/*-
 * #%L
 * Fluorescence lifetime analysis in SciJava Ops.
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package org.scijava.ops.flim;

import net.imglib2.img.Img;
import net.imglib2.type.numeric.real.FloatType;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.scijava.types.Nil;

/**
 * Tests {@link AmplitudeFractions} ops.
 *
 * @author Dasong Gao
 * @author Gabriel Selzer
 */
public class AmplitudeFractionsTest extends AbstractFlimTest {

	@Test
	public void testDefaultFractionalContribution() {
		int i = 0;
		final Img<FloatType> A1Perc = ops.op("flim.amplitudeFraction") //
			.input(rslt, 0) //
			.outType(new Nil<Img<FloatType>>()
			{}) //
			.apply();
		for (final FloatType pix : A1Perc) {
			int nComp = (int) (DIM[2] - 1) / 2;
			float sumAj = 0;

			for (int j = 0; j < nComp; j++)
				sumAj += getVal(i, j * 2 + 1);
			final float A1 = getVal(i, 1);
			final float exp = A1 / sumAj;

			Assertions.assertEquals(exp, pix.get(), TOLERANCE);
			i++;
		}
	}
}
