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ScalFMM
Commit 2614f593 authored by COULAUD Olivier's avatar COULAUD Olivier
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Add reference data for periodic FMM computation (20000)

parent 341fdb57
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Showing with 21 additions and 52 deletions
Utils/noDist/removeMoment.cpp
View file @ 2614f593
......@@ -89,12 +89,12 @@ int main(int argc, char ** argv){
scaleForce = -r4pie0 ; // 10 J mol^{-1} A^{-1}
}
else if(FParameters::existParameter(argc, argv, "-stamp")){
scaleEnergy = q0*q0*Unsur4pie0/ang ;
scaleEnergy = q0*q0*Unsur4pie0 /ang;
scaleForce = -scaleEnergy/ang;
}
std::cout <<"Scaling factor " <<std::endl
<< "Energy factor " << scaleEnergy<<std::endl
<< " Force factor " << scaleForce<<std::endl ;
<< " Energy factor " << scaleEnergy<<std::endl
<< " Force factor " << scaleForce<<std::endl ;
//////////////////////////////////////////////////////////////
//
const std::string filenameIn (FParameters::getStr(argc,argv,"-fin", "../Data/forceNacl_128_dlpolyPer.bin"));
......@@ -105,7 +105,7 @@ int main(int argc, char ** argv){
std::cout << "Opening : " << filenameIn << "\n";
FDlpolyLoader *loaderDlpoly = nullptr ;
FFmaGenericLoader *loaderFMA = nullptr ;
FFmaGenericLoader *loaderFMA = nullptr ;
bool useDLPOLY=false,useFMA=false;
std::string ext(".bin");
std::string ext1(".fma"),ext2(".bfma");
......@@ -156,8 +156,7 @@ int main(int argc, char ** argv){
FReal physicalValue;
FReal potential=0.0;
int index ;
loaderDlpoly->fillParticle(&position, forces,
&physicalValue,&index);
loaderDlpoly->fillParticle(&position, forces,&physicalValue,&index);
particlesIn[index].setPosition(position) ;
particlesIn[index].setPhysicalValue(physicalValue) ;
particlesIn[index].setPotential(potential) ;
......@@ -172,14 +171,20 @@ int main(int argc, char ** argv){
std::cout << "Loader Error, " << filenameIn << " is missing\n";
exit(EXIT_FAILURE);
}
boxsize[0] = boxsize[1]= boxsize[2] = loaderFMA->getBoxWidth()/ang ;
centre = loaderFMA->getCenterOfBox();
centre *= boxsize[0];
boxsize[0] = boxsize[1]= boxsize[2] = loaderFMA->getBoxWidth()/ang;
// scaleEnergy /= boxsize[0] ;
// scaleForce = -scaleEnergy/boxsize[0] ;
// boxsize[0] = boxsize[1]= boxsize[2] = 1.0 ;
numberofParticles = loaderFMA->getNumberOfParticles() ;
particlesIn = new FmaRWParticle<8,8>[numberofParticles];
memset(particlesIn, 0, sizeof( FmaRWParticle<8,8>) * numberofParticles) ;
loaderFMA->fillParticle(particlesIn,numberofParticles);
centre = loaderFMA->getCenterOfBox();
centre *= boxsize[0];
for(int idxPart = 0 ; idxPart < numberofParticles; ++idxPart){
//
FPoint PP = particlesIn[idxPart].getPosition() ;
......@@ -189,15 +194,6 @@ int main(int argc, char ** argv){
}
}
// ---------------------------------------------------------------------------------
// Read particles
// ---------------------------------------------------------------------------------
// std::cout << "Creating & Inserting "q << numberofParticles<< " particles ..." << std::endl;
// std::cout << "\tWidth : " << loader->getBoxWidth() << " \t center x : " << loader->getCenterOfBox().getX()
// << " y : " << loader->getCenterOfBox().getY() << " z : " << loader->getCenterOfBox().getZ() << std::endl;
//
counter.tic();
FPoint electricMoment(0.0,0.0,0.0) ;
......@@ -224,20 +220,13 @@ int main(int argc, char ** argv){
std::cout << "Done " << "(@Reading Ewald file = " << counter.elapsed() << " s)." << std::endl;
//
//
// ---------------------------------------------------------------------------------
// READ DIRECT COMPUTATION
// ----------------------------------------------------------------
// Save direct computation in binary format
// write binary output file
//
// ----------------------------------------------------------------------------
// Remove or Add Electric Moment
//-----------------------------------------------------------------------------
// remove polarization component
