/**
* Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.analytics.math.interpolation;
import org.testng.annotations.Test;
import cern.jet.random.engine.MersenneTwister;
import cern.jet.random.engine.MersenneTwister64;
import cern.jet.random.engine.RandomEngine;
import com.opengamma.util.test.TestGroup;
/**
* Test.
*/
@Test(groups = TestGroup.UNIT)
public class ShepardInterpolatorNDTest extends InterpolatorNDTestCase {
private static final InterpolatorND INTERPOLATOR = new ShepardInterpolatorND(3.0);
private static final RandomEngine RANDOM = new MersenneTwister64(MersenneTwister.DEFAULT_SEED);
@Test(expectedExceptions = IllegalArgumentException.class)
public void testNullData() {
INTERPOLATOR.interpolate(null, new double[] {1, 2});
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void testNullPoint() {
INTERPOLATOR.interpolate(INTERPOLATOR.getDataBundle(FLAT_DATA), null);
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void testWrongDimension() {
INTERPOLATOR.interpolate(INTERPOLATOR.getDataBundle(FLAT_DATA), new double[] {1, 2});
}
@Test
public void testInterpolation() {
assertCosExp(INTERPOLATOR, 1e-1); // fairly awful interpolator
assertFlat(INTERPOLATOR, 1e-12);
}
@Override
protected RandomEngine getRandom() {
return RANDOM;
}
}