Mercurial > octave-nkf
view liboctave/numeric/dbleHESS.h @ 20643:d6d04088ac9e
nbininv.m: Increase speed (85X) and accuracy of function (bug #34363).
* nbininv.m: Call new function scalar_nbininv to calculate nbininv for scalar.
If there are still uncalculated values then call bin_search_nbininv. Call
bin_search_nbininv directly for vectors. Add more BIST tests.
* nbininv.m (scalar_binoinv): New subfunction to calculate nbininv for scalar x.
Stops when x > 1000.
* nbininv.m (bin_search_nbininv): New subfunction to do binary search for nbininv.
author | Lachlan Andrew <lachlanbis@gmail.com> |
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date | Sun, 11 Oct 2015 20:33:37 -0700 |
parents | 4197fc428c7d |
children |
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/* Copyright (C) 1994-2015 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */ #if !defined (octave_dbleHESS_h) #define octave_dbleHESS_h 1 #include <iosfwd> #include "dMatrix.h" class OCTAVE_API HESS { public: HESS (void) : hess_mat (), unitary_hess_mat () { } HESS (const Matrix& a) : hess_mat (), unitary_hess_mat () { init (a); } HESS (const Matrix& a, octave_idx_type& info) : hess_mat (), unitary_hess_mat () { info = init (a); } HESS (const HESS& a) : hess_mat (a.hess_mat), unitary_hess_mat (a.unitary_hess_mat) { } HESS& operator = (const HESS& a) { if (this != &a) { hess_mat = a.hess_mat; unitary_hess_mat = a.unitary_hess_mat; } return *this; } ~HESS (void) { } Matrix hess_matrix (void) const { return hess_mat; } Matrix unitary_hess_matrix (void) const { return unitary_hess_mat; } friend std::ostream& operator << (std::ostream& os, const HESS& a); private: Matrix hess_mat; Matrix unitary_hess_mat; octave_idx_type init (const Matrix& a); }; #endif