95 lines
2.7 KiB
C++
95 lines
2.7 KiB
C++
/*
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The Evolving Distribution Objects framework (EDO) is a template-based,
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ANSI-C++ evolutionary computation library which helps you to write your
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own estimation of distribution algorithms.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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Copyright (C) 2020 Thales group
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*/
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/*
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Authors:
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Johann Dréo <johann.dreo@thalesgroup.com>
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*/
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#ifndef _edoContAdaptiveFinite_h
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#define _edoContAdaptiveFinite_h
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#include "edoContinue.h"
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/** A continuator that check if any element in the parameters
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* of an edoNormalAdaptive distribution are finite
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*
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* If any element of any parameter is infinity or NaN (Not A Number),
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* it will ask for a stop.
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*
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* @ingroup Continuators
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*/
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template<class D>
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class edoContAdaptiveFinite : public edoContinue<D>
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{
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public:
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using EOType = typename D::EOType;
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using Matrix = typename D::Matrix;
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using Vector = typename D::Vector;
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bool operator()(const D& d)
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{
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// Try to finite_check in most probably ill-conditioned order.
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return finite_check(d.covar())
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and finite_check(d.path_covar())
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and finite_check(d.coord_sys())
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and finite_check(d.scaling())
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and finite_check(d.path_sigma())
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and finite_check(d.sigma())
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;
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}
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virtual std::string className() const { return "edoContAdaptiveFinite"; }
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protected:
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bool finite_check(const Matrix& mat) const
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{
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for(long i=0; i<mat.rows(); ++i) {
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for(long j=0; j<mat.cols(); ++j) {
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if(not finite_check(mat(i,j))) {
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return false;
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}
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}
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}
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return true;
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}
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bool finite_check(const Vector& vec) const
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{
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for(long i=0; i<vec.size(); ++i) {
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if(not finite_check(vec[i])) {
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return false;
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}
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}
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return true;
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}
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bool finite_check(const typename EOType::AtomType& x) const
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{
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if(not std::isfinite(x)) {
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return false;
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} else {
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return true;
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}
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}
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};
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#endif
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