Concurrent Programming - Investigating Task Messaging To Achieve Synchronization Free Inter-Task Communication

/* Copyright (c) 2006-2007 Coskun Oba
 * *****************************************************************************
 * 
 * SCI - Scientific Software Platform
 * Copyright (c) 2006-2007
 * All rights reserved.
 * 
 * Coskun Oba
 * oba.coskun@hotmail.com
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of the <organization> nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY COSKUN OBA ``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 COSKUN OBA BE LIABLE FOR ANY
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using System;
using System.Collections.Generic;
using System.Text;

namespace Sci.Math
{
    #region Function
    /// <summary>
    /// Provides access to widely used mathematical functions.
    /// </summary>
    public static class Function
    {
        #region Min
        /// <summary>
        /// Returns the minimum value in a given array.
        /// </summary>
        /// <param name="array">array of numbers.</param>
        /// <returns>Returns the minimum value in a given array.</returns>
        public static double Min(double[] array)
        {
            double min = array[0];
            foreach (double value in array)
                min = System.Math.Min(min, value);
            return min;
        }
        /// <summary>
        /// Returns the minimum value in a given array.
        /// </summary>
        /// <param name="array">array of numbers.</param>
        /// <returns>Returns the minimum value in a given array.</returns>
        public static int Min(int[] array)
        {
            int min = array[0];
            foreach (int value in array)
                min = System.Math.Min(min, value);
            return min;
        }
        #endregion

        #region Max
        /// <summary>
        /// Returns the maximum value in a given array.
        /// </summary>
        /// <param name="array">array of numbers.</param>
        /// <returns>Returns the maximum value in a given array.</returns>
        public static double Max(double[] array)
        {
            double max = array[0];
            foreach (double value in array)
                max = System.Math.Max(max, value);
            return max;
        }
        /// <summary>
        /// Returns the maximum value in a given array.
        /// </summary>
        /// <param name="array">array of numbers.</param>
        /// <returns>Returns the maximum value in a given array.</returns>
        public static int Max(int[] array)
        {
            int max = array[0];
            foreach (int value in array)
                max = System.Math.Max(max, value);
            return max;
        }
        #endregion

        #region Sum
        /// <summary>
        /// Returns the sum of all the values in a given array.
        /// </summary>
        /// <param name="array">array of numbers.</param>
        /// <returns>Returns the sum of all the values in a given array.</returns>
        public static double Sum(double[] array)
        {
            double sum = 0;
            foreach (double value in array)
                sum += value;
            return sum;
        }
        /// <summary>
        /// Returns the sum of all the values in a given array.
        /// </summary>
        /// <param name="array">array of numbers.</param>
        /// <returns>Returns the sum of all the values in a given array.</returns>
        public static int Sum(int[] array)
        {
            int sum = 0;
            foreach (int value in array)
                sum += value;
            return sum;
        }
        #endregion

        #region Product
        /// <summary>
        /// Returns the pruduct of all the values in a given array.
        /// </summary>
        /// <param name="array">array of numbers.</param>
        /// <returns>Returns the pruduct of all the values in a given array.</returns>
        public static double Product(double[] array)
        {
            double product = 1;
            foreach (double value in array)
                product *= value;
            return product;
        }
        /// <summary>
        /// Returns the pruduct of all the values in a given array.
        /// </summary>
        /// <param name="array">array of numbers.</param>
        /// <returns>Returns the pruduct of all the values in a given array.</returns>
        public static int Product(int[] array)
        {
            int product = 1;
            foreach (int value in array)
                product *= value;
            return product;
        }
        #endregion

        #region SumNthPow
        /// <summary>
        /// Returns the sum of nth power of values in a given array.
        /// </summary>
        /// <param name="array">array of numbers.</param>
        /// <param name="n">nth power.</param>
        /// <returns>Returns the sum of nth power of values in a given array.</returns>
        public static double SumNthPow(double[] array, double n)
        {
            double sum = 0;
            foreach (double value in array)
                sum += System.Math.Pow(value, n);
            return sum;
        }
        #endregion

        #region GCD(Greatest Common Divisor)
        /// <summary>
        /// Returns the greatest common divisor.
        /// The greatest common divisor (gcd) of two non-zero integers, 
        /// is the largest positive integer that divides both numbers 
        /// without remainder.
        /// </summary>
        /// <param name="m">Non-Zero integer.</param>
        /// <param name="n">Non-Zero integer.</param>
        /// <returns>
        /// Returns the largest positive integer that divides both numbers 
        /// without a remainder.
        /// </returns>
        public static int GCD(int m, int n)
        {
            return (n == 0) ? System.Math.Abs(m) : GCD(n, m % n);
        }
        #endregion

        #region Angle Conversion
        /// <summary>
        /// Converts the given angle in degrees to radians.
        /// </summary>
        /// <param name="angleInDegrees">Angle in degrees.</param>
        /// <returns>Returns the given angle in units of radians.</returns>
        public static double ToRad(double angleInDegrees)
        {
            return angleInDegrees / (180.0 / System.Math.PI);
        }

        /// <summary>
        /// Converts the given angle in radians to degrees.
        /// </summary>
        /// <param name="angleInRadians">Angle in radians.</param>
        /// <returns>Returns the angle in units of degrees.</returns>
        public static double ToDeg(double angleInRadians)
        {
            return angleInRadians * (180.0 / System.Math.PI);
        }
        #endregion
    }
    #endregion
}