Esempio n. 1
0
  private ASTNESTMLCompilationUnit handleNeuronWithODE(
      final ASTNESTMLCompilationUnit root, final Path outputBase) {

    final Optional<Path> generatedScript =
        SymPyScriptGenerator.generateSympyODEAnalyzer(root.getNeurons().get(0), outputBase);

    checkState(generatedScript.isPresent());

    final SymPyScriptEvaluator evaluator = new SymPyScriptEvaluator();
    boolean successfulExecution = evaluator.execute(generatedScript.get());
    checkState(successfulExecution, "Error during solver script evaluation.");
    final Path odeTypePath = Paths.get(outputBase.toString(), SymPyScriptEvaluator.ODE_TYPE);
    final SolutionType solutionType = readSolutionType(odeTypePath);

    if (solutionType.equals(SolutionType.exact)) {
      info("ODE is solved exactly.", LOG_NAME);
      final ASTNESTMLCompilationUnit transformedModel =
          explicitSolutionTransformer.replaceODEWithSymPySolution(
              root,
              Paths.get(outputBase.toString(), SymPyScriptEvaluator.P30_FILE),
              Paths.get(outputBase.toString(), SymPyScriptEvaluator.PSC_INITIAL_VALUE_FILE),
              Paths.get(outputBase.toString(), SymPyScriptEvaluator.STATE_VECTOR_FILE),
              Paths.get(outputBase.toString(), SymPyScriptEvaluator.UPDATE_STEP_FILE));

      return transformedModel;
    } else {
      info("ODE is solved numerically.", LOG_NAME);
      return root;
    }
  }
Esempio n. 2
0
 private SolutionType readSolutionType(Path odeTypePath) {
   try {
     final List<String> type = Files.readAllLines(odeTypePath);
     checkState(type.size() == 1);
     return SolutionType.valueOf(type.get(0));
   } catch (IOException e) {
     throw new RuntimeException(e);
   }
 }