Class RiddersMethodTest

JSAT/test/jsat/math/rootfinding/RiddersMethodTest.java:21–208

@author Edward Raff

 * @author Edward Raff
 */
public class RiddersMethodTest
{
    /**
     * Root at 0
     */
    Function sinF = new Function() {

        /**
		 * 
		 */
		private static final long serialVersionUID = -4942395915907632276L;

		public double f(double... x)
        {
            return sin(x[0]);
        }
        
        public double f(Vec x)
        {
            return f(x.arrayCopy());
        }
    };
    
    /**
     * Root at 0 + 2nd param
     */
    Function sinFp1 = new Function() {

        /**
		 * 
		 */
		private static final long serialVersionUID = -6913574202545691152L;

		public double f(double... x)
        {
            return sin(x[0]+x[1]);
        }
        
        public double f(Vec x)
        {
            return f(x.arrayCopy());
        }
    };
    
    /**
     * Root at approx -4.87906
     */
    Function polyF = new Function() {

        /**
		 * 
		 */
		private static final long serialVersionUID = -206733171455524905L;

		public double f(double... x)
        {
            double xp = x[0];