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Removed spurious development tests.

This commit is contained in:
Luc Maisonobe 2015-12-24 23:23:05 +01:00
parent 6a01c7b2df
commit 8d7a8c47d5
2 changed files with 0 additions and 139 deletions
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70
src/test/java/org/apache/commons/math3/ode/nonstiff/AdamsBashforthIntegratorTest.java
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@ -18,14 +18,9 @@
package org.apache.commons.math3.ode.nonstiff;
import java.io.File;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.PrintStream;
import java.util.Locale;
import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
import org.apache.commons.math3.exception.DimensionMismatchException;
import org.apache.commons.math3.exception.MaxCountExceededException;
import org.apache.commons.math3.exception.NoBracketingException;
@ -40,7 +35,6 @@ import org.apache.commons.math3.ode.TestProblemAbstract;
import org.apache.commons.math3.ode.TestProblemHandler;
import org.apache.commons.math3.ode.sampling.StepHandler;
import org.apache.commons.math3.ode.sampling.StepInterpolator;
import org.apache.commons.math3.util.CombinatoricsUtils;
import org.apache.commons.math3.util.FastMath;
import org.junit.Assert;
import org.junit.Test;
@ -266,68 +260,4 @@ public class AdamsBashforthIntegratorTest {
}
@Test
public void testTmp() throws IOException, DimensionMismatchException, NumberIsTooSmallException, MaxCountExceededException, NoBracketingException {
final PrintStream out = new PrintStream(new File(new File(System.getProperty("user.home")), "x.dat"));
final int n = 4;
final AdamsBashforthIntegrator integ = new AdamsBashforthIntegrator(n, 1.0e-12, 1.0e3, 1.0e-10, 1.0e-12);
final SinT4 sinT4 = new SinT4();
integ.setStarterIntegrator(new PerfectStarter(sinT4, n));
final StepHandler handler = new StepHandler() {
double previousError = 0;
public void init(double t0, double[] y0, double t) {
}
public void handleStep(StepInterpolator interpolator, boolean isLast) {
final double t = interpolator.getCurrentTime();
final double h = t - interpolator.getPreviousTime();
final double y = interpolator.getInterpolatedState()[0];
final double error = sinT4.computeTheoreticalState(t)[0] - y;
out.format(Locale.US, "%10.8f %16.9e %10.8f %16.9e",
t, h, y, error - previousError);
for (int i = 1; i < n + 1; ++i) {
out.format(Locale.US, " %16.9e", sinT4.scaledDerivative(t, h, i));
}
out.format(Locale.US, "%n");
previousError = error;
}
};
integ.addStepHandler(handler);
final ExpandableStatefulODE expandableODE = new ExpandableStatefulODE(sinT4);
final double t0 = 0.75;
final double h0 = 1.0 / 128;
expandableODE.setTime(t0);
expandableODE.setPrimaryState(sinT4.computeTheoreticalState(t0));
integ.setInitialStepSize(h0);
integ.integrate(expandableODE, 0.9);
out.close();
}
private static class SinT4 extends TestProblemAbstract {
@Override
public int getDimension() {
return 1;
}
@Override
public void doComputeDerivatives(double t, double[] y, double[] yDot) {
// compute the derivatives
double t3 = FastMath.pow(t, 3);
yDot[0] = 4 * t3 * FastMath.cos(t3 * t);
}
public double[] computeTheoreticalState(final double t) {
return new double[] { FastMath.sin(FastMath.pow(t, 4)) };
}
public DerivativeStructure valueDS(final double t, final int n) {
return new DerivativeStructure(1, n, 0, t).pow(4).sin();
}
public double scaledDerivative(final double t, final double h, final int n) {
return FastMath.pow(h, n) * valueDS(t, n).getPartialDerivative(n) / CombinatoricsUtils.factorial(n);
}
}
}

69
src/test/java/org/apache/commons/math3/ode/nonstiff/AdamsMoultonIntegratorTest.java
View File

@ -18,14 +18,9 @@
package org.apache.commons.math3.ode.nonstiff;
import java.io.File;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.PrintStream;
import java.util.Locale;
import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
import org.apache.commons.math3.exception.DimensionMismatchException;
import org.apache.commons.math3.exception.MaxCountExceededException;
import org.apache.commons.math3.exception.NoBracketingException;
@ -40,7 +35,6 @@ import org.apache.commons.math3.ode.TestProblemAbstract;
import org.apache.commons.math3.ode.TestProblemHandler;
import org.apache.commons.math3.ode.sampling.StepHandler;
import org.apache.commons.math3.ode.sampling.StepInterpolator;
import org.apache.commons.math3.util.CombinatoricsUtils;
import org.apache.commons.math3.util.FastMath;
import org.junit.Assert;
import org.junit.Test;
@ -278,67 +272,4 @@ public class AdamsMoultonIntegratorTest {
}
@Test
public void testTmp() throws IOException, DimensionMismatchException, NumberIsTooSmallException, MaxCountExceededException, NoBracketingException {
final PrintStream out = new PrintStream(new File(new File(System.getProperty("user.home")), "x.dat"));
final int n = 4;
final AdamsMoultonIntegrator integ = new AdamsMoultonIntegrator(n, 1.0e-12, 1.0e3, 1.0e-10, 1.0e-12);
final SinT4 sinT4 = new SinT4();
final StepHandler handler = new StepHandler() {
double previousError = 0;
public void init(double t0, double[] y0, double t) {
}
public void handleStep(StepInterpolator interpolator, boolean isLast) {
final double t = interpolator.getCurrentTime();
final double h = t - interpolator.getPreviousTime();
final double y = interpolator.getInterpolatedState()[0];
final double error = y - sinT4.computeTheoreticalState(t)[0];
out.format(Locale.US, "%10.8f %16.9e %10.8f %16.9e",
t, h, y, error - previousError);
for (int i = 1; i < n + 2; ++i) {
out.format(Locale.US, " %16.9e", sinT4.scaledDerivative(t, h, i));
}
out.format(Locale.US, "%n");
previousError = error;
}
};
integ.addStepHandler(handler);
final ExpandableStatefulODE expandableODE = new ExpandableStatefulODE(sinT4);
final double t0 = 0.75;
final double h0 = 1.0 / 128;
expandableODE.setTime(t0);
expandableODE.setPrimaryState(sinT4.computeTheoreticalState(t0));
integ.setInitialStepSize(h0);
integ.integrate(expandableODE, 0.9);
out.close();
}
private static class SinT4 extends TestProblemAbstract {
@Override
public int getDimension() {
return 1;
}
@Override
public void doComputeDerivatives(double t, double[] y, double[] yDot) {
// compute the derivatives
double t3 = FastMath.pow(t, 3);
yDot[0] = 4 * t3 * FastMath.cos(t3 * t);
}
public double[] computeTheoreticalState(final double t) {
return new double[] { FastMath.sin(FastMath.pow(t, 4)) };
}
public DerivativeStructure valueDS(final double t, final int n) {
return new DerivativeStructure(1, n, 0, t).pow(4).sin();
}
public double scaledDerivative(final double t, final double h, final int n) {
return FastMath.pow(h, n) * valueDS(t, n).getPartialDerivative(n) / CombinatoricsUtils.factorial(n);
}
}
}