コード例 #1
0
ファイル: Exec.cs プロジェクト: luca-cardelli/KaemikaXM
        private static void Execute_Worker(bool doParse, bool doAST, bool doScope, bool autoContinue, bool chartOutput)
        {
            KGui.gui.GuiBeginningExecution();
            lastExecution = null;
            KGui.gui.GuiSaveInput();
            KGui.gui.GuiOutputClear();
            DateTime startTime = DateTime.Now;

            if (TheParser.Parser().Parse(KGui.gui.GuiInputGetText(), out IReduction root))
            {
                if (doParse)
                {
                    root.DrawReductionTree();
                }
                else
                {
                    Netlist netlist = new Netlist(autoContinue);
                    try
                    {
                        Statements statements = Parser.ParseTop(root);
                        if (doAST)
                        {
                            KGui.gui.GuiOutputAppendText(statements.Format());
                        }
                        else
                        {
                            SampleValue vessel       = Vessel(KControls.SelectNoiseSelectedItem != Noise.None);
                            Env         initialEnv   = new ValueEnv("vessel", Type.Sample, vessel, new BuiltinEnv(new NullEnv()));
                            Scope       initialScope = initialEnv.ToScope();
                            Scope       scope        = statements.Scope(initialScope);
                            if (doScope)
                            {
                                KGui.gui.GuiOutputAppendText(scope.Format());
                            }
                            else
                            {
                                Style style = new Style(varchar: scopeVariants ? defaultVarchar : null, new SwapMap(),
                                                        map: remapVariants ? new AlphaMap() : null, numberFormat: "G4", dataFormat: "full",  // we want it full for samples, but maybe only headers for functions/networks?
                                                        exportTarget: ExportTarget.Standard, traceFull: false, chartOutput: chartOutput);
                                KChartHandler.ChartClear("", "s", "M", style);
                                KChartHandler.LegendUpdate(style);
                                KScoreHandler.ScoreClear();
                                KControls.ParametersClear(style);
                                KDeviceHandler.Clear(style);
                                KDeviceHandler.Sample(vessel, style);

                                netlist.Emit(new SampleEntry(vessel));
                                DateTime evalTime = DateTime.Now;
                                lastExecution             = new ExecutionInstance(vessel, netlist, style, startTime, evalTime);
                                lastExecution.environment = statements.EvalReject(initialEnv, netlist, style, 0);
                                if (lastExecution.environment == null)
                                {
                                    throw new Error("Top level reject");
                                }
                                lastExecution.EndTime();

                                if (style.chartOutput)
                                {
                                    foreach (ParameterEntry parameter in netlist.Parameters())
                                    {
                                        KControls.AddParameter(parameter.symbol.Format(style), (parameter.value as NumberValue).value, parameter.distribution, style);
                                    }
                                    KGui.gui.GuiParametersUpdate(); // calls back KControls.ParametersUpdate, but only on Win/Mac
                                }

                                KGui.gui.GuiProcessOutput();
                            }
                        }
                    }
                    catch (ExecutionEnded) { lastExecution.EndTime(); KGui.gui.GuiOutputAppendText(lastExecution.ElapsedTime()); }
                    catch (ConstantEvaluation ex) { string cat = "Does not have a value: "; netlist.Emit(new CommentEntry(cat + ": " + ex.Message)); KGui.gui.GuiInputSetErrorSelection(-1, -1, 0, cat, ex.Message); }
                    catch (Error ex) { netlist.Emit(new CommentEntry(ex.Message)); KGui.gui.GuiInputSetErrorSelection(-1, -1, 0, "Error", ex.Message); try { KGui.gui.GuiProcessOutput(); } catch { }; }
                    catch (StackOverflowException ex) { netlist.Emit(new CommentEntry(ex.Message)); KGui.gui.GuiInputSetErrorSelection(-1, -1, 0, "Stack Overflow", ex.Message); }
                    catch (Exception ex) { string cat = "Something happened"; netlist.Emit(new CommentEntry(cat + ": " + ex.Message)); KGui.gui.GuiInputSetErrorSelection(-1, -1, 0, cat, ex.Message); }
                }
            }
            else
            {
                KGui.gui.GuiInputSetErrorSelection(TheParser.Parser().FailLineNumber(), TheParser.Parser().FailColumnNumber(), TheParser.Parser().FailLength(), TheParser.Parser().FailCategory(), TheParser.Parser().FailMessage());
            }
            EndingExecution();
        }
コード例 #2
0
        Integrate(Func <double, double, Vector, Func <double, Vector, Vector>, IEnumerable <SolPoint> > Solver,
                  State initialState, double initialTime, double finalTime, Func <double, Vector, Vector> Flux,
                  SampleValue sample, List <ReportEntry> reports, Noise noise, bool nonTrivialSolution, Style style)
        {
            double redrawTick = initialTime; double redrawStep = (finalTime - initialTime) / 50;
            double densityTick = initialTime; double densityStep = (finalTime - initialTime) / 1000;
            int    pointsCounter   = 0;
            int    renderedCounter = 0;
            double lastTime        = finalTime;
            State  lastState       = null;

            if (initialState.NaN())
            {
                Gui.Log("Initial state contains NaN.");
                return(lastTime, lastState);
            }

            KChartHandler.ChartClearData(style);
            (string[] series, string[] seriesLNA) = GenerateSeries(reports, noise, style);
            KChartHandler.LegendUpdate(style);
            KScoreHandler.ScoreUpdate();

