Updated all GUI stuff to new protobuf config of model containing a system, solver and solution
This commit is contained in:
Anne de Jong
parent
c4ffca4640
commit
e255b9e2c9
@ -1,75 +1,75 @@
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#================
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# The TaSMET code
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#================
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include_directories(
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${PYTHON_INCLUDE_PATH}
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${ARMADILLO_INCLUDE_DIRS}
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.
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protobuf
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duct
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ductbc
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# duct/cell
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# duct/connectors
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# duct/eq
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# duct/geom
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# duct/geom/grid
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# duct/drag
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# duct/heat
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# mech
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# python
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# seg
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# sol
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sys
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solver
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# var
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# volume
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)
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add_library(tasmet_src
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tasmet_tracer.cpp
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tasmet_exception.cpp
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tasmet_assert.cpp
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tasmet_pyeval.cpp
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protobuf/message_tools.cpp
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duct/grid.cpp
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duct/geom.cpp
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duct/duct.cpp
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ductbc/ductbc.cpp
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ductbc/pressurebc.cpp
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ductbc/adiabaticwall.cpp
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funcs/bessel.cpp
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funcs/cbessj.cpp
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funcs/rottfuncs.cpp
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funcs/skewsine.cpp
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funcs/sph_j.cpp
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solver/solver.cpp
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solver/system.cpp
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solver/newton_raphson.cpp
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solver/brent.cpp
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material/gas.cpp
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material/air.cpp
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material/helium.cpp
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material/nitrogen.cpp
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material/solid.cpp
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material/adiabatictemp.cpp
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# sys/enginesystem.cpp
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sys/globalconf.cpp
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sys/tasmet_variable.cpp
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sys/jaccol.cpp
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sys/jacobian.cpp
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sys/jacrow.cpp
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sys/tasystem.cpp
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sys/triplets.cpp
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)
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add_subdirectory(gui)
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add_subdirectory(protobuf)
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target_link_libraries(tasmet_src Qt5::Widgets)
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#================
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# The TaSMET code
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#================
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include_directories(
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${PYTHON_INCLUDE_PATH}
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${ARMADILLO_INCLUDE_DIRS}
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.
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protobuf
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duct
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ductbc
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# duct/cell
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# duct/connectors
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# duct/eq
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# duct/geom
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# duct/geom/grid
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# duct/drag
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# duct/heat
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# mech
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# python
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# seg
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# sol
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sys
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solver
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# var
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# volume
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)
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add_library(tasmet_src
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tasmet_tracer.cpp
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tasmet_exception.cpp
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tasmet_assert.cpp
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tasmet_pyeval.cpp
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protobuf/message_tools.cpp
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duct/grid.cpp
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duct/geom.cpp
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duct/duct.cpp
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ductbc/ductbc.cpp
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ductbc/pressurebc.cpp
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ductbc/adiabaticwall.cpp
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funcs/bessel.cpp
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funcs/cbessj.cpp
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funcs/rottfuncs.cpp
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funcs/skewsine.cpp
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funcs/sph_j.cpp
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solver/solver.cpp
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solver/system.cpp
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solver/newton_raphson.cpp
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solver/brent.cpp
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material/gas.cpp
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material/air.cpp
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material/helium.cpp
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material/nitrogen.cpp
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material/solid.cpp
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material/adiabatictemp.cpp
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# sys/enginesystem.cpp
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sys/globalconf.cpp
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sys/tasmet_variable.cpp
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sys/jaccol.cpp
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sys/jacobian.cpp
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sys/jacrow.cpp
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sys/tasystem.cpp
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sys/triplets.cpp
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)
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add_subdirectory(gui)
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add_subdirectory(protobuf)
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target_link_libraries(tasmet_src Qt5::Widgets)
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@ -9,11 +9,8 @@
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#ifndef PRESSUREBC_H
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#define PRESSUREBC_H
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#include "segment.h"
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#include "ductbc.pb.h"
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class TaSystem;
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namespace pb{
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class DuctBc;
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}
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class Variable;
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class PressureBc: public Segment {
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@ -54,8 +54,8 @@ namespace {
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TaSMETMainWindow::TaSMETMainWindow():
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_window(new Ui::MainWindow()),
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_model(pb::Model::default_instance())
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_system(*_model.mutable_sytem())
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_model(pb::Model::default_instance()),
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_system(*_model.mutable_system())
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{
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if(!_window) throw TaSMETBadAlloc();
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@ -224,7 +224,7 @@ void TaSMETMainWindow::changed() {
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windowtitle += QString::fromStdString(_filepath);
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}
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else {
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windowtitle += default_system_name;
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windowtitle += default_model_name;
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}
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setWindowTitle(windowtitle);
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@ -254,10 +254,11 @@ void TaSMETMainWindow::changed() {
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}
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void TaSMETMainWindow::set(const pb::System& sys) {
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void TaSMETMainWindow::set(const pb::Model& model) {
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TRACE(15,"set()");
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_init = true;
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const pb::System& sys = model.system();
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_window->nf->setValue(sys.nf());
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_window->freq->setText(QString::number(sys.freq()));
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_window->p0->setText(QString::number(sys.p0()));
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@ -265,7 +266,8 @@ void TaSMETMainWindow::set(const pb::System& sys) {
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_window->systemtype->setCurrentIndex((int) sys.systemtype());
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_window->gastype->setCurrentIndex((int) sys.gastype());
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_system = sys;
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_model = model;
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_system = *_model.mutable_system();
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_init = false;
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changed();
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@ -406,7 +408,7 @@ void TaSMETMainWindow::on_actionSolve_triggered() {
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SolverDialog *d;
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try {
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d = new SolverDialog(this,_system);
