Mercurial > hg > octave-lyh
view liboctave/dbleDET.cc @ 985:4b483cf9f6b0
[project @ 1994-12-14 18:06:38 by jwe]
author | jwe |
---|---|
date | Wed, 14 Dec 1994 18:06:38 +0000 |
parents | 714fd17fca28 |
children | 18933dbd5e43 |
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// -*- 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. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <math.h> #include <float.h> #include "dbleDET.h" int DET::value_will_overflow (void) const { return det[2] + 1 > log10 (DBL_MAX) ? 1 : 0; } int DET::value_will_underflow (void) const { return det[2] - 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++ *** ;;; page-delimiter: "^/\\*" *** ;;; End: *** */