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rAKA/src/io/parser/parser_random.cc
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parser_random.cc
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/**
* @file parser_random.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Thu Feb 21 2013
* @date last modification: Mon Dec 07 2015
*
* @brief implementation of the parser
*
* @section LICENSE
*
* Copyright (©) 2014, 2015 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
#if defined(__INTEL_COMPILER)
//#pragma warning ( disable : 383 )
#elif defined(__clang__) // test clang to be sure that when we test for gnu it
// is only gnu
#elif (defined(__GNUC__) || defined(__GNUG__))
#define GCC_VERSION \
(__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
#if GCC_VERSION > 40600
#pragma GCC diagnostic push
#endif
#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
#endif
/* -------------------------------------------------------------------------- */
#include "parser.hh"
#include "parser_grammar_tmpl.hh"
/* -------------------------------------------------------------------------- */
#include "algebraic_parser.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
RandomParameter<Real>
Parser::parseRandomParameter(const std::string & value,
const ParserSection & section) {
using boost::spirit::ascii::space_type;
parser::RandomGeneratorGrammar<std::string::const_iterator, space_type>
grammar(section);
grammar.name("random_grammar");
parser::ParsableRandomGenerator rg =
Parser::parseType<parser::ParsableRandomGenerator>(value, grammar);
Vector<Real> params = rg.parameters;
switch (rg.type) {
case _rdt_not_defined:
return RandomParameter<Real>(rg.base,
std::uniform_real_distribution<Real>(0, 0));
case _rdt_uniform:
return RandomParameter<Real>(
rg.base, std::uniform_real_distribution<Real>(params(0), params(1)));
case _rdt_exponential:
return RandomParameter<Real>(
rg.base, std::exponential_distribution<Real>(params(0)));
case _rdt_gamma:
return RandomParameter<Real>(
rg.base, std::gamma_distribution<Real>(params(0), params(1)));
case _rdt_weibull:
return RandomParameter<Real>(
rg.base, std::weibull_distribution<Real>(params(1), params(0)));
case _rdt_extreme_value:
return RandomParameter<Real>(
rg.base, std::extreme_value_distribution<Real>(params(0), params(1)));
case _rdt_normal:
return RandomParameter<Real>(
rg.base, std::normal_distribution<Real>(params(0), params(1)));
case _rdt_lognormal:
return RandomParameter<Real>(
rg.base, std::lognormal_distribution<Real>(params(0), params(1)));
case _rdt_chi_squared:
return RandomParameter<Real>(
rg.base, std::chi_squared_distribution<Real>(params(0)));
case _rdt_cauchy:
return RandomParameter<Real>(
rg.base, std::cauchy_distribution<Real>(params(0), params(1)));
case _rdt_fisher_f:
return RandomParameter<Real>(
rg.base, std::fisher_f_distribution<Real>(params(0), params(1)));
case _rdt_student_t:
return RandomParameter<Real>(rg.base,
std::student_t_distribution<Real>(params(0)));
default:
AKANTU_EXCEPTION("This is an unknown random distribution in the parser");
}
}
/* -------------------------------------------------------------------------- */
} // namespace akantu
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