On Wed, Dec 19, 2012 at 09:10:21PM -0000, l...@apache.org wrote:
> Author: luc
> Date: Wed Dec 19 21:10:20 2012
> New Revision: 1424107
>
> URL: http://svn.apache.org/viewvc?rev=1424107&view=rev
> Log:
> Added new tests.
>
> Modified:
>
> commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/DSCompilerTest.java
>
> commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/DerivativeStructureTest.java
>
> commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/FiniteDifferencesDifferentiatorTest.java
>
> Modified:
> commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/DSCompilerTest.java
> URL:
> http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/DSCompilerTest.java?rev=1424107&r1=1424106&r2=1424107&view=diff
> ==============================================================================
> ---
> commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/DSCompilerTest.java
> (original)
> +++
> commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/DSCompilerTest.java
> Wed Dec 19 21:10:20 2012
> @@ -21,6 +21,7 @@ import java.lang.reflect.Field;
> import java.util.HashMap;
> import java.util.Map;
>
> +import org.apache.commons.math3.exception.DimensionMismatchException;
> import org.apache.commons.math3.util.ArithmeticUtils;
> import org.junit.Assert;
> import org.junit.Test;
> @@ -128,6 +129,16 @@ public class DSCompilerTest {
>
> }
>
> + @Test(expected=DimensionMismatchException.class)
> + public void testIncompatbileParams() {
> + DSCompiler.getCompiler(3,
> 2).checkCompatibility(DSCompiler.getCompiler(4, 2));
> + }
> +
> + @Test(expected=DimensionMismatchException.class)
> + public void testIncompatbileOrder() {
> + DSCompiler.getCompiler(3,
> 3).checkCompatibility(DSCompiler.getCompiler(3, 2));
> + }
> +
There typos in the method names: "Incompatbile" instead of "Incompatible".
Gilles
> @Test
> public void testSymmetry() {
> for (int i = 0; i < 6; ++i) {
>
> Modified:
> commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/DerivativeStructureTest.java
> URL:
> http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/DerivativeStructureTest.java?rev=1424107&r1=1424106&r2=1424107&view=diff
> ==============================================================================
> ---
> commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/DerivativeStructureTest.java
> (original)
> +++
> commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/DerivativeStructureTest.java
> Wed Dec 19 21:10:20 2012
> @@ -225,24 +225,37 @@ public class DerivativeStructureTest {
> -2, dsZ,
> 1, new
> DerivativeStructure(8, dsZ.multiply(dsX),
>
> -1, dsY).pow(3));
> + DerivativeStructure dsOther =
> + new DerivativeStructure(1, dsX,
> + 5, dsX.multiply(dsY),
> + -2, dsZ).add(new
> DerivativeStructure(8, dsZ.multiply(dsX),
> +
> -1, dsY).pow(3));
> double f = x + 5 * x * y - 2 * z + FastMath.pow(8 * z *
> x - y, 3);
> Assert.assertEquals(f, ds.getValue(),
> FastMath.abs(epsilon * f));
> + Assert.assertEquals(f, dsOther.getValue(),
> + FastMath.abs(epsilon * f));
>
> // df/dx = 1 + 5 y + 24 (8 z x - y)^2 z
> double dfdx = 1 + 5 * y + 24 * z * FastMath.pow(8 * z *
> x - y, 2);
> Assert.assertEquals(dfdx, ds.getPartialDerivative(1, 0,
> 0),
> FastMath.abs(epsilon * dfdx));
> + Assert.assertEquals(dfdx,
> dsOther.getPartialDerivative(1, 0, 0),
> + FastMath.abs(epsilon * dfdx));
>
> // df/dxdy = 5 + 48 z*(y - 8 z x)
> double dfdxdy = 5 + 48 * z * (y - 8 * z * x);
> Assert.assertEquals(dfdxdy, ds.getPartialDerivative(1,
> 1, 0),
> FastMath.abs(epsilon * dfdxdy));
> + Assert.assertEquals(dfdxdy,
> dsOther.getPartialDerivative(1, 1, 0),
> + FastMath.abs(epsilon * dfdxdy));
>
> // df/dxdydz = 48 (y - 16 z x)
> double dfdxdydz = 48 * (y - 16 * z * x);
> Assert.assertEquals(dfdxdydz, ds.getPartialDerivative(1,
> 1, 1),
> FastMath.abs(epsilon * dfdxdydz));
> + Assert.assertEquals(dfdxdydz,
> dsOther.getPartialDerivative(1, 1, 1),
> + FastMath.abs(epsilon * dfdxdydz));
>
> }
>
> @@ -507,6 +520,51 @@ public class DerivativeStructureTest {
> }
>
> @Test
> + public void testPrimitiveRemainder() {
> + double epsilon = 1.0e-15;
> + for (int maxOrder = 0; maxOrder < 5; ++maxOrder) {
> + for (double x = -1.7; x < 2; x += 0.2) {
> + DerivativeStructure dsX = new DerivativeStructure(2,
> maxOrder, 0, x);
> + for (double y = -1.7; y < 2; y += 0.2) {