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d = new SolverDialog(this,_system,*_model.mutable_sparams());
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}
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catch(TaSMETError &e) {
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e.show_user("Solver failed to initialize");
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@ -425,8 +427,8 @@ bool TaSMETMainWindow::isDirty() const {
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if(_filepath.size()==0) return true;
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try {
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pb::System filesys = loadSystem(_filepath);
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bool dirty = !compareSys(filesys,_system);
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pb::Model filemodel = loadMessage<pb::Model>(_filepath);
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bool dirty = !compareMessage<pb::Model>(filemodel,_model);
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VARTRACE(15,dirty);
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return dirty;
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}
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@ -9,6 +9,8 @@
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#include "solver_dialog.h"
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#include "ui_solver_dialog.h"
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#include "system.pb.h"
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#include "solver.pb.h"
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#include "tasmet_exception.h"
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#include "tasmet_constants.h"
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#include "tasmet_tracer.h"
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@ -20,9 +22,11 @@
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#include <qcustomplot.h>
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SolverDialog::SolverDialog(QWidget* parent,
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pb::System& sys):
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pb::System& sys,
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pb::SolverParams& sparams):
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QDialog(parent),
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_sys(sys),
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_sparams(sparams),
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_dialog(new Ui::solver_dialog())
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{
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@ -85,7 +89,7 @@ SolverDialog::SolverDialog(QWidget* parent,
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_plot->legend->setVisible(true);
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_plot->replot();
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set(_sys.solverparams());
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set(_sparams);
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setEnabled(true);
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@ -113,9 +117,9 @@ void SolverDialog::set(const pb::SolverParams& sol) {
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void SolverDialog::changed() {
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TRACE(15,"changed");
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if(_init) return;
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_sys.mutable_solverparams()->set_funtol(_dialog->funtol->text().toDouble());
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_sys.mutable_solverparams()->set_reltol(_dialog->reltol->text().toDouble());
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_sys.mutable_solverparams()->set_solvertype((pb::SolverType) _dialog->solvertype->currentIndex());
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_sparams.set_funtol(_dialog->funtol->text().toDouble());
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_sparams.set_reltol(_dialog->reltol->text().toDouble());
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_sparams.set_solvertype((pb::SolverType) _dialog->solvertype->currentIndex());
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}
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void SolverDialog::solver_progress(const SolverProgress& progress){
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@ -123,8 +127,8 @@ void SolverDialog::solver_progress(const SolverProgress& progress){
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// VARTRACE(15,progress.fun_err);
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// VARTRACE(15,progress.iteration);
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d funtol = _sys.solverparams().funtol();
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d reltol = _sys.solverparams().reltol();
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d funtol = _sparams.funtol();
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d reltol = _sparams.reltol();
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_funer->addData(progress.iteration,progress.fun_err);
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_reler->addData(progress.iteration,progress.rel_err);
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@ -160,7 +164,7 @@ void SolverDialog::on_solve_clicked() {
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qRegisterMetaType<SolverProgress>();
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_solver_worker = new SolverWorker(_sys);
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_solver_worker = new SolverWorker(_sys,_sparams);
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QThread* thread = new QThread;
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_solver_worker->moveToThread(thread);
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@ -15,10 +15,12 @@
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namespace pb {
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class System;
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class SolverParams;
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}
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namespace Ui {
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class solver_dialog;
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}
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class QCustomPlot;
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class QCPGraph;
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class SolverWorker;
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@ -28,6 +30,7 @@ class SolverDialog: public QDialog {
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Q_OBJECT
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pb::System& _sys; // Reference to system
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pb::SolverParams& _sparams;
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Ui::solver_dialog* _dialog;
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@ -41,11 +44,11 @@ class SolverDialog: public QDialog {
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public:
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SolverDialog(QWidget* parent,
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pb::System& sys);
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pb::System& sys,
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pb::SolverParams& sparams);
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~SolverDialog();
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void set(const pb::SolverParams&);
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public slots:
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void solver_progress(const SolverProgress&);
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private slots:
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@ -64,6 +67,7 @@ private:
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// Called whenever the user changes input values
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void changed();
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void setEnabled(bool);
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void set(const pb::SolverParams&);
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};
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@ -9,13 +9,17 @@
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#include "solver_worker.h"
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#include <functional>
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#include "tasmet_tracer.h"
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#include "system.pb.h"
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#include "solver.pb.h"
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#include <QThread>
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#include <qcustomplot.h>
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SolverWorker::SolverWorker(pb::System& sys):
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SolverWorker::SolverWorker(const pb::System& sys,const pb::SolverParams& sparams):
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_run(false),
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_reltol(sys.solverparams().reltol()),
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_funtol(sys.solverparams().funtol())
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_reltol(sparams.reltol()),
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_funtol(sparams.funtol())
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{
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}
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@ -16,6 +16,7 @@
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#include <QObject>
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namespace pb{
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class System;
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class SolverParams;
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}
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Q_DECLARE_METATYPE(SolverProgress);
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@ -28,8 +29,7 @@ class SolverWorker: public QObject {
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bool _converged = false;
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d _funtol,_reltol;
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public:
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SolverWorker(pb::System& sys);
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SolverWorker(const pb::System& sys,const pb::SolverParams& sparams);
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~SolverWorker();
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void solver_stop();
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170
src/main.cpp
170
src/main.cpp
@ -1,85 +1,85 @@
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// main.cpp
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//
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// last-edit-by: J.A. de Jong
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//
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// Description:
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// Main program to run
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//////////////////////////////////////////////////////////////////////
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#include <QApplication>
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#include <QCommandLineParser>
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#include <QCommandLineOption>
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// For using python from within Qt
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#include <PythonQt.h>
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#include "tasmet_config.h"
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#include "tasmet_tracer.h"
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#include "gui/mainwindow.h"
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#include <signal.h>
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#include <unistd.h>
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void catchUnixSignals(const std::vector<int>& quitSignals,
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const std::vector<int>& ignoreSignals = std::vector<int>()) {
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auto handler = [](int sig) ->void {
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printf("\nquit the application (user request signal = %d).\n", sig);
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QCoreApplication::quit();
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};
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// all these signals will be ignored.
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for ( int sig : ignoreSignals )
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signal(sig, SIG_IGN);
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// each of these signals calls the handler (quits the QCoreApplication).
