/* File: ComplexBenchmark.java
 *                                     -- Benchmarker for Complex class.
 *
 *
 * Copyright (c) 1997 - 2001, Alexander Anderson.
 *
 * This  program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published  by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be  useful,  but
 * WITHOUT   ANY   WARRANTY;   without  even  the  implied  warranty  of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE.   See  the  GNU
 * General Public License for more details.
 *
 * You  should  have  received  a copy of the GNU General Public License
 * along  with  this  program;  if  not,  write  to  the  Free  Software
 * Foundation,  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA.
 */

package  ORG.netlib.math.complex;

import java.util.Date;
import java.text.DecimalFormat;

import ORG.netlib.math.complex.Complex;


/*
  Last change:  ALM  23 Mar 2001    9:58 pm
*/

public class
ComplexBenchmark {

    static final String        MODULE      =  ComplexBenchmark.class.getName();
    static final String        VERSION     =  "1.0.4";
    static final String        DATE        =  "Fri 23-Mar-2001 9:58 pm";
    static final String        AUTHOR      =  "sandy@almide.demon.co.uk";
    static final String        REMARK      =  "Benchmarker for Complex class";

    static final char          MARK_CHAR   =  '-';

    static final DecimalFormat stopwatch   =  new DecimalFormat("###0.00");
    static       int           iterations  =  1000000;


    public static void
    main (String[] args) {
        Date start, finish;
        double dummy;
        boolean bool;

        if (args.length > 0) {
            try {
                iterations =  Integer.valueOf(args[0]).intValue();

                if (iterations < 0) {
                    throw new NumberFormatException();
                }//endif
            } catch (NumberFormatException e) {
                System.out.println();
                versionInfo();
                System.out.println();
                System.out.print("usage:  ");
                System.out.println("java " + MODULE + " [loop iterations]");

                System.exit(1);
            }//endtry
        }//endif

        System.out.println();
        System.out.println("    This tests on your system, the execution speed of the Complex");
        System.out.println("    functions by repeatedly calling each function " + iterations + " times.");
        System.out.println();
        System.out.println("                      Alexander Anderson <sandy@almide.demon.co.uk>");
        System.out.println();

        Complex z;
        Complex c =  new Complex(0.1234, 0.5678);


        System.getProperties().list(System.out);
        System.out.println();
        versionInfo();
        System.out.println();
        System.out.println("Benchmark " + iterations + " started! ...");
        System.out.println();
        System.out.println("(Please be patient.  Each \"" + MARK_CHAR + "\" is one second.)");
        System.out.println();

        System.out.print("Empty Loop   ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            // skip
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("Constructor  ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  new Complex(0.1234, 5.6789);
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("polar()      ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  Complex.polar(0.1234, 5.6789);
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("pow(r, r)    ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            dummy =  Math.pow(0.1234, 5.6789);
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("pow(r, C)    ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  Complex.pow(0.1234, c);
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("pow(C, r)    ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  Complex.pow(c, 0.1234);
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("pow(C, C)    ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  Complex.pow(c, c);
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;
/*
        System.out.print("equals()     ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            bool =  c.equals(c);
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;
*/

        System.out.print("clone()      ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  (Complex) c.clone();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("re()         ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            dummy =  c.re();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("norm()       ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            dummy =  c.norm();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("abs()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            dummy =  c.abs();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("arg()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            dummy =  c.arg();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("neg()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.neg();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("conj()       ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.conj();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("scale()      ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.scale(1.234);
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("add()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.add(c);
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("sub()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.sub(c);
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("mul()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.mul(c);
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("div()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.div(c);
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("sqrt()       ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.sqrt();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("exp()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.exp();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("log()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.log();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;
/*
        System.out.print("log10()      ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.log10();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;
*/
        System.out.print("sin()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.sin();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("cos()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.cos();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("tan()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.tan();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("cosec()      ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.cosec();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("sec()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.sec();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("cot()        ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.cot();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("sinh()       ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.sinh();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("cosh()       ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.cosh();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("tanh()       ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.tanh();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("asin()       ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.asin();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("acos()       ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.acos();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("atan()       ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.atan();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("asinh()      ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.asinh();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("acosh()      ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.acosh();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.print("atanh()      ");
        start =  new Date();
        for (int i =  1; i <= iterations; i++) {
            z =  c.atanh();
        }//endfor
        finish =  new Date();
        System.out.println(stars(start, finish));;

        System.out.println();
        System.out.println("... Benchmark " + iterations + " finished.");
    }//end main(String[])


    static String
    stars (Date start, Date finish) {
        double starSeconds =  ( finish.getTime() - start.getTime() ) / 1000.0;
        StringBuffer starString = new StringBuffer();

        for (int i =  1; i <= Math.round(starSeconds); i++) {
            starString =  starString.append(MARK_CHAR);
        }//endfor

        starString.append(" ").append( stopwatch.format(starSeconds) );

        return starString.toString();
    }//end stars(Date,Date)


    static void
    versionInfo () {
        System.out.println("Benchmarker...");
        System.out.println("    Module : " + MODULE );
        System.out.println("    Version: " + VERSION);
        System.out.println("    Date   : " + DATE);
        System.out.println("    Author : " + AUTHOR);
        System.out.println("    Remark : " + REMARK);
        System.out.println("Benchmarking...");
        System.out.println("    Module : " + Complex.class.getName());
        System.out.println("    Version: " + Complex.VERSION);
        System.out.println("    Date   : " + Complex.DATE);
        System.out.println("    Author : " + Complex.AUTHOR);
        System.out.println("    Remark : " + Complex.REMARK);
    }//end versionInfo()

}//end ComplexBenchmark




/*             C A U T I O N   E X P L O S I V E   B O L T S
--                     REMOVE BEFORE ENGAGING REPLY
//
// Kelly and Sandy Anderson <kelsan@explosive-alma-services-bolts.co.uk>
// (alternatively            kelsan_odoodle at ya who period, see oh em)
// Alexander (Sandy)  1B5A DF3D A3D9 B932 39EB  3F1B 981F 4110 27E1 64A4
// Kelly              673F 6751 6DBA 196F E8A8  6D87 4AEC F35E E9AD 099B
// Homepages             http://www.explosive-alma-services-bolts.co.uk/
*/