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Tue, Nov 12, 17:56

units_converter.cc
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/**
* @file units_converter.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date Mon Oct 28 19:23:14 2013
*
* @brief This is the units converter of LM
*
* @section LICENSE
*
* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* LibMultiScale 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.
*
* LibMultiScale 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 LibMultiScale. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "units_converter.hh"
#include "lm_common.hh"
#include <limits>
/* -------------------------------------------------------------------------- */
__BEGIN_LIBMULTISCALE__
UnitsConverter::UnitsConverter() {
conversion_length = std::numeric_limits<Real>::quiet_NaN();
conversion_mass = std::numeric_limits<Real>::quiet_NaN();
conversion_energy = std::numeric_limits<Real>::quiet_NaN();
conversion_time = std::numeric_limits<Real>::quiet_NaN();
conversion_mass_density = std::numeric_limits<Real>::quiet_NaN();
conversion_force = std::numeric_limits<Real>::quiet_NaN();
conversion_pressure = std::numeric_limits<Real>::quiet_NaN();
}
/* -------------------------------------------------------------------------- */
void UnitsConverter::setInUnits(UnitSystem u_in) { unit_in = u_in; }
/* -------------------------------------------------------------------------- */
void UnitsConverter::setOutUnits(UnitSystem u_out) { unit_out = u_out; }
/* -------------------------------------------------------------------------- */
void UnitsConverter::computeConversions() {
conversion_length = unit_in.distance_standard / unit_out.distance_standard;
conversion_mass = unit_in.mass_standard / unit_out.mass_standard;
conversion_energy = unit_in.energy_standard / unit_out.energy_standard;
conversion_time = unit_in.time_standard / unit_out.time_standard;
conversion_mass_density =
unit_in.mass_density_standard / unit_out.mass_density_standard;
conversion_force = unit_in.force_standard / unit_out.force_standard;
conversion_pressure = unit_in.pressure_standard / unit_out.pressure_standard;
conversion_temperature =
unit_in.temperature_standard / unit_out.temperature_standard;
}
/* -------------------------------------------------------------------------- */
void UnitsConverter::print() {
unit_in.print();
unit_out.print();
DUMPBYPROC(" conversion_distance " << conversion_length, DBG_MESSAGE, 0);
DUMPBYPROC(" conversion_mass " << conversion_mass, DBG_MESSAGE, 0);
DUMPBYPROC(" conversion_energy " << conversion_energy, DBG_MESSAGE, 0);
DUMPBYPROC(" conversion_time " << conversion_time, DBG_MESSAGE, 0);
DUMPBYPROC(" conversion_mass_density " << conversion_mass_density,
DBG_MESSAGE, 0);
DUMPBYPROC(" conversion_force " << conversion_force, DBG_MESSAGE, 0);
DUMPBYPROC(" conversion_pressure " << conversion_pressure, DBG_MESSAGE, 0);
}
/* -------------------------------------------------------------------------- */
void UnitsConverter::checkInit(Real c) {
LM_ASSERT(!std::isnan(c),
"unitconverter object was badly initialized"
<< " : did you call computeConversions ?");
}
/* -------------------------------------------------------------------------- */
template <> Real UnitsConverter::getConversion<Length>() {
checkInit(conversion_length);
return conversion_length;
}
/* -------------------------------------------------------------------------- */
template <> Real UnitsConverter::getConversion<Mass>() {
checkInit(conversion_mass);
return conversion_mass;
}
/* -------------------------------------------------------------------------- */
template <> Real UnitsConverter::getConversion<Energy>() {
checkInit(conversion_energy);
return conversion_energy;
}
/* -------------------------------------------------------------------------- */
template <> Real UnitsConverter::getConversion<Time>() {
checkInit(conversion_time);
return conversion_time;
}
/* -------------------------------------------------------------------------- */
template <> Real UnitsConverter::getConversion<MassDensity>() {
checkInit(conversion_mass_density);
return conversion_mass_density;
}
/* -------------------------------------------------------------------------- */
template <> Real UnitsConverter::getConversion<Force>() {
checkInit(conversion_force);
return conversion_force;
}
/* -------------------------------------------------------------------------- */
template <> Real UnitsConverter::getConversion<Pressure>() {
checkInit(conversion_pressure);
return conversion_pressure;
}
/* -------------------------------------------------------------------------- */
template <> Real UnitsConverter::getConversion<Temperature>() {
checkInit(conversion_temperature);
return conversion_temperature;
}
/* -------------------------------------------------------------------------- */
__END_LIBMULTISCALE__

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