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for ( int sig : quitSignals )
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signal(sig, handler);
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}
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int main(int argc, char *argv[]) {
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// This can be used to store files in the application. Very useful
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// when our application grows bigger
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// Q_INIT_RESOURCE(application);
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INITTRACE(15);
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// Initialize PythonQt
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// PythonQt::init(PythonQt::IgnoreSiteModule | PythonQt::RedirectStdOut);
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PythonQt::init();
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PythonQt* pyqt = PythonQt::self();
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PythonQtObjectPtr context = pyqt->getMainModule();
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QVariant rv = context.evalScript("from math import *\n");
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if(pyqt->hadError()) {
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return -1;
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}
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QApplication app(argc, argv);
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catchUnixSignals({SIGQUIT, SIGINT, SIGTERM, SIGHUP});
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// QCoreApplication::setOrganizationName("QtProject");
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QCoreApplication::setApplicationName(appname);
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QCoreApplication::setApplicationVersion(appversion);
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// QCommandLineParser parser;
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// parser.setApplicationDescription(QCoreApplication::applicationName());
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// parser.addHelpOption();
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// parser.addVersionOption();
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// parser.addPositionalArgument("file", "The file to open.");
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// parser.process(app);
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// if (!parser.positionalArguments().isEmpty())
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// mainWin.loadFile(parser.positionalArguments().first());
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TaSMETMainWindow win;
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win.show();
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return app.exec();
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}
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//////////////////////////////////////////////////////////////////////
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// main.cpp
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//
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// last-edit-by: J.A. de Jong
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//
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// Description:
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// Main program to run
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//////////////////////////////////////////////////////////////////////
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#include <QApplication>
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#include <QCommandLineParser>
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#include <QCommandLineOption>
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// For using python from within Qt
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#include <PythonQt.h>
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#include "tasmet_config.h"
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#include "tasmet_tracer.h"
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#include "gui/mainwindow.h"
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#include <signal.h>
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#include <unistd.h>
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void catchUnixSignals(const std::vector<int>& quitSignals,
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const std::vector<int>& ignoreSignals = std::vector<int>()) {
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auto handler = [](int sig) ->void {
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printf("\nquit the application (user request signal = %d).\n", sig);
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QCoreApplication::quit();
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};
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// all these signals will be ignored.
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for ( int sig : ignoreSignals )
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signal(sig, SIG_IGN);
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|
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// each of these signals calls the handler (quits the QCoreApplication).
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for ( int sig : quitSignals )
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signal(sig, handler);
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}
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int main(int argc, char *argv[]) {
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// This can be used to store files in the application. Very useful
|
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// when our application grows bigger
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// Q_INIT_RESOURCE(application);
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INITTRACE(15);
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// Initialize PythonQt
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// PythonQt::init(PythonQt::IgnoreSiteModule | PythonQt::RedirectStdOut);
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PythonQt::init();
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PythonQt* pyqt = PythonQt::self();
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PythonQtObjectPtr context = pyqt->getMainModule();
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QVariant rv = context.evalScript("from math import *\n");
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if(pyqt->hadError()) {
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return -1;
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}
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QApplication app(argc, argv);
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catchUnixSignals({SIGQUIT, SIGINT, SIGTERM, SIGHUP});
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||||
// QCoreApplication::setOrganizationName("QtProject");
|
||||
QCoreApplication::setApplicationName(appname);
|
||||
QCoreApplication::setApplicationVersion(appversion);
|
||||
// QCommandLineParser parser;
|
||||
// parser.setApplicationDescription(QCoreApplication::applicationName());
|
||||
// parser.addHelpOption();
|
||||
// parser.addVersionOption();
|
||||
// parser.addPositionalArgument("file", "The file to open.");
|
||||
// parser.process(app);
|
||||
|
||||
// if (!parser.positionalArguments().isEmpty())
|
||||
// mainWin.loadFile(parser.positionalArguments().first());
|
||||
|
||||
|
||||
|
||||
TaSMETMainWindow win;
|
||||
|
||||
win.show();
|
||||
|
||||
return app.exec();
|
||||
}
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
|
||||
@ -7,7 +7,6 @@
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
#include "message_tools.h"
|
||||
#include <fstream>
|
||||
#include <google/protobuf/text_format.h>
|
||||
#include "tasmet_types.h"
|
||||
#include "tasmet_io.h"
|
||||
#include "tasmet_exception.h"
|
||||
@ -77,9 +76,14 @@ bool compareMessage(const T& s1,const T& s2) {
|
||||
return (s1.SerializeAsString()==s2.SerializeAsString());
|
||||
}
|
||||
|
||||
template <>
|
||||
// Explicit instantiation for pb::Model
|
||||
template
|
||||
bool compareMessage<pb::Model>(const pb::Model& s1,const pb::Model& s2);
|
||||
template <>
|
||||
|
||||
template
|
||||
pb::Model loadMessage(const string& filepath);
|
||||
|
||||
template
|
||||
void saveMessage<pb::Model>(const string& filepath,const pb::Model& model);
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
@ -21,7 +21,7 @@ void saveMessage(const string& filepath,const T& sys);
|
||||
|
||||
// Returns true when the two systems are equal
|
||||
template<typename T>
|
||||
bool compareSys(const T& s1,const T& s2);
|
||||
bool compareMessage(const T& s1,const T& s2);
|
||||
|
||||
|
||||
|
||||
|
||||
@ -1,97 +1,97 @@
|
||||
// bracket_lin.h
|
||||
//
|
||||
// Author: J.A. de Jong
|
||||
//
|
||||
// Description: Bracket a function's root given a guess value, returns
|
||||
// another guess where the solution has the opposite sign
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
#pragma once
|
||||
#ifndef BRACKET_LIN_H
|
||||
#define BRACKET_LIN_H
|
||||
#include "system.h"
|
||||
#include "tasmet_tracer.h"
|
||||
#include <limits>
|
||||
|
||||
inline int sign(d& x){
|
||||
return x < 0? -1: 1;
|
||||
}
|
||||
const us maxiter = 100;
|
||||
|
||||
inline std::pair<d,d> bracket_root(NoGradientNonlinearSystem<d>& sys,const d guess) {
|
||||
|
||||
TRACE(10,"bracket_root()");
|
||||
|
||||
d xa = guess;
|
||||
d fa = sys.residual(xa);
|
||||
|
||||
if(fa == 0) {
|
||||
// Guess was exactly right
|
||||
return std::make_pair(xa,xa);
|
||||
}
|
||||
|
||||
d fb = fa;
|
||||
|
||||
// We add here a small amount, such that, in case the first guess
|
||||
// is 0, we
|
||||
d xb = xa+std::numeric_limits<d>::epsilon();
|
||||
|
||||
d factor = 1.001;
|
||||
d delta = xa/10 + std::numeric_limits<d>::epsilon();
|
||||
|
||||
us iter = 0;
|
||||
|
||||
int step = 64;
|
||||
|
||||
bool switched = false;
|
||||
|
||||
while (iter < maxiter) {
|
||||
|
||||
VARTRACE(5,xb);
|
||||
|
||||
xb += delta*factor;
|
||||
|
||||
fb = sys.residual(xb);
|
||||
|
||||
if(sign(fa) != sign(fb)) {
|
||||
// Found it!
