new file mode 100644
--- /dev/null
+++ b/src/OPERATORS/op-cs-m.cc
@@ -0,0 +1,133 @@
+/*
+
+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 "mx-cs-m.h"
+#include "mx-m-cs.h"
+
+#include "gripes.h"
+#include "ov.h"
+#include "ov-complex.h"
+#include "ov-cx-mat.h"
+#include "ov-re-mat.h"
+#include "ov-typeinfo.h"
+#include "ops.h"
+#include "xdiv.h"
+#include "xpow.h"
+
+// complex scalar by matrix ops.
+
+DEFBINOP_OP (add, complex, matrix, +)
+DEFBINOP_OP (sub, complex, matrix, -)
+DEFBINOP_OP (mul, complex, matrix, *)
+
+DEFBINOP (div, complex, matrix)
+{
+  BINOP_NONCONFORMANT ("operator /");
+}
+
+DEFBINOP_FN (pow, complex, matrix, xpow)
+
+DEFBINOP (ldiv, complex, matrix)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_matrix&);
+
+  Complex d = v1.complex_value ();
+
+  if (d == 0.0)
+    gripe_divide_by_zero ();
+
+  return octave_value (v2.matrix_value () / d);
+}
+
+DEFBINOP_FN (lt, complex, matrix, mx_el_lt)
+DEFBINOP_FN (le, complex, matrix, mx_el_le)
+DEFBINOP_FN (eq, complex, matrix, mx_el_eq)
+DEFBINOP_FN (ge, complex, matrix, mx_el_ge)
+DEFBINOP_FN (gt, complex, matrix, mx_el_gt)
+DEFBINOP_FN (ne, complex, matrix, mx_el_ne)
+
+DEFBINOP_OP (el_mul, complex, matrix, *)
+DEFBINOP_FN (el_div, complex, matrix, x_el_div)
+DEFBINOP_FN (el_pow, complex, matrix, elem_xpow)
+
+DEFBINOP (el_ldiv, complex, matrix)
+{
+  CAST_BINOP_ARGS (const octave_complex&, const octave_matrix&);
+
+  Complex d = v1.complex_value ();
+
+  if (d == 0.0)
+    gripe_divide_by_zero ();
+
+  return octave_value (v2.matrix_value () / d);
+}
+
+DEFBINOP_FN (el_and, complex, matrix, mx_el_and)
+DEFBINOP_FN (el_or, complex, matrix, mx_el_or)
+
+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_m_ops (void)
+{
+  INSTALL_BINOP (add, octave_complex, octave_matrix, add);
+  INSTALL_BINOP (sub, octave_complex, octave_matrix, sub);
+  INSTALL_BINOP (mul, octave_complex, octave_matrix, mul);
+  INSTALL_BINOP (div, octave_complex, octave_matrix, div);
+  INSTALL_BINOP (pow, octave_complex, octave_matrix, pow);
+  INSTALL_BINOP (ldiv, octave_complex, octave_matrix, ldiv);
+  INSTALL_BINOP (lt, octave_complex, octave_matrix, lt);
+  INSTALL_BINOP (le, octave_complex, octave_matrix, le);
+  INSTALL_BINOP (eq, octave_complex, octave_matrix, eq);
+  INSTALL_BINOP (ge, octave_complex, octave_matrix, ge);
+  INSTALL_BINOP (gt, octave_complex, octave_matrix, gt);
+  INSTALL_BINOP (ne, octave_complex, octave_matrix, ne);
+  INSTALL_BINOP (el_mul, octave_complex, octave_matrix, el_mul);
+  INSTALL_BINOP (el_div, octave_complex, octave_matrix, el_div);
+  INSTALL_BINOP (el_pow, octave_complex, octave_matrix, el_pow);
+  INSTALL_BINOP (el_ldiv, octave_complex, octave_matrix, el_ldiv);
+  INSTALL_BINOP (el_and, octave_complex, octave_matrix, el_and);
+  INSTALL_BINOP (el_or, octave_complex, octave_matrix, el_or);
+
+  INSTALL_ASSIGNCONV (octave_complex, octave_matrix, octave_complex_matrix);
+
+  INSTALL_WIDENOP (octave_complex, octave_complex_matrix, complex_matrix_conv);
+}
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/