/*
 * Zorbage: an algebraic data hierarchy for use in numeric processing.
 *
 * Copyright (C) 2016-2019 Barry DeZonia
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package nom.bdezonia.zorbage.type.data.float64.complex;

import org.junit.Test;

import nom.bdezonia.zorbage.algebras.G;
import nom.bdezonia.zorbage.procedure.Procedure2;

/**
 * 
 * @author Barry DeZonia
 *
 */
public class TestComplexSpeed {

	// Comparing raw speed of my code versus other libraries:
	//   See 15 min mark of this talk: http://cds.cern.ch/record/2157242?ln=de
	
	private Procedure2<ComplexFloat64Member,ComplexFloat64Member> proc =
			new Procedure2<ComplexFloat64Member, ComplexFloat64Member>()
	{
		@Override
		public void call(ComplexFloat64Member a, ComplexFloat64Member b) {
			// f(z) = z*z + (1,1)*z - 1
			ComplexFloat64Member t1 = G.CDBL.construct();
			ComplexFloat64Member t2 = G.CDBL.construct();
			ComplexFloat64Member t3 = G.CDBL.construct();
			ComplexFloat64Member linTerm = new ComplexFloat64Member(1,1);
			G.CDBL.multiply().call(a, a, t1);
			G.CDBL.multiply().call(linTerm, a, t2);
			G.CDBL.unity().call(t3);
			G.CDBL.add().call(t1, t2, t1);
			G.CDBL.add().call(t1, t3, b);
		}
	};
	
	@Test
	public void test1() {
		long a = System.currentTimeMillis();
		ComplexFloat64Member z = new ComplexFloat64Member(0.1,0);
		for (long i = 0; i < 1000000000; i++) {
			proc.call(z,z);
		}
		long b = System.currentTimeMillis();
		System.out.println((b-a) + " millisecs");
	}
}

Define a timing test for complex math