|
||||
VARTRACE(5,xa);
|
||||
VARTRACE(5,xb);
|
||||
VARTRACE(5,fa);
|
||||
VARTRACE(5,fb);
|
||||
return std::make_pair(xa,xb);
|
||||
}
|
||||
|
||||
if (abs(fb) < abs(fa)){
|
||||
// We found a point which is closer to the real root
|
||||
xa = xb;
|
||||
fa = fb;
|
||||
}
|
||||
else if(!switched) {
|
||||
TRACE(5,"Switching search direction");
|
||||
switched = true;
|
||||
// We searched in the wrong direction
|
||||
factor*=-1;
|
||||
}
|
||||
|
||||
// Heuristic: normally it's best not to increase the step sizes as we'll just end up
|
||||
// with a really wide range to search for the root. However, if the initial guess was *really*
|
||||
// bad then we need to speed up the search otherwise we'll take forever if we're orders of
|
||||
// magnitude out. This happens most often if the guess is a small value (say 1) and the result
|
||||
// we're looking for is close to std::numeric_limits<T>::min().
|
||||
//
|
||||
|
||||
if((10000 - iter) % step == 0) {
|
||||
factor *=2;
|
||||
if(step > 1) step/=2;
|
||||
}
|
||||
|
||||
iter++;
|
||||
}
|
||||
|
||||
WARN("Failed to bracket root");
|
||||
|
||||
return std::make_pair(xa,xb);
|
||||
|
||||
}
|
||||
#endif // BRACKET_LIN_H
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
// bracket_lin.h
|
||||
//
|
||||
// Author: J.A. de Jong
|
||||
//
|
||||
// Description: Bracket a function's root given a guess value, returns
|
||||
// another guess where the solution has the opposite sign
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
#pragma once
|
||||
#ifndef BRACKET_LIN_H
|
||||
#define BRACKET_LIN_H
|
||||
#include "system.h"
|
||||
#include "tasmet_tracer.h"
|
||||
#include <limits>
|
||||
|
||||
inline int sign(d& x){
|
||||
return x < 0? -1: 1;
|
||||
}
|
||||
const us maxiter = 100;
|
||||
|
||||
inline std::pair<d,d> bracket_root(NoGradientNonlinearSystem<d>& sys,const d guess) {
|
||||
|
||||
TRACE(10,"bracket_root()");
|
||||
|
||||
d xa = guess;
|
||||
d fa = sys.residual(xa);
|
||||
|
||||
if(fa == 0) {
|
||||
// Guess was exactly right
|
||||
return std::make_pair(xa,xa);
|
||||
}
|
||||
|
||||
d fb = fa;
|
||||
|
||||
// We add here a small amount, such that, in case the first guess
|
||||
// is 0, we
|
||||
d xb = xa+std::numeric_limits<d>::epsilon();
|
||||
|
||||
d factor = 1.001;
|
||||
d delta = xa/10 + std::numeric_limits<d>::epsilon();
|
||||
|
||||
us iter = 0;
|
||||
|
||||
int step = 64;
|
||||
|
||||
bool switched = false;
|
||||
|
||||
while (iter < maxiter) {
|
||||
|
||||
VARTRACE(5,xb);
|
||||
|
||||
xb += delta*factor;
|
||||
|
||||
fb = sys.residual(xb);
|
||||
|
||||
if(sign(fa) != sign(fb)) {
|
||||
// Found it!
|
||||
VARTRACE(5,xa);
|
||||
VARTRACE(5,xb);
|
||||
VARTRACE(5,fa);
|
||||
VARTRACE(5,fb);
|
||||
return std::make_pair(xa,xb);
|
||||
}
|
||||
|
||||
if (abs(fb) < abs(fa)){
|
||||
// We found a point which is closer to the real root
|
||||
xa = xb;
|
||||
fa = fb;
|
||||
}
|
||||
else if(!switched) {
|
||||
TRACE(5,"Switching search direction");
|
||||
switched = true;
|
||||
// We searched in the wrong direction
|
||||
factor*=-1;
|
||||
}
|
||||
|
||||
// Heuristic: normally it's best not to increase the step sizes as we'll just end up
|
||||
// with a really wide range to search for the root. However, if the initial guess was *really*
|
||||
// bad then we need to speed up the search otherwise we'll take forever if we're orders of
|
||||
// magnitude out. This happens most often if the guess is a small value (say 1) and the result
|
||||
// we're looking for is close to std::numeric_limits<T>::min().
