diff liboctave/dbleDET.h @ 457:3d4b4f0fa5ba

[project @ 1994-06-06 00:33:33 by jwe] Initial revision
author jwe
date Mon, 06 Jun 1994 00:33:51 +0000
parents
children 2ca256b77602
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/liboctave/dbleDET.h	Mon Jun 06 00:33:51 1994 +0000
@@ -0,0 +1,92 @@
+//                                  -*- 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_DET_h)
+#define octave_DET_h 1
+
+#if defined (__GNUG__)
+#pragma interface
+#endif
+
+class ostream;
+
+extern "C++" {
+
+class DET
+{
+public:
+
+  DET (void);
+
+  DET (const DET& a);
+
+  DET& operator = (const DET& a);
+
+  int value_will_overflow (void) const;
+  int value_will_underflow (void) const;
+  double coefficient (void) const;
+  int exponent (void) const;
+  double value (void) const;
+
+  friend ostream&  operator << (ostream& os, const DET& a);
+
+private:
+
+  DET (const double *d);
+
+  double det [2];
+};
+
+inline DET::DET (void)
+{
+}
+
+inline DET::DET (const DET& a)
+{
+  det[0] = a.det[0];
+  det[1] = a.det[1];
+}
+
+inline DET& DET::operator = (const DET& a)
+{
+  det[0] = a.det[0];
+  det[1] = a.det[1];
+  return *this;
+}
+
+inline DET::DET (const double *d)
+{
+  det[0] = d[0];
+  det[1] = d[1];
+}
+
+} // extern "C++"
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; page-delimiter: "^/\\*" ***
+;;; End: ***
+*/