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ComovingCorrelationData.cc
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/
ComovingCorrelationData.cc
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// Created 11-Jul-2012 by David Kirkby (University of California, Irvine) <dkirkby@uci.edu>
#include "baofit/ComovingCorrelationData.h"
#include "baofit/RuntimeError.h"
#include <cmath>
namespace local = baofit;
local::ComovingCorrelationData::ComovingCorrelationData(likely::BinnedGrid grid,
CoordinateSystem coordinateSystem)
: AbsCorrelationData(grid,coordinateSystem==MultipoleCoordinates ? Multipole : Coordinate),
_coordinateSystem(coordinateSystem), _lastIndex(-1)
{
}
local::ComovingCorrelationData::~ComovingCorrelationData() { }
local::ComovingCorrelationData *local::ComovingCorrelationData::clone(bool binningOnly) const {
ComovingCorrelationData *data = binningOnly ?
new ComovingCorrelationData(getGrid(),_coordinateSystem) :
new ComovingCorrelationData(*this);
_cloneFinalCuts(*data);
return data;
}
void local::ComovingCorrelationData::finalize() {
std::set<int> keep;
_applyFinalCuts(keep);
prune(keep);
AbsCorrelationData::finalize();
}
void local::ComovingCorrelationData::_setIndex(int index) const {
if(index == _lastIndex) return;
getGrid().getBinCenters(index,_binCenter);
_lastIndex = index;
}
double local::ComovingCorrelationData::getRadius(int index) const {
_setIndex(index);
if(_coordinateSystem == CartesianCoordinates) {
double rpar = _binCenter[0], rperp = _binCenter[1];
return std::sqrt(rpar*rpar+rperp*rperp);
}
else {
return _binCenter[0];
}
}
double local::ComovingCorrelationData::getCosAngle(int index) const {
_setIndex(index);
if(_coordinateSystem == PolarCoordinates) {
return _binCenter[1];
}
else if(_coordinateSystem == CartesianCoordinates) {
double rpar = _binCenter[0], rperp = _binCenter[1];
return rpar/std::sqrt(rpar*rpar+rperp*rperp);
}
else {
throw RuntimeError("ComovingCorrelationData::getMultipole: invalid coordinate system.");
}
}
cosmo::Multipole local::ComovingCorrelationData::getMultipole(int index) const {
_setIndex(index);
if(_coordinateSystem == MultipoleCoordinates) {
return static_cast<cosmo::Multipole>(std::floor(_binCenter[1]+0.5));
}
else {
throw RuntimeError("ComovingCorrelationData::getMultipole: invalid coordinate system.");
}
}
double local::ComovingCorrelationData::getRedshift(int index) const {
_setIndex(index);
return _binCenter[2];
}