|
||||
//
|
||||
|
||||
if((10000 - iter) % step == 0) {
|
||||
factor *=2;
|
||||
if(step > 1) step/=2;
|
||||
}
|
||||
|
||||
iter++;
|
||||
}
|
||||
|
||||
WARN("Failed to bracket root");
|
||||
|
||||
return std::make_pair(xa,xb);
|
||||
|
||||
}
|
||||
#endif // BRACKET_LIN_H
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
|
||||
@ -1,180 +1,180 @@
|
||||
// brent.cpp
|
||||
//
|
||||
// last-edit-by: J.A. de Jong
|
||||
//
|
||||
// Description:
|
||||
// Brent's root finding algorithm as implemented from Wikipedia:
|
||||
// https://en.wikipedia.org/wiki/Brent's_method
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
#define TRACERPLUS (10)
|
||||
#include "brent.h"
|
||||
#include "tasmet_tracer.h"
|
||||
#include "tasmet_exception.h"
|
||||
#include <limits>
|
||||
#include "tasmet_constants.h"
|
||||
#include <algorithm> // std::swap
|
||||
#include "bracket_root.h"
|
||||
|
||||
const d eps = std::numeric_limits<d>::epsilon();
|
||||
|
||||
Brent::Brent(const NoGradientNonlinearSystem<d>& sys,d reltol):
|
||||
Solver(sys),
|
||||
_reltol(reltol)
|
||||
{
|
||||
|
||||
TRACE(15,"Brent::Brent");
|
||||
#ifdef TASMET_DEBUG
|
||||
bool ok=true;
|
||||
|
||||
ok&=(reltol >= eps);
|
||||
|
||||
if(!ok){
|
||||
throw TaSMETError("Brent: invalid arguments");
|
||||
}
|
||||
#endif
|
||||
}
|
||||
namespace {
|
||||
inline bool is_between(d x,d a,d b) {
|
||||
const d& mi = std::min(a,b);
|
||||
const d& ma = std::max(a,b);
|
||||
return ((mi <= x) && (x <=ma));
|
||||
}
|
||||
}
|
||||
|
||||
void Brent::start_implementation(NoGradientNonlinearSystem<d>& system,
|
||||
progress_callback* callback) {
|
||||
|
||||
TRACE(15,"Brent::start_implementation");
|
||||
|
||||
us niter = 0;
|
||||
|
||||
d a = system.getSolution();
|
||||
|
||||
std::pair<d,d> brackets = bracket_root(system,a);
|
||||
a = brackets.first;
|
||||
d b = brackets.second;
|
||||
|
||||
d fa = system.residual(a);
|
||||
if((fa) == 0) {
|
||||
TRACE(15,"Found root during bracketing");
|
||||
return;
|
||||
}
|
||||
|
||||
d fb = system.residual(b);
|
||||
if((fb) == 0) {
|
||||
TRACE(15,"Found root during bracketing");
|
||||
return;
|
||||
}
|
||||
d c = a;
|
||||
d fc = fa;
|
||||
|
||||
d s; // Test point
|
||||
d fs; // Function at test point
|
||||
|
||||
d t,u,v;
|
||||
d d_;
|
||||
|
||||
if(fa*fb>=0){
|
||||
WARN("Brent solver failed: root is not bracketed");
|
||||
return;
|
||||
}
|
||||
|
||||
if(abs(fa) < abs(fb)) {
|
||||
std::swap(a,b);
|
||||
std::swap(fa,fb);
|
||||
}
|
||||
|
||||
bool mflag = true;
|
||||
bool bisec_flag;
|
||||
SolverProgress progress;
|
||||
|
||||
while(true) {
|
||||
|
||||
if((fa!=fc) && (fb!=fc)){
|
||||
// Inverse quadratic interpolation
|
||||
TRACE(5,"IQI");
|
||||
t = a*fb*fc/((fa-fb)*(fa-fc));
|
||||
u = b*fa*fc/((fb-fa)*(fb-fc));
|
||||
v = c*fa*fb/((fc-fa)*(fc-fb));
|
||||
|
||||
s = t+u+v;
|
||||
}
|
||||
else {
|
||||
// Secant method
|
||||
TRACE(5,"Secant");
|
||||
s = b-fb*(b-a)/(fb-fa);
|
||||
}
|
||||
|
||||
bisec_flag = false;
|
||||
|
||||
d abssmb = abs(s-b);
|
||||
d absbmc = abs(b-c);
|
||||
d abscmd = abs(c-d_);
|
||||
|
||||
VARTRACE(5,s);
|
||||
|
||||
if((bisec_flag |= (!is_between(s,(3*a+b)/4,b)))) goto bflag;
|
||||
TRACE(5,"Survived 1");
|
||||
if(bisec_flag |= (mflag && (abssmb >= absbmc/2))) goto bflag;
|
||||
TRACE(5,"Survived 2");
|
||||
if(bisec_flag |= ((!mflag) && (abssmb >= abscmd/2))) goto bflag;
|
||||
TRACE(5,"Survived 3");
|
||||
if(bisec_flag |= (mflag && (absbmc < abs(_reltol)))) goto bflag;;
|
||||
TRACE(5,"Survived 4");
|
||||
bflag:
|
||||
if(bisec_flag || ((!mflag) && (abscmd < abs(_reltol)))) {
|
||||
TRACE(5,"Bisection");
|
||||
s = (a+b)/2;
|
||||
mflag = true;
|
||||
}
|
||||
else {
|
||||
mflag = false;
|
||||
}
|
||||
|
||||
fs = system.residual(s);
|
||||
d_ = c;
|
||||
|
||||
if(fa*fs < 0) {
|
||||
c = b;
|
||||
fc = fb;
|
||||
b=s;
|
||||
fb = fs;
|
||||
}
|
||||
else {
|
||||
c = a;
|
||||
fc = fa;
|
||||
a = s;
|
||||
fa = fs;
|
||||
}
|
||||
if(abs(fa)<abs(fb)) {
|
||||
std::swap(a,b);
|
||||
std::swap(fa,fb);
|
||||
}
|
||||
|
||||
progress.fun_err = abs(fs);
|
||||
progress.rel_err = abs(b-a);
|
||||
progress.iteration++;
|
||||
|
||||
VARTRACE(5,s);
|
||||
VARTRACE(5,a);
|
||||
VARTRACE(5,b);
|
||||
VARTRACE(5,c);
|
||||
VARTRACE(5,fa);
|
||||
VARTRACE(5,fb);
|
||||
VARTRACE(5,fc);
|
||||
VARTRACE(5,fs);
|
||||
|
||||
SolverAction action = (*callback)(progress);
|
||||
|
||||
if(action==Stop){
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
