new file mode 100644
--- /dev/null
+++ b/liboctave/CMatrix.h
@@ -0,0 +1,287 @@
+//                                  -*- C++ -*-
+/*
+
+Copyright (C) 1992, 1993, 1994 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#if !defined (octave_ComplexMatrix_h)
+#define octave_ComplexMatrix_h 1
+
+#if defined (__GNUG__)
+#pragma interface
+#endif
+
+#include <Complex.h>
+
+#include "Array.h"
+
+#include "mx-defs.h"
+
+extern "C++" {
+
+class ComplexMatrix : public Array2<Complex>
+{
+friend class ComplexLU;
+friend class ComplexSVD;
+
+public:
+ 
+  ComplexMatrix (void) : Array2<Complex> () { }
+  ComplexMatrix (int r, int c) : Array2<Complex> (r, c) { }
+  ComplexMatrix (int r, int c, const Complex& val)
+    : Array2<Complex> (r, c, val) { }
+  ComplexMatrix (const Matrix& a);
+  ComplexMatrix (const Array2<Complex>& a) : Array2<Complex> (a) { }
+  ComplexMatrix (const ComplexMatrix& a) : Array2<Complex> (a) { }
+  ComplexMatrix (const DiagMatrix& a);
+  ComplexMatrix (const DiagArray<Complex>& a) : Array2<Complex> (a) { }
+  ComplexMatrix (const ComplexDiagMatrix& a);
+//  ComplexMatrix (double a) : Array2<Complex> (1, 1, a) { }
+//  ComplexMatrix (const Complex& a) : Array2<Complex> (1, 1, a) { }
+
+  ComplexMatrix& operator = (const ComplexMatrix& a)
+    {
+      Array2<Complex>::operator = (a);
+      return *this;
+    }
+
+//  operator Array2<Complex>& () const { return *this; }
+
+  int operator == (const ComplexMatrix& a) const;
+  int operator != (const ComplexMatrix& a) const;
+
+// destructive insert/delete/reorder operations
+
+  ComplexMatrix& insert (const Matrix& a, int r, int c);
+  ComplexMatrix& insert (const RowVector& a, int r, int c);
+  ComplexMatrix& insert (const ColumnVector& a, int r, int c);
+  ComplexMatrix& insert (const DiagMatrix& a, int r, int c);
+
+  ComplexMatrix& insert (const ComplexMatrix& a, int r, int c);
+  ComplexMatrix& insert (const ComplexRowVector& a, int r, int c);
+  ComplexMatrix& insert (const ComplexColumnVector& a, int r, int c);
+  ComplexMatrix& insert (const ComplexDiagMatrix& a, int r, int c);
+
+  ComplexMatrix& fill (double val);
+  ComplexMatrix& fill (const Complex& val);
+  ComplexMatrix& fill (double val, int r1, int c1, int r2, int c2);
+  ComplexMatrix& fill (const Complex& val, int r1, int c1, int r2, int c2);
+
+  ComplexMatrix append (const Matrix& a) const;
+  ComplexMatrix append (const RowVector& a) const;
+  ComplexMatrix append (const ColumnVector& a) const;
+  ComplexMatrix append (const DiagMatrix& a) const;
+
+  ComplexMatrix append (const ComplexMatrix& a) const;
+  ComplexMatrix append (const ComplexRowVector& a) const;
+  ComplexMatrix append (const ComplexColumnVector& a) const;
+  ComplexMatrix append (const ComplexDiagMatrix& a) const;
+
+  ComplexMatrix stack (const Matrix& a) const;
+  ComplexMatrix stack (const RowVector& a) const;
+  ComplexMatrix stack (const ColumnVector& a) const;
+  ComplexMatrix stack (const DiagMatrix& a) const;
+
+  ComplexMatrix stack (const ComplexMatrix& a) const;
+  ComplexMatrix stack (const ComplexRowVector& a) const;
+  ComplexMatrix stack (const ComplexColumnVector& a) const;
+  ComplexMatrix stack (const ComplexDiagMatrix& a) const;
+
+  ComplexMatrix hermitian (void) const;  // complex conjugate transpose
+  ComplexMatrix transpose (void) const;
+
+  friend Matrix real (const ComplexMatrix& a);
+  friend Matrix imag (const ComplexMatrix& a);
+  friend ComplexMatrix conj (const ComplexMatrix& a);
+
+// resize is the destructive equivalent for this one
+
+  ComplexMatrix extract (int r1, int c1, int r2, int c2) const;
+
+// extract row or column i.
