///
public virtual void localMonotonicityClampedTest()
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final double[] xValues = new double[] {-2.0, 3.0, 4.0, 8.0, 9.1, 10.0 };
double[] xValues = new double[] { -2.0, 3.0, 4.0, 8.0, 9.1, 10.0 };
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final double[] yValues = new double[] {0.0, 10.0, 9.5, 2.0, 1.1, -2.2, -2.6, 0.0 };
double[] yValues = new double[] { 0.0, 10.0, 9.5, 2.0, 1.1, -2.2, -2.6, 0.0 };
PiecewisePolynomialInterpolator interp = new CubicSplineInterpolator();
PiecewisePolynomialResult result = interp.interpolate(xValues, yValues);
PiecewisePolynomialFunction1D function = new PiecewisePolynomialFunction1D();
PiecewisePolynomialInterpolator interpPos = new MonotonicityPreservingCubicSplineInterpolator(interp);
PiecewisePolynomialResult resultPos = interpPos.interpolate(xValues, yValues);
assertEquals(resultPos.Dimensions, result.Dimensions);
assertEquals(resultPos.NumberOfIntervals, result.NumberOfIntervals);
assertEquals(resultPos.Order, result.Order);
const int nKeys = 121;
double key0 = -2.0;
for (int i = 1; i < nKeys; ++i)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final double key = -2.0 + 12.0 / (nKeys - 1) * i;
double key = -2.0 + 12.0 / (nKeys - 1) * i;
assertTrue(function.evaluate(resultPos, key).get(0) - function.evaluate(resultPos, key0).get(0) <= 0.0);
key0 = -2.0 + 11.0 / (nKeys - 1) * i;
}
}
/// <summary>
/// local extrema are not necessarily at data-points
/// </summary>
public virtual void extremumTest()
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final double[] xValues = new double[] {1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8 };
double[] xValues = new double[] { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8 };
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final double[][] yValues = new double[][] { {1.0, 1.0, 2.0, 4.0, 4.0, 2.0, 1.0, 1.0 }, {10.0, 10.0, 6.0, 4.0, 4.0, 6.0, 10.0, 10.0 } };
double[][] yValues = new double[][]
{
new double[] { 1.0, 1.0, 2.0, 4.0, 4.0, 2.0, 1.0, 1.0 },
new double[] { 10.0, 10.0, 6.0, 4.0, 4.0, 6.0, 10.0, 10.0 }
};
PiecewisePolynomialInterpolator interp = new CubicSplineInterpolator();
PiecewisePolynomialResult result = interp.interpolate(xValues, yValues);
PiecewisePolynomialFunction1D function = new PiecewisePolynomialFunction1D();
PiecewisePolynomialInterpolator interpPos = new MonotonicityPreservingCubicSplineInterpolator(interp);
PiecewisePolynomialResult resultPos = interpPos.interpolate(xValues, yValues);
assertEquals(resultPos.Dimensions, result.Dimensions);
assertEquals(resultPos.NumberOfIntervals, result.NumberOfIntervals);
assertEquals(resultPos.Order, result.Order);
assertTrue(function.evaluate(resultPos, 4.5).get(0) - function.evaluate(resultPos, 4).get(0) >= 0.0);
assertTrue(function.evaluate(resultPos, 4.5).get(0) - function.evaluate(resultPos, 5).get(0) >= 0.0);
assertTrue(function.evaluate(resultPos, 4.5).get(1) - function.evaluate(resultPos, 4).get(1) <= 0.0);
assertTrue(function.evaluate(resultPos, 4.5).get(1) - function.evaluate(resultPos, 5).get(1) <= 0.0);
const int nKeys = 41;
double key0 = 1.0;
for (int i = 1; i < nKeys; ++i)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final double key = 1.0 + 3.0 / (nKeys - 1) * i;
double key = 1.0 + 3.0 / (nKeys - 1) * i;
assertTrue(function.evaluate(resultPos, key).get(0) - function.evaluate(resultPos, key0).get(0) >= 0.0);
key0 = 1.0 + 3.0 / (nKeys - 1) * i;
}
key0 = 1.0;
for (int i = 1; i < nKeys; ++i)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final double key = 1.0 + 3.0 / (nKeys - 1) * i;
double key = 1.0 + 3.0 / (nKeys - 1) * i;
assertTrue(function.evaluate(resultPos, key).get(1) - function.evaluate(resultPos, key0).get(1) <= 0.0);
key0 = 1.0 + 3.0 / (nKeys - 1) * i;
}
key0 = 5.0;
for (int i = 1; i < nKeys; ++i)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final double key = 5.0 + 3.0 / (nKeys - 1) * i;
double key = 5.0 + 3.0 / (nKeys - 1) * i;
assertTrue(function.evaluate(resultPos, key).get(0) - function.evaluate(resultPos, key0).get(0) <= 0.0);
key0 = 5.0 + 3.0 / (nKeys - 1) * i;
}
key0 = 5.0;
for (int i = 1; i < nKeys; ++i)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final double key = 5.0 + 3.0 / (nKeys - 1) * i;
double key = 5.0 + 3.0 / (nKeys - 1) * i;
assertTrue(function.evaluate(resultPos, key).get(1) - function.evaluate(resultPos, key0).get(1) >= 0.0);
key0 = 5.0 + 3.0 / (nKeys - 1) * i;
}
}