system.updateSolution(b);
|
||||
}
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
// brent.cpp
|
||||
//
|
||||
// last-edit-by: J.A. de Jong
|
||||
//
|
||||
// Description:
|
||||
// Brent's root finding algorithm as implemented from Wikipedia:
|
||||
// https://en.wikipedia.org/wiki/Brent's_method
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
#define TRACERPLUS (10)
|
||||
#include "brent.h"
|
||||
#include "tasmet_tracer.h"
|
||||
#include "tasmet_exception.h"
|
||||
#include <limits>
|
||||
#include "tasmet_constants.h"
|
||||
#include <algorithm> // std::swap
|
||||
#include "bracket_root.h"
|
||||
|
||||
const d eps = std::numeric_limits<d>::epsilon();
|
||||
|
||||
Brent::Brent(const NoGradientNonlinearSystem<d>& sys,d reltol):
|
||||
Solver(sys),
|
||||
_reltol(reltol)
|
||||
{
|
||||
|
||||
TRACE(15,"Brent::Brent");
|
||||
#ifdef TASMET_DEBUG
|
||||
bool ok=true;
|
||||
|
||||
ok&=(reltol >= eps);
|
||||
|
||||
if(!ok){
|
||||
throw TaSMETError("Brent: invalid arguments");
|
||||
}
|
||||
#endif
|
||||
}
|
||||
namespace {
|
||||
inline bool is_between(d x,d a,d b) {
|
||||
const d& mi = std::min(a,b);
|
||||
const d& ma = std::max(a,b);
|
||||
return ((mi <= x) && (x <=ma));
|
||||
}
|
||||
}
|
||||
|
||||
void Brent::start_implementation(NoGradientNonlinearSystem<d>& system,
|
||||
progress_callback* callback) {
|
||||
|
||||
TRACE(15,"Brent::start_implementation");
|
||||
|
||||
us niter = 0;
|
||||
|
||||
d a = system.getSolution();
|
||||
|
||||
std::pair<d,d> brackets = bracket_root(system,a);
|
||||
a = brackets.first;
|
||||
d b = brackets.second;
|
||||
|
||||
d fa = system.residual(a);
|
||||
if((fa) == 0) {
|
||||
TRACE(15,"Found root during bracketing");
|
||||
return;
|
||||
}
|
||||
|
||||
d fb = system.residual(b);
|
||||
if((fb) == 0) {
|
||||
TRACE(15,"Found root during bracketing");
|
||||
return;
|
||||
}
|
||||
d c = a;
|
||||
d fc = fa;
|
||||
|
||||
d s; // Test point
|
||||
d fs; // Function at test point
|
||||
|
||||
d t,u,v;
|
||||
d d_;
|
||||
|
||||
if(fa*fb>=0){
|
||||
WARN("Brent solver failed: root is not bracketed");
|
||||
return;
|
||||
}
|
||||
|
||||
if(abs(fa) < abs(fb)) {
|
||||
std::swap(a,b);
|
||||
std::swap(fa,fb);
|
||||
}
|
||||
|
||||
bool mflag = true;
|
||||
bool bisec_flag;
|
||||
SolverProgress progress;
|
||||
|
||||
while(true) {
|
||||
|
||||
if((fa!=fc) && (fb!=fc)){
|
||||
// Inverse quadratic interpolation
|
||||
TRACE(5,"IQI");
|
||||
t = a*fb*fc/((fa-fb)*(fa-fc));
|
||||
u = b*fa*fc/((fb-fa)*(fb-fc));
|
||||
v = c*fa*fb/((fc-fa)*(fc-fb));
|
||||
|
||||
s = t+u+v;
|
||||
}
|
||||
else {
|
||||
// Secant method
|
||||
TRACE(5,"Secant");
|
||||
s = b-fb*(b-a)/(fb-fa);
|
||||
}
|
||||
|
||||
bisec_flag = false;
|
||||
|
||||
d abssmb = abs(s-b);
|
||||
d absbmc = abs(b-c);
|
||||
d abscmd = abs(c-d_);
|
||||
|
||||
VARTRACE(5,s);
|
||||
|
||||
if((bisec_flag |= (!is_between(s,(3*a+b)/4,b)))) goto bflag;
|
||||
TRACE(5,"Survived 1");
|
||||
if(bisec_flag |= (mflag && (abssmb >= absbmc/2))) goto bflag;
|
||||
TRACE(5,"Survived 2");
|
||||
if(bisec_flag |= ((!mflag) && (abssmb >= abscmd/2))) goto bflag;
|
||||
TRACE(5,"Survived 3");
|
||||
if(bisec_flag |= (mflag && (absbmc < abs(_reltol)))) goto bflag;;
|
||||
TRACE(5,"Survived 4");
|
||||
bflag:
|
||||
if(bisec_flag || ((!mflag) && (abscmd < abs(_reltol)))) {
|
||||
TRACE(5,"Bisection");
|
||||
s = (a+b)/2;
|
||||
mflag = true;
|
||||
}
|
||||
else {
|
||||
mflag = false;
|
||||
}
|
||||
|
||||
fs = system.residual(s);
|
||||
d_ = c;
|
||||
|
||||
if(fa*fs < 0) {
|
||||
c = b;
|
||||
fc = fb;
|
||||
b=s;
|
||||
fb = fs;
|
||||
}
|
||||
else {
|
||||
c = a;
|
||||
fc = fa;
|
||||
a = s;
|
||||
fa = fs;
|
||||
}
|
||||
if(abs(fa)<abs(fb)) {
|
||||
std::swap(a,b);
|
||||
std::swap(fa,fb);
|
||||
}
|
||||
|
||||
progress.fun_err = abs(fs);
|
||||
progress.rel_err = abs(b-a);
|
||||
progress.iteration++;
|
||||
|
||||
VARTRACE(5,s);
|
||||
VARTRACE(5,a);
|
||||
VARTRACE(5,b);
|
||||
VARTRACE(5,c);
|
||||
VARTRACE(5,fa);
|
||||
VARTRACE(5,fb);
|
||||
VARTRACE(5,fc);
|
||||
VARTRACE(5,fs);
|
||||
|
||||
SolverAction action = (*callback)(progress);
|
||||
|
||||
if(action==Stop){
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
system.updateSolution(b);
|
||||
}
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
|
||||
@ -62,15 +62,15 @@ TaSystem::TaSystem(const pb::System& sys):
|
||||
}
|
||||
|
||||
// Copy solution vector, if valid
|
||||
const auto& sol = sys.solution();
|
||||
