//plots draw_speed points per frame
void animation() {
// p.DefineVar("theta", &t);
for(int i = 0; (i < speed || speed == 0) && t <= tmax ; i++) {
t += tinc;
r = p.Eval();
plot();
}
}
/**
* Calculate the value of a formula parsed by muParser
* @param parser :: muParser object
* @return calculated value
* @throw InstrumentDefinitionError if parser throws during evaluation
*/
double DetectorEfficiencyCorUser::evaluate(const mu::Parser &parser) const {
try {
return parser.Eval();
} catch (mu::Parser::exception_type &e) {
throw Kernel::Exception::InstrumentDefinitionError(
"Error calculating formula from string. Muparser error message is: " +
e.GetMsg());
}
}
/// Calculate emission time for a given detector (L1, t2)
/// and TOF when Emode==Elastic
double ModeratorTzero::CalculateT0elastic(const double &tof, const double &L12,
double &E1, mu::Parser &parser) {
double t0_curr, t0_next;
t0_curr = m_tolTOF; // current iteration emission time
t0_next = 0.0; // next iteration emission time, initialized to zero
size_t iiter(0); // current iteration number
// iterate until convergence in t0 reached
while (std::fabs(t0_curr - t0_next) >= m_tolTOF && iiter < m_niter) {
t0_curr = t0_next;
double v1 = L12 / (tof - t0_curr); // v1 = v2 = v since emode is elastic
E1 = m_convfactor * v1 * v1; // Energy in meV if v1 in meter/microsecond
t0_next = parser.Eval();
iiter++;
}
return t0_next;
}
int Network3::run_PLA(double& time, double maxTime, double sampleTime,
double& step, double maxStep, double stepInterval,
mu::Parser& stop_condition, bool print_on_stop,
char* prefix,
bool print_cdat, bool print_func, bool print_save_net, bool print_end_net,
bool additional_pla_output,
bool verbose){
// Output files
string outpre(prefix);
bool print_classif = additional_pla_output;
// ...
// Species file (must exist)
FILE* cdat = NULL;
string cFile = outpre + ".cdat";
if ((cdat = fopen(cFile.c_str(),"r"))){
fclose(cdat);
cdat = fopen(cFile.c_str(),"a");
}
else {
cout << "Error in Network3::run_PLA(): Concentrations file \"" << cFile << "\" doesn't exist. Exiting." << endl;
exit(1);
}
// Observables file (optional)
FILE* gdat = NULL;
string gFile = outpre + ".gdat";
if ((gdat = fopen(gFile.c_str(),"r"))){
fclose(gdat);
gdat = fopen(gFile.c_str(),"a");
}
else{
// cout << "Warning: Groups file \"" << gFile << "\" doesn't exist." << endl;
}
// Functions file (optional)
/* FILE* fdat = NULL;
string fFile = outpre + ".fdat";
if ((fdat = fopen(fFile.c_str(),"r"))){
fclose(fdat);
fdat = fopen(fFile.c_str(),"a");
}
else{
// cout << "Warning: Functions file \"" << fFile << "\" doesn't exist." << endl;
}*/
// PLA-specific output files
FILE* classif = NULL;
if (print_classif){
if ((classif = fopen((outpre+"_classif.pla").c_str(),"r"))){
fclose(classif);
classif = fopen((outpre+"_classif.pla").c_str(),"a");
}
else{
cout << "Error in Network3::run_PLA(): 'print_classif' flag set but classifications file \""
<< (outpre+"_classif.pla") << "\" doesn't exist. Exiting." << endl;
exit(1);
}
}
// ...
// Identify observables involved in functions
vector<unsigned int> funcObs;
for (unsigned int i=0;i < FUNCTION.size();i++){
map<string,double*> var = FUNCTION[i]->first->p->GetUsedVar();
for (unsigned int j=0;j < OBSERVABLE.size();j++){
if (var.find(OBSERVABLE[j]->first->name) != var.end()){
bool already = false;
for (unsigned int k=0;k < funcObs.size() && !already;k++){
if (funcObs[k] == j){
already = true;
}
}
if (!already){ // add to the list
funcObs.push_back(j);
}
}
}
}
// Prepare for simulation
double nextOutputTime = time + sampleTime;
double nextOutputStep = stepInterval;
while (nextOutputStep <= step) nextOutputStep += stepInterval;
bool lastOut = true;
// Simulation loop
// PLA_SIM->rc.forceClassifications(RxnClassifier::EXACT_STOCHASTIC);
string print_net_message;
while (time < maxTime && step < maxStep && !stop_condition.Eval())
{
// Next step
step++;
PLA_SIM->nextStep();
if (PLA_SIM->tau < INFINITY && PLA_SIM->tau > -INFINITY){
time += PLA_SIM->tau;
}
else break;
// Error check
if (PLA_SIM->tau <= 0.0){
cout << "Error in Network3::run_PLA(): tau = " << PLA_SIM->tau << ". Shouldn't happen. Exiting." << endl;
exit(1);
}
// Is it time to output?
