex, eq);
+  INSTALL_BINOP (ge, octave_complex, octave_complex, ge);
+  INSTALL_BINOP (gt, octave_complex, octave_complex, gt);
+  INSTALL_BINOP (ne, octave_complex, octave_complex, ne);
+  INSTALL_BINOP (el_mul, octave_complex, octave_complex, el_mul);
+  INSTALL_BINOP (el_div, octave_complex, octave_complex, el_div);
+  INSTALL_BINOP (el_pow, octave_complex, octave_complex, el_pow);
+  INSTALL_BINOP (el_ldiv, octave_complex, octave_complex, el_ldiv);
+  INSTALL_BINOP (el_and, octave_complex, octave_complex, el_and);
+  INSTALL_BINOP (el_or, octave_complex, octave_complex, el_or);
+
+  INSTALL_ASSIGNCONV (octave_complex, octave_complex, octave_complex_matrix);
+
+  INSTALL_WIDENOP (octave_complex, octave_complex_matrix, complex_matrix_conv);
+}
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/