us size = sol.size(), i=0;
|
||||
if(size>0) {
|
||||
_solution = vd(size);
|
||||
for(auto& val: sol) {
|
||||
_solution(i) = val;
|
||||
i++;
|
||||
}
|
||||
}
|
||||
// const auto& sol = sys.solution();
|
||||
// us size = sol.size(), i=0;
|
||||
// if(size>0) {
|
||||
// _solution = vd(size);
|
||||
// for(auto& val: sol) {
|
||||
// _solution(i) = val;
|
||||
// i++;
|
||||
// }
|
||||
// }
|
||||
|
||||
}
|
||||
TaSystem::TaSystem(const TaSystem& o):
|
||||
|
||||
@ -105,7 +105,7 @@ namespace constants {
|
||||
const int nvars_reserve=7;
|
||||
const int neqs_reserve=7;
|
||||
|
||||
const char* const system_fileext = ".tasmet";
|
||||
const char* const model_fileext = ".tasmet";
|
||||
|
||||
} // namespace constants
|
||||
|
||||
|
||||
@ -1,70 +1,70 @@
|
||||
// tasmet_solvemodel.cpp
|
||||
//
|
||||
// last-edit-by: J.A. de Jong
|
||||
//
|
||||
// Description:
|
||||
// Program which can be used to solve a TaSMET Model from the CLI
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
#include "protobuf/system_tools.h" // loadSystem, saveSystem
|
||||
#include "tasmet_io.h"
|
||||
#include "tasmet_exception.h"
|
||||
#include "sys/tasystem.h"
|
||||
|
||||
// For using python from within Qt
|
||||
#include <PythonQt.h>
|
||||
|
||||
void usage(const char* fn) {
|
||||
cout << "Usage: " << endl;
|
||||
cout << fn << " [Input file] " << endl;
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
|
||||
INITTRACE(10);
|
||||
|
||||
// Initialize PythonQt
|
||||
// PythonQt::init(PythonQt::IgnoreSiteModule | PythonQt::RedirectStdOut);
|
||||
PythonQt::init();
|
||||
|
||||
PythonQt* pyqt = PythonQt::self();
|
||||
PythonQtObjectPtr context = pyqt->getMainModule();
|
||||
|
||||
QVariant rv = context.evalScript("from math import *\n");
|
||||
if(pyqt->hadError()) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
if(argc != 2) {
|
||||
usage(argv[0]);
|
||||
return -1;
|
||||
}
|
||||
|
||||
pb::System sys;
|
||||
|
||||
string filename = argv[1];
|
||||
try {
|
||||
sys = loadSystem(filename);
|
||||
}
|
||||
catch(TaSMETError &e) {
|
||||
cerr << e.what() << endl;
|
||||
return -1;
|
||||
}
|
||||
|
||||
cout << "Loaded model: " << endl;
|
||||
cout << sys.DebugString();
|
||||
|
||||
TaSystem* system;
|
||||
|
||||
try {
|
||||
system = new TaSystem(sys);
|
||||
}
|
||||
catch(TaSMETError &e) {
|
||||
cerr << "Model initialization error: " << endl;
|
||||
cerr << e.what() << endl;
|
||||
return -1;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
// tasmet_solvemodel.cpp
|
||||
//
|
||||
// last-edit-by: J.A. de Jong
|
||||
//
|
||||
// Description:
|
||||
// Program which can be used to solve a TaSMET Model from the CLI
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
#include "protobuf/message_tools.h" // loadSystem, saveSystem
|
||||
#include "tasmet_io.h"
|
||||
#include "tasmet_exception.h"
|
||||
#include "sys/tasystem.h"
|
||||
#include "protobuf/model.pb.h"
|
||||
// For using python from within Qt
|
||||
#include <PythonQt.h>
|
||||
|
||||
void usage(const char* fn) {
|
||||
cout << "Usage: " << endl;
|
||||
cout << fn << " [Input file] " << endl;
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
|
||||
INITTRACE(10);
|
||||
|
||||
// Initialize PythonQt
|
||||
// PythonQt::init(PythonQt::IgnoreSiteModule | PythonQt::RedirectStdOut);
|
||||
PythonQt::init();
|
||||
|
||||
PythonQt* pyqt = PythonQt::self();
|
||||
PythonQtObjectPtr context = pyqt->getMainModule();
|
||||
|
||||
QVariant rv = context.evalScript("from math import *\n");
|
||||
if(pyqt->hadError()) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
if(argc != 2) {
|
||||
usage(argv[0]);
|
||||
return -1;
|
||||
}
|
||||
|
||||
pb::Model model;
|
||||
|
||||
string filename = argv[1];
|
||||
try {
|
||||
model = loadMessage<pb::Model>(filename);
|
||||
}
|
||||
catch(TaSMETError &e) {
|
||||
cerr << e.what() << endl;
|
||||
return -1;
|
||||
}
|
||||
|
||||
cout << "Loaded model: " << endl;
|
||||
cout << model.system().DebugString();
|
||||
|
||||
TaSystem* system;
|
||||
|
||||
try {
|
||||
system = new TaSystem(model.system());
|
||||
}
|
||||
catch(TaSMETError &e) {
|
||||
cerr << "Model initialization error: " << endl;
|
||||
cerr << e.what() << endl;
|
||||
return -1;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
|
||||
@ -1,86 +1,86 @@
|
||||
// tasmet_types.h
|
||||
//
|
||||
// Author: J.A. de Jong
|
||||
//
|
||||
// Description:
|
||||
// Typedefs and namespace pollution for stuff that is almost always
|
||||
// needed.
