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/////////////////////////////////////////////////////////////
// //
// Copyright (c) 2003-2017 by The University of Queensland //
// Centre for Geoscience Computing //
// http://earth.uq.edu.au/centre-geoscience-computing //
// //
// Primary Business: Brisbane, Queensland, Australia //
// Licensed under the Open Software License version 3.0 //
// http://www.apache.org/licenses/LICENSE-2.0 //
// //
/////////////////////////////////////////////////////////////
//-- STL includes --
#include <vector>
#include <utility>
using std::vector;
using std::pair;
// -- IO includes --
#include <iostream>
using std::cout;
using std::endl;
/*!
constructor
\param comm the TML communicator used for sending the data back to the master
\param ppa a pointer to the particle array
\param rdf the particle member function to access the data
*/
template <typename T>
ScalarParticleFieldSlave<T>::ScalarParticleFieldSlave(TML_Comm* comm,ParallelParticleArray<T>* ppa,typename T::ScalarFieldFunction rdf):AFieldSlave(comm)
{
m_ppa=ppa;
m_rdf=rdf;
}
/*!
send full field date, position and size of the particles
*/
template <typename T>
void ScalarParticleFieldSlave<T>::SendDataFull()
{
vector<pair<int,double> > data_vec;
vector<pair<int,double> > rad_vec;
vector<pair<int,Vec3> > pos_vec;
data_vec=m_ppa->forAllInnerParticlesGetIndexed(m_rdf);
pos_vec=m_ppa->forAllInnerParticlesGetIndexed(typename T::VectorFieldFunction(&T::getPos));
rad_vec=m_ppa->forAllInnerParticlesGetIndexed(typename T::ScalarFieldFunction(&T::getRad));
// send data to master
m_comm->send_gather(data_vec,0);
m_comm->send_gather(pos_vec,0);
m_comm->send_gather(rad_vec,0);
}
/*!
send sum only
*/
template <typename T>
void ScalarParticleFieldSlave<T>::SendDataSum()
{
vector<double> data_vec;
// get data from particles
m_ppa->forAllInnerParticlesGet(data_vec,m_rdf);
// sum data
double sum=0.0;
for(vector<double>::iterator iter=data_vec.begin();
iter!=data_vec.end();
iter++){
sum+=*iter;
}
vector<double> sum_vec;
sum_vec.push_back(sum);
m_comm->send_gather(sum_vec,0);
}
/*!
send maximum only
*/
template <typename T>
void ScalarParticleFieldSlave<T>::SendDataMax()
{
vector<double> data_vec;
// get data from particles
m_ppa->forAllInnerParticlesGet(data_vec,m_rdf);
// sum data
double max=*(data_vec.begin());
for(vector<double>::iterator iter=data_vec.begin();
iter!=data_vec.end();
iter++){
max=(*iter > max) ? *iter : max;
}
vector<double> max_vec;
max_vec.push_back(max);
m_comm->send_gather(max_vec,0);
}
/*!
send data back to master
*/
template <typename T>
void ScalarParticleFieldSlave<T>::sendData()
{
int coll_type;
m_comm->recv_broadcast(coll_type,0);
switch(coll_type){
case 1: SendDataFull();break;
case 2: SendDataSum();break;
case 3: SendDataMax();break;
default: std::cerr << "unknown collection type" << std::endl;
}
}
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