Package org.apache.commons.math.ode.nonstiff

Examples of org.apache.commons.math.ode.nonstiff.HighamHall54Integrator.integrate()

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        }
        private static final long serialVersionUID = 935652725339916361L;
      }, Double.POSITIVE_INFINITY, 1.0e-8 * maxStep, 1000);

      try {
        integ.integrate(pb,
                        pb.getInitialTime(), pb.getInitialState(),
                        pb.getFinalTime(), new double[pb.getDimension()]);
        fail("an exception should have been thrown");
      } catch (IntegratorException ie) {
        // expected behavior
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      }
      private static final long serialVersionUID = 935652725339916361L;
    }, Double.POSITIVE_INFINITY, 1.0e-8 * maxStep, 3);

    try {
      integ.integrate(pb,
                      pb.getInitialTime(), pb.getInitialState(),
                      pb.getFinalTime(), new double[pb.getDimension()]);
      fail("an exception should have been thrown");
    } catch (IntegratorException ie) {
       assertTrue(ie.getCause() != null);
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      double maxStep = pb.getFinalTime() - pb.getInitialTime();

      try {
        FirstOrderIntegrator integ =
            new HighamHall54Integrator(minStep, maxStep, new double[4], new double[4]);
        integ.integrate(pb, pb.getInitialTime(), new double[6],
                        pb.getFinalTime(), new double[pb.getDimension()]);
        fail("an exception should have been thrown");
      } catch (IntegratorException ie) {
        // expected behavior
      }
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      }

      try {
        FirstOrderIntegrator integ =
            new HighamHall54Integrator(minStep, maxStep, new double[4], new double[4]);
        integ.integrate(pb, pb.getInitialTime(), pb.getInitialState(),
                        pb.getFinalTime(), new double[6]);
        fail("an exception should have been thrown");
      } catch (IntegratorException ie) {
        // expected behavior
      }
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      }

      try {
        FirstOrderIntegrator integ =
            new HighamHall54Integrator(minStep, maxStep, new double[2], new double[4]);
        integ.integrate(pb, pb.getInitialTime(), pb.getInitialState(),
                        pb.getFinalTime(), new double[pb.getDimension()]);
        fail("an exception should have been thrown");
      } catch (IntegratorException ie) {
        // expected behavior
      }
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      }

      try {
        FirstOrderIntegrator integ =
            new HighamHall54Integrator(minStep, maxStep, new double[4], new double[2]);
        integ.integrate(pb, pb.getInitialTime(), pb.getInitialState(),
                        pb.getFinalTime(), new double[pb.getDimension()]);
        fail("an exception should have been thrown");
      } catch (IntegratorException ie) {
        // expected behavior
      }
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      }

      try {
        FirstOrderIntegrator integ =
            new HighamHall54Integrator(minStep, maxStep, new double[4], new double[4]);
        integ.integrate(pb, pb.getInitialTime(), pb.getInitialState(),
                        pb.getInitialTime(), new double[pb.getDimension()]);
        fail("an exception should have been thrown");
      } catch (IntegratorException ie) {
        // expected behavior
      }
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    FirstOrderIntegrator integ = new HighamHall54Integrator(minStep, maxStep,
                                                            vecAbsoluteTolerance,
                                                            vecRelativeTolerance);
    integ.addStepHandler(new KeplerHandler(pb));
    integ.integrate(pb,
                    pb.getInitialTime(), pb.getInitialState(),
                    pb.getFinalTime(), new double[pb.getDimension()]);
    assertEquals("Higham-Hall 5(4)", integ.getName());
  }
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              return 1;
          }
      };

      try  {
        integrator.integrate(equations, -1.0, new double[1], 0.0, new double[1]);
        fail("an exception should have been thrown");
      } catch(DerivativeException de) {
        // expected behavior
      }
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      } catch(DerivativeException de) {
        // expected behavior
      }

      try  {
        integrator.integrate(equations, 0.0, new double[1], 1.0, new double[1]);
        fail("an exception should have been thrown");
      } catch(DerivativeException de) {
        // expected behavior
      }
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