            IEnumerable <SolPoint> solution = SolutionGererator(Solver, initialState, initialTime, finalTime, Flux, nonTrivialSolution, style);
            List <TriggerEntry>    triggers = sample.Triggers(style);

            bool[] triggered = new bool[triggers.Count]; for (int i = 0; i < triggers.Count; i++)
            {
                triggered[i] = false;
            }

            // BEGIN foreach (SolPoint solPoint in solution)  -- done by hand to catch exceptions in MoveNext()

            SolPoint solPoint    = new SolPoint(initialTime, initialState.Clone().ToArray());
            bool     hasSolPoint = false;
            var      enumerator  = solution.GetEnumerator();

            do
            {
                // Handle triggers first, they can apply to the initial state
                if (triggers.Count > 0)
                {
                    State state         = null; // allocated on need from solPoint
                    State modifiedState = null; // allocated on need from state
                    for (int i = 0; i < triggers.Count; i++)
                    {
                        if (triggered[i] == false)
                        {
                            TriggerEntry trigger = triggers[i];
                            if (state == null)
                            {
                                state = new State(sample.Count(), lna: noise != Noise.None).InitAll(solPoint.X);
                            }
                            if (trigger.condition.ObserveBool(sample, solPoint.T, state, Flux, style))
                            {
                                if (modifiedState == null)
                                {
                                    modifiedState = state.Clone();
                                }
                                double rawValue   = trigger.assignment.ObserveMean(sample, solPoint.T, state, Flux, style);
                                double assignment = trigger.sample.stateMap.NormalizeDimension(trigger.target, rawValue, trigger.dimension, trigger.sample.Volume(), style);
                                int    index      = sample.stateMap.IndexOf(trigger.target.symbol);
                                modifiedState.SetMean(index, assignment);
                                if (noise != Noise.None && trigger.assignmentVariance != null)
                                {
                                    double rawValueVariance   = trigger.assignmentVariance.ObserveMean(sample, solPoint.T, state, Flux, style);
                                    double assignmentVariance = trigger.sample.stateMap.NormalizeDimension(trigger.target, rawValueVariance, trigger.dimension, trigger.sample.Volume(), style);
                                    modifiedState.SetCovar(index, index, assignmentVariance);
                                }
                                triggered[i] = true;
                            }
                        }
                    }
                    if (modifiedState != null)          //restart the solver
                    {
                        State newState = modifiedState; // new State(sample.Count(), lna: noise != Noise.None).InitAll(modifiedState.ToArray());
                        solution   = SolutionGererator(Solver, newState, solPoint.T, finalTime, Flux, nonTrivialSolution, style);
                        enumerator = solution.GetEnumerator();
                    }
                }

                try {
                    if (!enumerator.MoveNext())
                    {
                        break;
                    }
                    solPoint    = enumerator.Current;    // get next step of integration from solver
                    hasSolPoint = true;
                }
                catch (ConstantEvaluation e) { // stop simulation but allow execution to proceed
                    Gui.Log("Simulation stopped and ignored: cannot evaluate constant '" + e.Message + "'");
                    return(lastTime, lastState);
                }
                catch (Error e) { throw new Error(e.Message); }
                catch (Exception e) { KChartHandler.ChartUpdate(style, false); throw new Error("ODE Solver FAILED: " + e.Message); }
                pointsCounter++;

                // LOOP BODY of foreach (SolPoint solPoint in solution):
                if (!Exec.IsExecuting())
                {
                    KChartHandler.ChartUpdate(style); throw new ExecutionEnded("");
                }                                  // break;

                if (style.chartOutput)             // Plot the new solution point
                {
                    if (solPoint.T >= densityTick) // avoid drawing too many points
                    {
                        State state = new State(sample.Count(), lna: noise != Noise.None).InitAll(solPoint.X);
                        for (int i = 0; i < reports.Count; i++)
                        {
                            if (series[i] != null)   // if a series was actually generated from this report
                            // generate deterministic series
                            {
                                if ((noise == Noise.None && reports[i].flow.HasDeterministicValue()) ||
                                    (noise != Noise.None && reports[i].flow.HasStochasticMean()))
                                {
                                    double mean = reports[i].flow.ObserveMean(sample, solPoint.T, state, Flux, style);
                                    KChartHandler.ChartAddPoint(series[i], solPoint.T, mean, 0.0, Noise.None);
                                }
                                // generate LNA-dependent series
                                if (noise != Noise.None && reports[i].flow.HasStochasticVariance() && !reports[i].flow.HasNullVariance())
                                {
                                    double mean     = reports[i].flow.ObserveMean(sample, solPoint.T, state, Flux, style);
                                    double variance = reports[i].flow.ObserveVariance(sample, solPoint.T, state, style);
                                    KChartHandler.ChartAddPoint(seriesLNA[i], solPoint.T, mean, variance, noise);
                                }
                            }
                        }
                        renderedCounter++;
                        densityTick += densityStep;
                    }
                    if (solPoint.T >= redrawTick)   // avoid redrawing the plot too often
                    {
                        KChartHandler.ChartUpdate(style, incremental: true);
                        redrawTick += redrawStep;
                    }
                }

                lastTime = solPoint.T;

                // END foreach (SolPoint solPoint in solution)
            } while (true);

            if (hasSolPoint)
            {
                lastState = new State(sample.Count(), lna: noise != Noise.None).InitAll(solPoint.X);
            }
            KChartHandler.ChartUpdate(style, incremental: false);

            return(lastTime, lastState);
        }