1 files changed, 0 insertions, 253 deletions
diff --git a/src/com/softsynth/math/Polynomial.java b/src/com/softsynth/math/Polynomial.java
deleted file mode 100644
index 5f29f38..0000000
--- a/src/com/softsynth/math/Polynomial.java
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
- * Copyright 1997 Phil Burk, Mobileer Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.softsynth.math;
-
-import java.util.Vector;
-
-/**
- * Polynomial<br>
- * Implement polynomial using Vector as coefficient holder. Element index is power of X, value at a
- * given index is coefficient.<br>
- * <br>
- *
- * @author Nick Didkovsky, (C) 1997 Phil Burk and Nick Didkovsky
- */
-
-public class Polynomial {
-
-    private final Vector terms;
-
-    class DoubleHolder {
-        double value;
-
-        public DoubleHolder(double val) {
-            value = val;
-        }
-
-        public double get() {
-            return value;
-        }
-
-        public void set(double val) {
-            value = val;
-        }
-    }
-
-    /** create a polynomial with no terms */
-    public Polynomial() {
-        terms = new Vector();
-    }
-
-    /** create a polynomial with one term of specified constant */
-    public Polynomial(double c0) {
-        this();
-        appendTerm(c0);
-    }
-
-    /** create a polynomial with two terms with specified coefficients */
-    public Polynomial(double c1, double c0) {
-        this(c0);
-        appendTerm(c1);
-    }
-
-    /** create a polynomial with specified coefficients */
-    public Polynomial(double c2, double c1, double c0) {
-        this(c1, c0);
-        appendTerm(c2);
-    }
-
-    /** create a polynomial with specified coefficients */
-    public Polynomial(double c3, double c2, double c1, double c0) {
-        this(c2, c1, c0);
-        appendTerm(c3);
-    }
-
-    /** create a polynomial with specified coefficients */
-    public Polynomial(double c4, double c3, double c2, double c1, double c0) {
-        this(c3, c2, c1, c0);
-        appendTerm(c4);
-    }
-
-    /**
-     * Append a term with specified coefficient. Power will be next available order (ie if the
-     * polynomial is of order 2, appendTerm will supply the coefficient for x^3
-     */
-    public void appendTerm(double coefficient) {
-        terms.addElement(new DoubleHolder(coefficient));
-    }
-
-    /** Set the coefficient of given term */
-    public void setTerm(double coefficient, int power) {
-        // If setting a term greater than the current order of the polynomial, pad with zero terms
-        int size = terms.size();
-        if (power >= size) {
-            for (int i = 0; i < (power - size + 1); i++) {
-                appendTerm(0);
-            }
-        }
-        ((DoubleHolder) terms.elementAt(power)).set(coefficient);
-    }
-
-    /**
-     * Add the coefficient of given term to the specified coefficient. ex. addTerm(3, 1) add 3x to a
-     * polynomial, addTerm(4, 3) adds 4x^3
-     */
-    public void addTerm(double coefficient, int power) {
-        setTerm(coefficient + get(power), power);
-    }
-
-    /** @return coefficient of nth term (first term=0) */
-    public double get(int power) {
-        if (power >= terms.size())
-            return 0.0;
-        else
-            return ((DoubleHolder) terms.elementAt(power)).get();
-    }
-
-    /** @return number of terms in this polynomial */
-    public int size() {
-        return terms.size();
-    }
-
-    /**
-     * Add two polynomials together
-     *
-     * @return new Polynomial that is the sum of p1 and p2
-     */
-    public static Polynomial plus(Polynomial p1, Polynomial p2) {
-        Polynomial sum = new Polynomial();
-        for (int i = 0; i < Math.max(p1.size(), p2.size()); i++) {
-            sum.appendTerm(p1.get(i) + p2.get(i));
-        }
-        return sum;
-    }
-
-    /**