lastOut = false;
if (time >= nextOutputTime || step >= nextOutputStep) // YES
{
// Update all observables
for (unsigned int i=0;i < OBSERVABLE.size();i++){
OBSERVABLE[i]->second = OBSERVABLE[i]->first->getValue();
}
// Update all functions
for (unsigned int i=0;i < FUNCTION.size();i++){
FUNCTION[i]->second = FUNCTION[i]->first->Eval();
}
// Output to file
if (print_cdat) Network3::print_species_concentrations(cdat,time);
if (gdat) Network3::print_observable_concentrations(gdat,time,print_func);
if (print_func) Network3::print_function_values(gdat,time);
if (print_save_net){ // Write current system state to .net file
// Collect species populations and update network concentrations vector
double* pops = new double[SPECIES.size()];
for (unsigned int j=0;j < SPECIES.size();j++){
pops[j] = SPECIES[j]->population;
}
set_conc_network(pops);
delete pops;
// Print network w/ current species populations using network::print_network()
char buf[1000];
sprintf(buf, "%s_save.net", prefix);
FILE* out = fopen(buf, "w");
print_network(out);
fclose(out);
print_net_message = " Wrote NET file to " + (string)buf;
// fprintf(stdout, " Wrote NET file to %s", buf);
}
if (print_classif){
fprintf(classif,"%19.12e",time);
fprintf(classif," %19.19g",step);
for (unsigned int v=0;v < PLA_SIM->classif.size();v++){
fprintf(classif, " %10d", PLA_SIM->classif[v]);
}
fprintf(classif,"\n");
fflush(classif);
}
// Output to stdout
if (verbose){
cout << "\t" << fixed << setprecision(6) << time << "\t" << setprecision(0) << step;
// for (unsigned int i=0;i < OBSERVABLE.size();i++){
// cout << "\t" << OBSERVABLE[i]->second;
// }
if (print_save_net){
fprintf(stdout, "%s", print_net_message.c_str());
}
cout << endl;
}
// Get next output time and step
if (time >= nextOutputTime) nextOutputTime += sampleTime;
if (step >= nextOutputStep) nextOutputStep += stepInterval;
lastOut = true;
}
else{ // NO
// Only update observables that are involved in functions
for (unsigned int i=0;i < funcObs.size();i++){
OBSERVABLE[funcObs[i]]->second = OBSERVABLE[funcObs[i]]->first->getValue();
}
// Update all functions
for (unsigned int i=0;i < FUNCTION.size();i++){
FUNCTION[i]->second = FUNCTION[i]->first->Eval();
}
}
}
// Final output
if (!lastOut)
{
// Update all observables
for (unsigned int i=0;i < OBSERVABLE.size();i++){
OBSERVABLE[i]->second = OBSERVABLE[i]->first->getValue();
}
// Update all functions
for (unsigned int i=0;i < FUNCTION.size();i++){
FUNCTION[i]->second = FUNCTION[i]->first->Eval();
}
// Output to file
if (print_cdat) Network3::print_species_concentrations(cdat,time);
// Don't print if stopping condition met and !print_on_stop (must print to CDAT)
if (!(stop_condition.Eval() && !print_on_stop)){
if (gdat) Network3::print_observable_concentrations(gdat,time,print_func);
if (print_func) Network3::print_function_values(gdat,time);
string print_net_message;
if (print_save_net){ // Write current system state to .net file
// Collect species populations and update network concentrations vector
double pops[SPECIES.size()];
for (unsigned int j=0;j < SPECIES.size();j++){
pops[j] = SPECIES[j]->population;
}
set_conc_network(pops);
// Print network w/ current species populations using network::print_network()
char buf[1000];
sprintf(buf, "%s_save.net", prefix);
FILE* out = fopen(buf, "w");
print_network(out);
fclose(out);
print_net_message = " Wrote NET file to " + (string)buf;
}
if (print_classif){
fprintf(classif,"%19.12e",time);
for (unsigned int v=0;v < PLA_SIM->classif.size();v++){
fprintf(classif, " %10d", PLA_SIM->classif[v]);
}
fprintf(classif,"\n");
fflush(classif);
}
}
// Output to stdout
if (verbose){
cout << "\t" << fixed << setprecision(6) << time << "\t" << setprecision(0) << step;
// for (unsigned int i=0;i < OBSERVABLE.size();i++) cout << "\t" << OBSERVABLE[i]->second;
if (print_save_net) fprintf(stdout, "%s", print_net_message.c_str());
cout << endl;
}
}
// Messages if stopping conditions met
if (stop_condition.Eval()){ // Stop condition satisfied
cout << "Stopping condition " << stop_condition.GetExpr() << "met in PLA simulation." << endl;
}
// else if (step >= startStep + maxSteps){ // maxSteps limit reached
// cout << "Maximum step limit (" << maxSteps << ") reached in PLA simulation." << endl;
// }
// If print_end_net = true, collect species populations and update network concentrations vector
if (print_end_net){
double pops[SPECIES.size()];
for (unsigned int j=0;j < SPECIES.size();j++){
pops[j] = SPECIES[j]->population;
}
set_conc_network(pops);
}
// Close files
fclose(cdat);
if (gdat) fclose(gdat);
// if (fdat) fclose(fdat);
if (classif) fclose(classif);
// Return value
if (time >= maxTime) return 0;
else if (step >= maxStep) return -1;
else return -2; // stop condition met
}
bool operator()( double &vox, const isis::util::vector4<size_t>& pos ) {
voxBuff = vox; //using parser.DefineVar every time would slow down the evaluation
posBuff = pos;
vox = parser.Eval();
return true;
}