public static SampleValue MassCompileSample(Symbol outSymbol, SampleValue inSample, Netlist netlist, Style style) { //inSample.Consume(null, 0, null, netlist, style); // this prevents simulating a sample and its massaction version in succession List <ReactionValue> inReactions = inSample.RelevantReactions(netlist, style); CRN inCrn = new CRN(inSample, inReactions); Gui.Log(Environment.NewLine + inCrn.FormatNice(style)); (Lst <Polynomize.ODE> odes, Lst <Polynomize.Equation> eqs) = Polynomize.FromCRN(inCrn); (Lst <Polynomize.PolyODE> polyOdes, Lst <Polynomize.Equation> polyEqs) = Polynomize.PolynomizeODEs(odes, eqs.Reverse(), style); Gui.Log("Polynomize:" + Environment.NewLine + Polynomize.PolyODE.Format(polyOdes, style) + "Initial:" + Environment.NewLine + Polynomize.Equation.Format(polyEqs, style)); (Lst <Polynomize.PolyODE> posOdes, Lst <Polynomize.Equation> posEqs, Dictionary <Symbol, SpeciesFlow> dict, Lst <Positivize.Subst> substs) = Positivize.PositivizeODEs(polyOdes, polyEqs, style); Gui.Log("Positivize:" + Environment.NewLine + Polynomize.PolyODE.Format(posOdes, style) + "Initial:" + Environment.NewLine + Polynomize.Equation.Format(posEqs, style)); Lst <ReactionValue> outReactions = Hungarize.ToReactions(posOdes, style); Gui.Log("Hungarize:" + Environment.NewLine + outReactions.FoldR((r, s) => { return(r.FormatNormal(style) + Environment.NewLine + s); }, "") + "Initial:" + Environment.NewLine + Polynomize.Equation.Format(posEqs, style)); SampleValue outSample = new SampleValue(outSymbol, new StateMap(outSymbol, new List <SpeciesValue> { }, new State(0, lna: inSample.stateMap.state.lna)), new NumberValue(inSample.Volume()), new NumberValue(inSample.Temperature()), produced: true); netlist.Emit(new SampleEntry(outSample)); posOdes.Each(ode => { Flow initFlow = Polynomize.Equation.ToFlow(ode.var, posEqs, style).Normalize(style); double init; if (initFlow is NumberFlow num) { init = num.value; } else { throw new Error("Cannot generate a simulatable sample because initial values contain constants (but the symbolic version has been generated assuming constants are nonnegative)."); } if (init < 0) { throw new Error("Negative initial value of Polynomized ODE for: " + Polynomize.Lookup(ode.var, eqs, style).Format(style) + " = " + init + Environment.NewLine + Polynomize.Equation.Format(eqs, style)); } outSample.stateMap.AddDimensionedSpecies(new SpeciesValue(ode.var.species, -1.0), init, 0.0, "M", outSample.Volume(), style); }); outReactions.Each(reaction => { netlist.Emit(new ReactionEntry(reaction)); }); substs.Each(subst => { ReportEntry report = new ReportEntry(null, OpFlow.Op(subst.plus, "-", subst.minus), null, outSample); outSample.AddReport(report); }); foreach (KeyValuePair <Symbol, SpeciesFlow> keypair in dict) { ReportEntry report = new ReportEntry(null, keypair.Value, null, outSample); outSample.AddReport(report); } ; return(outSample); }
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); }