> + DerivativeStructure remainder = dsX.remainder(y);
> + DerivativeStructure ref = dsX.subtract(x - (x % y));
> + DerivativeStructure zero = remainder.subtract(ref);
> + for (int n = 0; n <= maxOrder; ++n) {
> + for (int m = 0; m <= maxOrder; ++m) {
> + if (n + m <= maxOrder) {
> + Assert.assertEquals(0,
> zero.getPartialDerivative(n, m), epsilon);
> + }
> + }
> + }
> + }
> + }
> + }
> + }
> +
> + @Test
> + public void testRemainder() {
> + double epsilon = 1.0e-15;
> + for (int maxOrder = 0; maxOrder < 5; ++maxOrder) {
> + for (double x = -1.7; x < 2; x += 0.2) {
> + DerivativeStructure dsX = new DerivativeStructure(2,
> maxOrder, 0, x);
> + for (double y = -1.7; y < 2; y += 0.2) {
> + DerivativeStructure dsY = new DerivativeStructure(2,
> maxOrder, 1, y);
> + DerivativeStructure remainder = dsX.remainder(dsY);
> + DerivativeStructure ref = dsX.subtract(dsY.multiply((x -
> (x % y)) / y));
> + DerivativeStructure zero = remainder.subtract(ref);
> + for (int n = 0; n <= maxOrder; ++n) {
> + for (int m = 0; m <= maxOrder; ++m) {
> + if (n + m <= maxOrder) {
> + Assert.assertEquals(0,
> zero.getPartialDerivative(n, m), epsilon);
> + }
> + }
> + }
> + }
> + }
> + }
> + }
> +
> + @Test
> public void testExp() {
> double[] epsilon = new double[] { 1.0e-16, 1.0e-16, 1.0e-16,
> 1.0e-16, 1.0e-16 };
> for (int maxOrder = 0; maxOrder < 5; ++maxOrder) {
>
> Modified:
> commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/FiniteDifferencesDifferentiatorTest.java
> URL:
> http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/FiniteDifferencesDifferentiatorTest.java?rev=1424107&r1=1424106&r2=1424107&view=diff
> ==============================================================================
> ---
> commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/FiniteDifferencesDifferentiatorTest.java
> (original)
> +++
> commons/proper/math/trunk/src/test/java/org/apache/commons/math3/analysis/differentiation/FiniteDifferencesDifferentiatorTest.java
> Wed Dec 19 21:10:20 2012
> @@ -108,6 +108,7 @@ public class FiniteDifferencesDifferenti
> DerivativeStructure dsX = new DerivativeStructure(1,
> maxError.length - 1, 0, x);
> DerivativeStructure yRef = gaussian.value(dsX);
> DerivativeStructure y = f.value(dsX);
> + Assert.assertEquals(f.value(dsX.getValue()),
> f.value(dsX).getValue(), 1.0e-15);
> for (int order = 0; order <= yRef.getOrder(); ++order) {
> maxError[order] = FastMath.max(maxError[order],
>
> FastMath.abs(yRef.getPartialDerivative(order) -
> @@ -297,9 +298,16 @@ public class FiniteDifferencesDifferenti
> });
>
> for (double x = -10; x < 10; x += 0.1) {
> - DerivativeStructure[] y = f.value(new DerivativeStructure(1, 2,
> 0, x));
> + DerivativeStructure dsX = new DerivativeStructure(1, 2, 0, x);
> + DerivativeStructure[] y = f.value(dsX);
> double cos = FastMath.cos(x);
> double sin = FastMath.sin(x);
> + double[] f1 = f.value(dsX.getValue());
> + DerivativeStructure[] f2 = f.value(dsX);
> + Assert.assertEquals(f1.length, f2.length);
> + for (int i = 0; i < f1.length; ++i) {
> + Assert.assertEquals(f1[i], f2[i].getValue(), 1.0e-15);
> + }
> Assert.assertEquals( cos, y[0].getValue(), 7.0e-16);
> Assert.assertEquals( sin, y[1].getValue(), 7.0e-16);
> Assert.assertEquals(-sin, y[0].getPartialDerivative(1), 6.0e-14);
> @@ -328,11 +336,21 @@ public class FiniteDifferencesDifferenti
> });
>
> for (double x = -1; x < 1; x += 0.02) {
> - DerivativeStructure[][] y = f.value(new DerivativeStructure(1,
> 2, 0, x));
> + DerivativeStructure dsX = new DerivativeStructure(1, 2, 0, x);
> + DerivativeStructure[][] y = f.value(dsX);
> double cos = FastMath.cos(x);
> double sin = FastMath.sin(x);
> double cosh = FastMath.cosh(x);
> double sinh = FastMath.sinh(x);
> + double[][] f1 = f.value(dsX.getValue());
> + DerivativeStructure[][] f2 = f.value(dsX);
> + Assert.assertEquals(f1.length, f2.length);
> + for (int i = 0; i < f1.length; ++i) {
> + Assert.assertEquals(f1[i].length, f2[i].length);
> + for (int j = 0; j < f1[i].length; ++j) {
> + Assert.assertEquals(f1[i][j], f2[i][j].getValue(),
> 1.0e-15);
> + }
> + }
> Assert.assertEquals(cos, y[0][0].getValue(), 7.0e-18);
> Assert.assertEquals(sin, y[0][1].getValue(), 6.0e-17);
> Assert.assertEquals(cosh, y[1][0].getValue(), 3.0e-16);
>
>
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