//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void domainTest()
public virtual void domainTest()
{
DoubleArray[] x = new DoubleArray[4];
x[0] = DoubleArray.of(2.3, 0.34);
x[1] = DoubleArray.of(1e-8, 1.45);
x[2] = DoubleArray.of(1.2, 0.0);
x[3] = DoubleArray.of(1.2, Math.PI);
VectorFieldSecondOrderDifferentiator fd = new VectorFieldSecondOrderDifferentiator();
System.Func <DoubleArray, DoubleMatrix[]> fdFuncs = fd.differentiate(FUNC, DOMAIN);
for (int k = 0; k < 4; k++)
{
DoubleMatrix[] fdValues = fdFuncs(x[k]);
DoubleMatrix t1 = DW1.apply(x[k]);
DoubleMatrix t2 = DW2.apply(x[k]);
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
{
assertEquals("first observation " + i + " " + j, t1.get(i, j), fdValues[0].get(i, j), 1e-6);
assertEquals("second observation " + i + " " + j, t2.get(i, j), fdValues[1].get(i, j), 1e-6);
}
}
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test(expectedExceptions = IllegalArgumentException.class) public void outsideDomainTest()
public virtual void outsideDomainTest()
{
VectorFieldSecondOrderDifferentiator fd = new VectorFieldSecondOrderDifferentiator();
System.Func <DoubleArray, DoubleMatrix[]> fdFuncs = fd.differentiate(FUNC, DOMAIN);
fdFuncs(DoubleArray.of(-1.0, 0.3));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void test()
public virtual void test()
{
double a = 2.3;
double theta = 0.34;
DoubleArray x = DoubleArray.of(a, theta);
VectorFieldSecondOrderDifferentiator fd = new VectorFieldSecondOrderDifferentiator();
System.Func <DoubleArray, DoubleMatrix[]> fdFuncs = fd.differentiate(FUNC);
DoubleMatrix[] fdValues = fdFuncs(x);
DoubleMatrix t1 = DW1.apply(x);
DoubleMatrix t2 = DW2.apply(x);
for (int i = 0; i < 2; i++)
{
for (int j = 0; j < 2; j++)
{
assertEquals("first observation " + i + " " + j, t1.get(i, j), fdValues[0].get(i, j), 1e-6);
assertEquals("second observation " + i + " " + j, t2.get(i, j), fdValues[1].get(i, j), 1e-6);
}
}
}