Project 2 - Extended Polynomial Class

Project 2 - Extended Polynomial Class - Robert J. England...

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Robert J. England II COS 221 Project 2 Polynomial Class New Project done for Prof. Larry Latour Friday, October 27, 2006
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The following is the actual code used in the program. There are two classes; one is the Polynomial class, which provides the bulk of the code; the other is the Test class, which tests the Polynomial class extensively. The main program does nothing more than create a Test object, and the constructor of that object performs all of the testing. Note to grader: The plotting is done with the SoftIntegration Graphical Library, which can be downloaded and installed at http://www.softintegration.com/products/silib/graphlib/ . // Polynomial.cpp :  // Polynomial class created by Robert J. England II // for COS 221 with Larry Latour // at the University of Maine in Orono // Friday, October 27, 2006 // #include   "stdafx.h" #include   <iostream> #include   <math.h> #include   "chplot.h" using   namespace  std; class  Polynomial { public : // Constructors Polynomial(); // POST: A polynomial equivalent to zero is created Polynomial( double  a0); // POST: A polynomial equivalent to constant a0 is created Polynomial(Polynomial & source); // POST: A new polynomial equivalent to this polynomial is // created // Clone method Polynomial clone(); // POST: A new polynomial equivalent to this polynomial is // created and returned // Modification methods void  addToCoef( double  amount,  int  k); // PRE:  k >= 0 // POST: The value amount is added to the kth coefficient of the // polynomial void  assignCoef( double  newCoefficient,  int  k); // PRE:  k >= 0 // POST: The kth coefficient of the polynomial is changed to the // value newCoefficient void  clear(); // POST: The polynomial is set equivalent to zero void  reserve( int  newSize); // PRE:  newSize must be greater than the current degree of the // polynomial // POST: Memory is reserved for newSize coefficients for the // polynomial
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// Accessor methods double  coefficient( int  k); // PRE:  k >= 0 // POST: The kth coefficient of the polynomial is returned // If the degree of the polynomial is less than k, 0 is returned int  getDegree() { return  degree;}; // POST: The degree of the polynomial is created int  nextTerm( int  k); // POST: The next greater nonzero coefficient above k is // returned; if k is the greatest coefficient, -1 is returned; // if k is negative, function finds first nonzero coefficient // Evaluation method double  evaluate( double  x); // POST: The value of the polynomial at value x is returned // Arithmetic operators Polynomial  operator  + (Polynomial other);  // POST: The algebraic sum of the polynomials is returned Polynomial  operator  - (Polynomial other); // POST: The algebraic difference of the polynomials is returned
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This note was uploaded on 04/19/2008 for the course COS 221 taught by Professor Latour during the Fall '06 term at University of Maine Orono .

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Project 2 - Extended Polynomial Class - Robert J. England...

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