org.apache.commons.math.ode.sampling.DummyStepInterpolator Java Examples

The following examples show how to use org.apache.commons.math.ode.sampling.DummyStepInterpolator. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws DerivativeException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, new double[y.length], true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #2
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws MathUserException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, new double[y.length], true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(FastMath.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(FastMath.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #3
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws DerivativeException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #4
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws DerivativeException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, new double[y.length], true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(FastMath.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(FastMath.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #5
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws DerivativeException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, new double[y.length], true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #6
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws MathUserException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, new double[y.length], true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      Assert.assertTrue(FastMath.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      Assert.assertTrue(FastMath.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #7
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws DerivativeException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #8
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws DerivativeException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #9
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws DerivativeException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, new double[y.length], true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #10
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws DerivativeException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, new double[y.length], true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #11
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws DerivativeException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #12
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws DerivativeException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #13
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws DerivativeException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #14
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws MathUserException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, new double[y.length], true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      Assert.assertTrue(FastMath.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      Assert.assertTrue(FastMath.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #15
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws DerivativeException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #16
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
@Test
public void testFixedState()
  throws DerivativeException {

  double[]   y    =   { 1.0, 3.0, -4.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  interpolator.setInterpolatedTime(0.1);
  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

  interpolator.setInterpolatedTime(0.5);
  result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #17
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
@Test
public void testSerialization()
throws DerivativeException, IOException, ClassNotFoundException {

  double[]   y    =   { 0.0, 1.0, -2.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, new double[y.length], true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  ByteArrayOutputStream bos = new ByteArrayOutputStream();
  ObjectOutputStream    oos = new ObjectOutputStream(bos);
  oos.writeObject(interpolator);

  assertTrue(bos.size () > 150);
  assertTrue(bos.size () < 250);

  ByteArrayInputStream  bis = new ByteArrayInputStream(bos.toByteArray());
  ObjectInputStream     ois = new ObjectInputStream(bis);
  DummyStepInterpolator dsi = (DummyStepInterpolator) ois.readObject();

  dsi.setInterpolatedTime(0.5);
  double[] result = dsi.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #18
Source File: ContinuousOutputModelTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
private StepInterpolator buildInterpolator(double t0, double[] y0, double t1) {
    DummyStepInterpolator interpolator  = new DummyStepInterpolator(y0, t1 >= t0);
    interpolator.storeTime(t0);
    interpolator.shift();
    interpolator.storeTime(t1);
    return interpolator;
}
Example #19
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
@Test
public void testSerialization()
throws DerivativeException, IOException, ClassNotFoundException {

  double[]   y    =   { 0.0, 1.0, -2.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  ByteArrayOutputStream bos = new ByteArrayOutputStream();
  ObjectOutputStream    oos = new ObjectOutputStream(bos);
  oos.writeObject(interpolator);

  assertTrue(bos.size () > 150);
  assertTrue(bos.size () < 250);

  ByteArrayInputStream  bis = new ByteArrayInputStream(bos.toByteArray());
  ObjectInputStream     ois = new ObjectInputStream(bis);
  DummyStepInterpolator dsi = (DummyStepInterpolator) ois.readObject();

  dsi.setInterpolatedTime(0.5);
  double[] result = dsi.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #20
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
@Test
public void testNoReset() throws DerivativeException {

  double[]   y    =   { 0.0, 1.0, -2.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
    assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #21
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
@Test
public void testNoReset() throws DerivativeException {

  double[]   y    =   { 0.0, 1.0, -2.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
    assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #22
Source File: ContinuousOutputModelTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
private StepInterpolator buildInterpolator(double t0, double[] y0, double t1) {
    DummyStepInterpolator interpolator  = new DummyStepInterpolator(y0, new double[y0.length], t1 >= t0);
    interpolator.storeTime(t0);
    interpolator.shift();
    interpolator.storeTime(t1);
    return interpolator;
}
Example #23
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
@Test
public void testSerialization()
throws MathUserException, IOException, ClassNotFoundException {

  double[]   y    =   { 0.0, 1.0, -2.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, new double[y.length], true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  ByteArrayOutputStream bos = new ByteArrayOutputStream();
  ObjectOutputStream    oos = new ObjectOutputStream(bos);
  oos.writeObject(interpolator);