-     * Subtract polynomial from another. (First arg - Second arg)
-     *
-     * @return new Polynomial p1 - p2
-     */
-    public static Polynomial minus(Polynomial p1, Polynomial p2) {
-        Polynomial sum = new Polynomial();
-        for (int i = 0; i < Math.max(p1.size(), p2.size()); i++) {
-            sum.appendTerm(p1.get(i) - p2.get(i));
-        }
-        return sum;
-    }
-
-    /**
-     * Multiply two Polynomials
-     *
-     * @return new Polynomial that is the product p1 * p2
-     */
-
-    public static Polynomial mult(Polynomial p1, Polynomial p2) {
-        Polynomial product = new Polynomial();
-        for (int i = 0; i < p1.size(); i++) {
-            for (int j = 0; j < p2.size(); j++) {
-                product.addTerm(p1.get(i) * p2.get(j), i + j);
-            }
-        }
-        return product;
-    }
-
-    /**
-     * Multiply a Polynomial by a scaler
-     *
-     * @return new Polynomial that is the product p1 * p2
-     */
-
-    public static Polynomial mult(double scaler, Polynomial p1) {
-        Polynomial product = new Polynomial();
-        for (int i = 0; i < p1.size(); i++) {
-            product.appendTerm(p1.get(i) * scaler);
-        }
-        return product;
-    }
-
-    /** Evaluate this polynomial for x */
-    public double evaluate(double x) {
-        double result = 0.0;
-        for (int i = 0; i < terms.size(); i++) {
-            result += get(i) * Math.pow(x, i);
-        }
-        return result;
-    }
-
-    @Override
-    public String toString() {
-        String s = "";
-        if (size() == 0)
-            s = "empty polynomial";
-        boolean somethingPrinted = false;
-        for (int i = size() - 1; i >= 0; i--) {
-            if (get(i) != 0.0) {
-                if (somethingPrinted)
-                    s += " + ";
-                String coeff = "";
-                // if (get(i) == (int)(get(i)))
-                // coeff = (int)(get(i)) + "";
-                if ((get(i) != 1.0) || (i == 0))
-                    coeff += get(i);
-                if (i == 0)
-                    s += coeff;
-                else {
-                    String power = "";
-                    if (i != 1)
-                        power = "^" + i;
-                    s += coeff + "x" + power;
-                }
-                somethingPrinted = true;
-            }
-        }
-        return s;
-    }
-
-    public static void main(String args[]) {
-        Polynomial p1 = new Polynomial();
-        System.out.println("p1=" + p1);
-        Polynomial p2 = new Polynomial(3);
-        System.out.println("p2=" + p2);
-        Polynomial p3 = new Polynomial(2, 3);
-        System.out.println("p3=" + p3);
-        Polynomial p4 = new Polynomial(1, 2, 3);
-        System.out.println("p4=" + p4);
-        System.out.println("p4*5=" + Polynomial.mult(5.0, p4));
-
-        System.out.println(p4.evaluate(10));
-
-        System.out.println(Polynomial.plus(p4, p1));
-        System.out.println(Polynomial.minus(p4, p3));
-        p4.setTerm(12.2, 5);
-        System.out.println(p4);
-        p4.addTerm(0.8, 5);
-        System.out.println(p4);
-        p4.addTerm(0.8, 7);
-        System.out.println(p4);
-        System.out.println(Polynomial.mult(p3, p2));
-        System.out.println(Polynomial.mult(p3, p3));
-        System.out.println(Polynomial.mult(p2, p2));
-
-        Polynomial t2 = new Polynomial(2, 0, -1); // 2x^2-1, Chebyshev Polynomial of order 2
-        Polynomial t3 = new Polynomial(4, 0, -3, 0); // 4x^3-3x, Chebyshev Polynomial of order 3
-        // Calculate Chebyshev Polynomial of order 4 from relation Tk+1(x) = 2xTk(x) - Tk-1(x)
-        Polynomial t4 = Polynomial.minus(Polynomial.mult(t3, (new Polynomial(2, 0))), t2);
-        System.out.println(t2 + "\n" + t3 + "\n" + t4);
-        // com.softsynth.jmsl.util
-
-    }
-}