//
double volume = boxsize[0] *boxsize[1]*boxsize[2] ;
double coeffCorrection = 2.0*FMath::FPi/volume/3.0 ;
double coeffCorrection = 4.0*FMath::FPi/volume/3.0 ;
double preScaleEnergy = 1.0, postScaleEnergy = 1.0, preScaleForce = 1.0, postScaleForce = 1.0 ;
if( FParameters::existParameter(argc, argv, "-Ewald2FMM") ){
preScaleEnergy = 1.0/scaleEnergy ; postScaleEnergy = 1.0 ; preScaleForce = 1.0/scaleForce; postScaleForce = 1.0 ;
......@@ -258,28 +247,22 @@ int main(int argc, char ** argv){
//
double tmp, newEnergy =0.0;
for(int idx = 0 ; idx < numberofParticles ; ++idx){
// std::cout << " Pos " << particles[idx].position.getX()<< " "<< particles[idx].position.getY()<< " "<< particles[idx].position.getZ()<< std::endl
// << " F ori " << particles[idx].forces[0]<< " "<< particles[idx].forces[1]<< " "<< particles[idx].forces[2]<< std::endl;
tmp = particlesIn[idx].getPosition().getX()*electricMoment.getX() + particlesIn[idx].getPosition().getY()*electricMoment.getY()
+ particlesIn[idx].getPosition().getZ()*electricMoment.getZ() ;
tmp = particlesIn[idx].getPosition().getX()*electricMoment.getX() + particlesIn[idx].getPosition().getY()*electricMoment.getY()
+ particlesIn[idx].getPosition().getZ()*electricMoment.getZ() ;
//
double P = particlesIn[idx].getPotential();
particlesIn[idx].setPotential( P + 2.0*tmp*coeffCorrection);
//
double * forces ;
forces = particlesIn[idx].getForces() ;
forces[0] = preScaleForce*forces[0] + 2.0*particlesIn[idx].getPhysicalValue()*coeffCorrection*electricMoment.getX() ;
forces[1] = preScaleForce*forces[1] + 2.0*particlesIn[idx].getPhysicalValue()*coeffCorrection*electricMoment.getY() ;
forces[2] = preScaleForce*forces[2] + 2.0*particlesIn[idx].getPhysicalValue()*coeffCorrection*electricMoment.getZ() ;
forces[0] = preScaleForce*forces[0] - coeffCorrection*particlesIn[idx].getPhysicalValue()*electricMoment.getX() ;
forces[1] = preScaleForce*forces[1] - coeffCorrection*particlesIn[idx].getPhysicalValue()*electricMoment.getY() ;
forces[2] = preScaleForce*forces[2] - coeffCorrection*particlesIn[idx].getPhysicalValue()*electricMoment.getZ() ;
//
forces[0] *= postScaleForce;
forces[1] *= postScaleForce;
forces[2] *= postScaleForce;
particlesIn[idx].setForces(forces[0],forces[1],forces[2]) ;
// std::cout << " F new " << particles[idx].forces[0]<< " "<< particles[idx].forces[1]<< " "<< particles[idx].forces[2]<< std::endl<< std::endl;
//
}
std::cout.precision(10) ;
......@@ -300,17 +283,7 @@ int main(int argc, char ** argv){
std::cout << "Energy New = "<<newEnergy<<std::endl ;
//
// Save data in FMAFormat
//FSize nbParticles = loader.getNumberOfParticles() ;
// FmaRWParticle<8,8>* const particlesOut = new FmaRWParticle<8,8>[numberofParticles];
// // remove index
// memset(particlesOut, 0, sizeof(FmaRWParticle<8,8>) * numberofParticles) ;
// for(int idx = 0 ; idx < numberofParticles ; ++idx){
// particlesOut[idx].setPosition(particles[idx].position) ;
// particlesOut[idx].setPhysicalValue(particles[idx].physicalValue) ;
// particlesOut[idx].setPotential (particles[idx].potential) ;
// particlesOut[idx].setForces(particles[idx].forces[0],particles[idx].forces[0],particles[idx].forces[2]) ;
// }
// //
//
// ----------------------------------------------------------------
// Save computation in binary format
//
......@@ -318,10 +291,6 @@ int main(int argc, char ** argv){
std::cout << "Generate " << filenameOut <<" for output file" << std::endl;
//
// std::cout << " numberofParticles: " << nbParticles <<" " << sizeof(numberofParticles) <<std::endl;
// std::cout << " denergy: " << newEnergy <<" " << sizeof(newEnergy) <<std::endl;
// std::cout << " Box size: " << loader.getBoxWidth() << " " << sizeof(loader.getBoxWidth())<<std::endl;
//
FFmaGenericWriter writer(filenameOut) ;
writer.writeHeader(centre, boxsize[0] , numberofParticles,*particlesIn) ;
writer.writeArrayOfParticles(particlesIn, numberofParticles);
......
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