/*-
* Copyright (c) 2012 Diamond Light Source Ltd.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*/
package uk.ac.diamond.scisoft.analysis.dataset.function;
import static org.junit.Assert.assertEquals;
import java.util.List;
import org.eclipse.dawnsci.analysis.dataset.impl.function.Sum;
import org.eclipse.january.dataset.Dataset;
import org.eclipse.january.dataset.DatasetFactory;
import org.junit.Before;
import org.junit.Test;
/**
*
*/
public class MapToShiftedCartesianTest {
Dataset d = DatasetFactory.zeros(new int[] {10, 20}, Dataset.FLOAT64);
/**
*/
@Before
public void setUp() {
d.fill(1.);
}
/**
*
*/
@Test
public void testMapToShiftedCartesian() {
MapToShiftedCartesian mp = new MapToShiftedCartesian(5.3,7.6);
Dataset pd = mp.value(d).get(0);
Sum s = new Sum();
List<Number> dsets = s.value(pd);
double answer = (10.-5.3)*(20. - 7.6);
assertEquals(answer, dsets.get(0).doubleValue(), answer*1e-4); // within 0.01% accuracy
}
}