+
+  ComplexRowVector row (int i) const;
+  ComplexRowVector row (char *s) const;
+
+  ComplexColumnVector column (int i) const;
+  ComplexColumnVector column (char *s) const;
+
+  ComplexMatrix inverse (void) const;
+  ComplexMatrix inverse (int& info) const;
+  ComplexMatrix inverse (int& info, double& rcond) const;
+
+  ComplexMatrix fourier (void) const;
+  ComplexMatrix ifourier (void) const;
+
+  ComplexDET determinant (void) const;
+  ComplexDET determinant (int& info) const;
+  ComplexDET determinant (int& info, double& rcond) const;
+
+  ComplexMatrix solve (const Matrix& b) const;
+  ComplexMatrix solve (const Matrix& b, int& info) const;
+  ComplexMatrix solve (const Matrix& b, int& info, double& rcond) const;
+
+  ComplexMatrix solve (const ComplexMatrix& b) const;
+  ComplexMatrix solve (const ComplexMatrix& b, int& info) const;
+  ComplexMatrix solve (const ComplexMatrix& b, int& info, double& rcond) const;
+
+  ComplexColumnVector solve (const ComplexColumnVector& b) const;
+  ComplexColumnVector solve (const ComplexColumnVector& b, int& info) const;
+  ComplexColumnVector solve (const ComplexColumnVector& b, int& info,
+			     double& rcond) const;
+
+  ComplexMatrix lssolve (const ComplexMatrix& b) const;
+  ComplexMatrix lssolve (const ComplexMatrix& b, int& info) const;
+  ComplexMatrix lssolve (const ComplexMatrix& b, int& info,
+			 int& rank) const;
+
+  ComplexColumnVector lssolve (const ComplexColumnVector& b) const;
+  ComplexColumnVector lssolve (const ComplexColumnVector& b, int& info) const;
+  ComplexColumnVector lssolve (const ComplexColumnVector& b, int& info,
+			       int& rank) const;
+
+// matrix by diagonal matrix -> matrix operations
+
+  ComplexMatrix& operator += (const DiagMatrix& a);
+  ComplexMatrix& operator -= (const DiagMatrix& a);
+
+  ComplexMatrix& operator += (const ComplexDiagMatrix& a);
+  ComplexMatrix& operator -= (const ComplexDiagMatrix& a);
+
+// matrix by matrix -> matrix operations
+
+  ComplexMatrix& operator += (const Matrix& a);
+  ComplexMatrix& operator -= (const Matrix& a);
+
+  ComplexMatrix& operator += (const ComplexMatrix& a);
+  ComplexMatrix& operator -= (const ComplexMatrix& a);
+
+// unary operations
+
+  Matrix operator ! (void) const;
+
+// matrix by scalar -> matrix operations
+
+  friend ComplexMatrix operator + (const ComplexMatrix& a, double s);
+  friend ComplexMatrix operator - (const ComplexMatrix& a, double s);
+  friend ComplexMatrix operator * (const ComplexMatrix& a, double s);
+  friend ComplexMatrix operator / (const ComplexMatrix& a, double s);
+
+// scalar by matrix -> matrix operations
+
+  friend ComplexMatrix operator + (double s, const ComplexMatrix& a);
+  friend ComplexMatrix operator - (double s, const ComplexMatrix& a);
+  friend ComplexMatrix operator * (double s, const ComplexMatrix& a);
+  friend ComplexMatrix operator / (double s, const ComplexMatrix& a);
+
+// matrix by column vector -> column vector operations
+
+  friend ComplexColumnVector operator * (const ComplexMatrix& a,
+					 const ColumnVector& b);
+
+  friend ComplexColumnVector operator * (const ComplexMatrix& a,
+					 const ComplexColumnVector& b);
+
+// matrix by diagonal matrix -> matrix operations
+
+  friend ComplexMatrix operator + (const ComplexMatrix& a,
+				   const DiagMatrix& b);
+  friend ComplexMatrix operator - (const ComplexMatrix& a,
+				   const DiagMatrix& b);
+  friend ComplexMatrix operator * (const ComplexMatrix& a,
+				   const DiagMatrix& b);
+
+  friend ComplexMatrix operator + (const ComplexMatrix& a,
+				   const ComplexDiagMatrix& b);
+  friend ComplexMatrix operator - (const ComplexMatrix& a,
+				   const ComplexDiagMatrix& b);
+  friend ComplexMatrix operator * (const ComplexMatrix& a,
+				   const ComplexDiagMatrix& b);
+
+// matrix by matrix -> matrix operations
+
+  friend ComplexMatrix operator + (const ComplexMatrix& a, const Matrix& b);
+  friend ComplexMatrix operator - (const ComplexMatrix& a, const Matrix& b);
+
+  friend ComplexMatrix operator * (const ComplexMatrix& a, const Matrix& b);
+  friend ComplexMatrix operator * (const ComplexMatrix& a,
+				   const ComplexMatrix& b);
+
+  friend ComplexMatrix product (const ComplexMatrix& a, const Matrix& b);
+  friend ComplexMatrix quotient (const ComplexMatrix& a, const Matrix& b);
+
+// other operations
+
+  friend ComplexMatrix map (c_c_Mapper f, const ComplexMatrix& a);
+  friend Matrix map (d_c_Mapper f, const ComplexMatrix& a);
+  void map (c_c_Mapper f);
+
+  Matrix all (void) const;
+  Matrix any (void) const;
+
+  ComplexMatrix cumprod (void) const;
+  ComplexMatrix cumsum (void) const;
+  ComplexMatrix prod (void) const;
+  ComplexMatrix sum (void) const;
+  ComplexMatrix sumsq (void) const;
+
+  ComplexColumnVector diag (void) const;
+  ComplexColumnVector diag (int k) const;
+
+  ComplexColumnVector row_min (void) const;
+  ComplexColumnVector row_min_loc (void) const;
+
+  ComplexColumnVector row_max (void) const;
+  ComplexColumnVector row_max_loc (void) const;
+
+  ComplexRowVector column_min (void) const;
+  ComplexRowVector column_min_loc (void) const;
+
+  ComplexRowVector column_max (void) const;
+  ComplexRowVector column_max_loc (void) const;
+
+// i/o
+
+  friend ostream& operator << (ostream& os, const ComplexMatrix& a);
+  friend istream& operator >> (istream& is, ComplexMatrix& a);
+
+#define KLUDGE_MATRICES
+#define TYPE Complex
+#define KL_MAT_TYPE ComplexMatrix
+#include "mx-kludge.h"
+#undef KLUDGE_MATRICES
+#undef TYPE
+#undef KL_MAT_TYPE
+
+private:
+
+  ComplexMatrix (Complex *d, int r, int c) : Array2<Complex> (d, r, c) { }
+};
+
+} // extern "C++"
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; page-delimiter: "^/\\*" ***
+;;; End: ***
+*/