Mercurial > hg > octave-nkf
view liboctave/dbleDET.cc @ 5403:7bdddf96f028
[project @ 2005-07-07 16:46:23 by jwe]
author | jwe |
---|---|
date | Thu, 07 Jul 2005 16:46:24 +0000 |
parents | 4c8a2e4e0717 |
children | 4b45b2bcda89 |
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/* 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <cfloat> #include <cmath> #include "dbleDET.h" int DET::value_will_overflow (void) const { return det[1] + 1 > log10 (DBL_MAX) ? 1 : 0; } int DET::value_will_underflow (void) const { return det[1] - 1 < log10 (DBL_MIN) ? 1 : 0; } double DET::coefficient (void) const { return det[0]; } int DET::exponent (void) const { return (int) det[1]; } double DET::value (void) const { return det[0] * pow (10.0, det[1]); } /* ;;; Local Variables: *** ;;; mode: C++ *** ;;; End: *** */