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/*
Copyright 2011, 2018 Thibaut Paumard, Frederic Vincent
This file is part of Gyoto.
Gyoto 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.
Gyoto 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 Gyoto. If not, see <http://www.gnu.org/licenses/>.
*/
#include "GyotoUtils.h"
#include "GyotoInflateStar.h"
#include "GyotoPhoton.h"
#include "GyotoPowerLawSpectrum.h"
#include "GyotoBlackBodySpectrum.h"
#include "GyotoFactoryMessenger.h"
#include <iostream>
#include <cmath>
#include <string>
#include <cstdlib>
#include <float.h>
#include <sstream>
#include <string.h>
using namespace std;
using namespace Gyoto;
using namespace Gyoto::Astrobj;
/// Properties
#include "GyotoProperty.h"
GYOTO_PROPERTY_START(InflateStar, "Star with inflation")
GYOTO_PROPERTY_DOUBLE_UNIT(InflateStar, TimeInflateInit, timeInflateInit,
"Start time of inflation (geometrical units)")
GYOTO_PROPERTY_DOUBLE_UNIT(InflateStar, TimeInflateStop, timeInflateStop,
"End time of inflation (geometrical units)")
GYOTO_PROPERTY_DOUBLE_UNIT(InflateStar, RadiusStop, radiusStop,
"End radius (geometrical units)")
GYOTO_PROPERTY_END(InflateStar, Star::properties)
GYOTO_PROPERTY_ACCESSORS(InflateStar, double,
timeinflateinit_, timeInflateInit)
double InflateStar::timeInflateInit(const string &unit) const {
return Units::FromGeometricalTime(timeInflateInit(), unit, gg_);
}
void InflateStar::timeInflateInit(double t, const string &unit) {
timeInflateInit(Units::ToGeometricalTime(t, unit, gg_));
}
GYOTO_PROPERTY_ACCESSORS(InflateStar, double,
timeinflatestop_, timeInflateStop)
double InflateStar::timeInflateStop(const string &unit) const {
return Units::FromGeometricalTime(timeInflateStop(), unit, gg_);
}
void InflateStar::timeInflateStop(double t, const string &unit) {
timeInflateStop(Units::ToGeometricalTime(t, unit, gg_));
}
GYOTO_PROPERTY_ACCESSORS_GEOMETRICAL(InflateStar, radiusstop_, radiusStop, gg_)
double InflateStar::radiusAt(double time) const {
double radinit = radius();
double radcur=radinit;
if (time>=timeinflatestop_) radcur=radiusstop_;
else if (time>timeinflateinit_){
// linear increase of radius in between extreme times
radcur = radinit+(time-timeinflateinit_)/(timeinflatestop_-timeinflateinit_)
*(radiusstop_-radinit);
}
return radcur;
}
double InflateStar::radiusAt(double time, const string &t_unit) const {
return radiusAt(Units::ToGeometricalTime(time, t_unit, gg_));
}
double InflateStar::radiusAt(double time, const string &t_unit, const string &r_unit) const {
return Units::FromGeometrical(radiusAt(time, t_unit), r_unit, gg_);
}
InflateStar::InflateStar() :
Star(),
timeinflateinit_(0.), timeinflatestop_(0.), radiusstop_(DBL_MAX)
{
kind_="InflateStar";
# ifdef GYOTO_DEBUG_ENABLED
GYOTO_DEBUG << "done." << endl;
# endif
}
InflateStar::InflateStar(const InflateStar& orig) :
Star(orig),
timeinflateinit_(orig.timeinflateinit_), timeinflatestop_(orig.timeinflatestop_),
radiusstop_(orig.radiusstop_)
{
}
InflateStar* InflateStar::clone() const { return new InflateStar(*this); }
InflateStar::~InflateStar() {
if (debug()) cerr << "DEBUG: InflateStar::~InflateStar()\n";
}
string InflateStar::className() const { return string("InflateStar"); }
string InflateStar::className_l() const { return string("inflate_star"); }
int InflateStar::Impact(Gyoto::Photon* ph, size_t index,
Astrobj::Properties *data) {
state_t p1;
ph->getCoord(index, p1);
double time = p1[0];
double radinit = radius();
double radcur=radiusAt(time);
critical_value_=radcur*radcur;
return UniformSphere::Impact(ph,index,data);
}
double InflateStar::emission(double nu_em, double dsem,
state_t const &coord_ph, double const coord_obj[8]) const {
double time = coord_ph[0];
double radinit = radius();
double radcur=radiusAt(time);
double volume=radcur*radcur*radcur;
double volumei=radinit*radinit*radinit;
return volumei/volume * UniformSphere::emission(nu_em, dsem, coord_ph, coord_obj);
}
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