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
#pragma once
|
||||
#ifndef TASMET_TYPES_H
|
||||
#define TASMET_TYPES_H
|
||||
#include <type_traits>
|
||||
|
||||
// We require C++
|
||||
#ifndef __cplusplus
|
||||
#error The c++ compiler should be used.
|
||||
#endif
|
||||
|
||||
// Some header files I (almost) always need
|
||||
#include <vector> // C++ std vector
|
||||
#include <string> // C++ string class
|
||||
#include <complex>
|
||||
#include <armadillo> // Our linear algebra package
|
||||
|
||||
typedef size_t us; /* Size type I always use */
|
||||
|
||||
#define fillwith arma::fill // Fill vector or matrix with ...
|
||||
|
||||
// To change the whole code to 32-bit floating points, change this to
|
||||
// float.
|
||||
#if TASMET_FLOAT == 32
|
||||
typedef float d; /* Shortcut for double */
|
||||
#elif TASMET_FLOAT == 64
|
||||
typedef double d; /* Shortcut for double */
|
||||
#else
|
||||
static_assert(false,"TASMET_FLOAT should be either 32 or 64");
|
||||
#endif
|
||||
|
||||
typedef std::complex<d> c; /* Shortcut for c++ complex number */
|
||||
|
||||
using arma::abs;
|
||||
using std::string; /* C++ Strings */
|
||||
using std::vector; // C++ Vectors
|
||||
|
||||
/* Armadillo functions and objects we often need */
|
||||
using arma::sin;
|
||||
using arma::cos;
|
||||
using arma::exp;
|
||||
using arma::ones;
|
||||
using arma::zeros;
|
||||
using arma::eye;
|
||||
using arma::inv;
|
||||
using arma::det;
|
||||
using arma::log_det;
|
||||
using arma::norm;
|
||||
using arma::span;
|
||||
using arma::linspace;
|
||||
using arma::diagmat;
|
||||
|
||||
// Constants
|
||||
// I need these numbers so often, that they can be in the global namespace
|
||||
|
||||
const c I(0,1); //Complex unity
|
||||
const c sqI=sqrt(I);
|
||||
const d sq2=sqrt(2.0);
|
||||
const c sqmI=sqrt(-1.0*I);
|
||||
const c minI(0,-1); //Minus complex unity
|
||||
const d number_pi=arma::datum::pi; // The number 3.14159265359..
|
||||
|
||||
template<size_t i>
|
||||
using vdi = arma::Col<d>::fixed<i>;
|
||||
template<size_t i>
|
||||
using vci = arma::Col<c>::fixed<i>;
|
||||
|
||||
typedef arma::Col<d> vd; /* Column vector of doubles */
|
||||
typedef arma::Col<c> vc; /* Column vector of complex numbers */
|
||||
typedef arma::Col<us> vus; /* Column vector of unsigned integers */
|
||||
typedef arma::Mat<d> dmat; /* (Dense) Matrix of doubles */
|
||||
typedef arma::Mat<c> cmat; /* (Dense) matrix of complex numbers */
|
||||
|
||||
typedef arma::SpMat<d> sdmat; /* Sparse matrix of doubles */
|
||||
|
||||
|
||||
#endif // TASMET_TYPES_H
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
|
||||
// tasmet_types.h
|
||||
//
|
||||
// Author: J.A. de Jong
|
||||
//
|
||||
// Description:
|
||||
// Typedefs and namespace pollution for stuff that is almost always
|
||||
// needed.
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
#pragma once
|
||||
#ifndef TASMET_TYPES_H
|
||||
#define TASMET_TYPES_H
|
||||
#include <type_traits>
|
||||
|
||||
// We require C++
|
||||
#ifndef __cplusplus
|
||||
#error The c++ compiler should be used.
|
||||
#endif
|
||||
|
||||
// Some header files I (almost) always need
|
||||
#include <vector> // C++ std vector
|
||||
#include <string> // C++ string class
|
||||
#include <complex>
|
||||
#include <armadillo> // Our linear algebra package
|
||||
|
||||
typedef size_t us; /* Size type I always use */
|
||||
|
||||
#define fillwith arma::fill // Fill vector or matrix with ...
|
||||
|
||||
// To change the whole code to 32-bit floating points, change this to
|
||||
// float.
|
||||
#if TASMET_FLOAT == 32
|
||||
typedef float d; /* Shortcut for double */
|
||||
#elif TASMET_FLOAT == 64
|
||||
typedef double d; /* Shortcut for double */
|
||||
#else
|
||||
static_assert(false,"TASMET_FLOAT should be either 32 or 64");
|
||||
#endif
|
||||
|
||||
typedef std::complex<d> c; /* Shortcut for c++ complex number */
|
||||
|
||||
using arma::abs;
|
||||
using std::string; /* C++ Strings */
|
||||
using std::vector; // C++ Vectors
|
||||
|
||||
/* Armadillo functions and objects we often need */
|
||||
using arma::sin;
|
||||
using arma::cos;
|
||||
using arma::exp;
|
||||
using arma::ones;
|
||||
using arma::zeros;
|
||||
using arma::eye;
|
||||
using arma::inv;
|
||||
using arma::det;
|
||||
using arma::log_det;
|
||||
using arma::norm;
|
||||
using arma::span;
|
||||
using arma::linspace;
|
||||
using arma::diagmat;
|
||||
|
||||
// Constants
|
||||
// I need these numbers so often, that they can be in the global namespace
|
||||
|
||||
const c I(0,1); //Complex unity
|
||||
const c sqI=sqrt(I);
|
||||
const d sq2=sqrt(2.0);
|
||||
const c sqmI=sqrt(-1.0*I);
|
||||
const c minI(0,-1); //Minus complex unity
|
||||
const d number_pi=arma::datum::pi; // The number 3.14159265359..
|
||||
|
||||
template<size_t i>
|
||||
using vdi = arma::Col<d>::fixed<i>;
|
||||
template<size_t i>
|
||||
using vci = arma::Col<c>::fixed<i>;
|
||||
|
||||
typedef arma::Col<d> vd; /* Column vector of doubles */
|
||||
typedef arma::Col<c> vc; /* Column vector of complex numbers */
|
||||
typedef arma::Col<us> vus; /* Column vector of unsigned integers */
|
||||
typedef arma::Mat<d> dmat; /* (Dense) Matrix of doubles */
|
||||
typedef arma::Mat<c> cmat; /* (Dense) matrix of complex numbers */
|
||||
|
||||
typedef arma::SpMat<d> sdmat; /* Sparse matrix of doubles */
|
||||
|
||||
|
||||
#endif // TASMET_TYPES_H
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user