  Assert.assertTrue(bos.size () > 200);
  Assert.assertTrue(bos.size () < 300);

  ByteArrayInputStream  bis = new ByteArrayInputStream(bos.toByteArray());
  ObjectInputStream     ois = new ObjectInputStream(bis);
  DummyStepInterpolator dsi = (DummyStepInterpolator) ois.readObject();

  dsi.setInterpolatedTime(0.5);
  double[] result = dsi.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      Assert.assertTrue(FastMath.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #24
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
@Test
public void testSerialization()
throws DerivativeException, IOException, ClassNotFoundException {

  double[]   y    =   { 0.0, 1.0, -2.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  ByteArrayOutputStream bos = new ByteArrayOutputStream();
  ObjectOutputStream    oos = new ObjectOutputStream(bos);
  oos.writeObject(interpolator);

  assertTrue(bos.size () > 150);
  assertTrue(bos.size () < 250);

  ByteArrayInputStream  bis = new ByteArrayInputStream(bos.toByteArray());
  ObjectInputStream     ois = new ObjectInputStream(bis);
  DummyStepInterpolator dsi = (DummyStepInterpolator) ois.readObject();

  dsi.setInterpolatedTime(0.5);
  double[] result = dsi.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #25
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
@Test
public void testNoReset() throws MathUserException {

  double[]   y    =   { 0.0, 1.0, -2.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, new double[y.length], true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
    Assert.assertTrue(FastMath.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #26
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
@Test
public void testNoReset() throws DerivativeException {

  double[]   y    =   { 0.0, 1.0, -2.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  double[] result = interpolator.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
    assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #27
Source File: ContinuousOutputModelTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
private StepInterpolator buildInterpolator(double t0, double[] y0, double t1) {
    DummyStepInterpolator interpolator  = new DummyStepInterpolator(y0, new double[y0.length], t1 >= t0);
    interpolator.storeTime(t0);
    interpolator.shift();
    interpolator.storeTime(t1);
    return interpolator;
}
Example #28
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
@Test
public void testSerialization()
throws DerivativeException, IOException, ClassNotFoundException {

  double[]   y    =   { 0.0, 1.0, -2.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, new double[y.length], true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  ByteArrayOutputStream bos = new ByteArrayOutputStream();
  ObjectOutputStream    oos = new ObjectOutputStream(bos);
  oos.writeObject(interpolator);

  assertTrue(bos.size () > 150);
  assertTrue(bos.size () < 250);

  ByteArrayInputStream  bis = new ByteArrayInputStream(bos.toByteArray());
  ObjectInputStream     ois = new ObjectInputStream(bis);
  DummyStepInterpolator dsi = (DummyStepInterpolator) ois.readObject();

  dsi.setInterpolatedTime(0.5);
  double[] result = dsi.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}
Example #29
Source File: ContinuousOutputModelTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
private StepInterpolator buildInterpolator(double t0, double[] y0, double t1) {
    DummyStepInterpolator interpolator  = new DummyStepInterpolator(y0, t1 >= t0);
    interpolator.storeTime(t0);
    interpolator.shift();
    interpolator.storeTime(t1);
    return interpolator;
}
Example #30
Source File: DummyStepInterpolatorTest.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
@Test
public void testSerialization()
throws DerivativeException, IOException, ClassNotFoundException {

  double[]   y    =   { 0.0, 1.0, -2.0 };
  DummyStepInterpolator interpolator = new DummyStepInterpolator(y, true);
  interpolator.storeTime(0);
  interpolator.shift();
  interpolator.storeTime(1);

  ByteArrayOutputStream bos = new ByteArrayOutputStream();
  ObjectOutputStream    oos = new ObjectOutputStream(bos);
  oos.writeObject(interpolator);

  assertTrue(bos.size () > 150);
  assertTrue(bos.size () < 250);

  ByteArrayInputStream  bis = new ByteArrayInputStream(bos.toByteArray());
  ObjectInputStream     ois = new ObjectInputStream(bis);
  DummyStepInterpolator dsi = (DummyStepInterpolator) ois.readObject();

  dsi.setInterpolatedTime(0.5);
  double[] result = dsi.getInterpolatedState();
  for (int i = 0; i < result.length; ++i) {
      assertTrue(Math.abs(result[i] - y[i]) < 1.0e-10);
  }

}