source: lemon-0.x/test/polynomial_test.cc @ 2598:71f4bd3a9ae8

/* -*- C++ -*-
 *
 * This file is a part of LEMON, a generic C++ optimization library
 *
 * Copyright (C) 2003-2008
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
 *
 * Permission to use, modify and distribute this software is granted
 * provided that this copyright notice appears in all copies. For
 * precise terms see the accompanying LICENSE file.
 *
 * This software is provided "AS IS" with no warranty of any kind,
 * express or implied, and with no claim as to its suitability for any
 * purpose.
 *
 */

#include <lemon/polynomial.h>
#include <lemon/dim2.h>
#include <iostream>
#include "test_tools.h"

using namespace std;
using namespace lemon;
int main()
{
  Polynomial<int> pi(5);
  check(pi.deg()==5,"Something is wrong here.");
  pi[0]=12;
  pi[5]=3;
  pi[2]=7;
  check(pi[1]==0,"Uninitialized elements should be(?) zero.");
  {
    Polynomial<double> pd=pi;
    check(pd.deg()==5,"Something is wrong here.");
    check(pd[0]==12,"Something is wrong here.");
    check(pd[5]==3,"Something is wrong here.");

  }

  Polynomial<double> pd;
  pd=pi;
  check(pd.deg()==5,"Something is wrong here.");
  check(pd[0]==12,"Something is wrong here.");
  check(pd[5]==3,"Something is wrong here.");

  check(pd(0)==12,"Something is wrong here.");
  check(pd(1)==22,"Something is wrong here.");
  check(pd(2)==136,"Something is wrong here.");

  check((pd*pi).deg()==10,"Something is wrong here.");
  check((pd*pi)[10]==9,"Something is wrong here.");
  check((pd*pi)[7]==42,"Something is wrong here.");

  Polynomial<double> pd2=pd+pi;
  check(pd2[5]==6,"Something is wrong here.");
  pd2+=pd;
  pd2+=pi;
  check(pd2[5]==12,"Something is wrong here.");
  pd2-=pd;
  pd2-=pi;
  check(pd2[5]==6,"Something is wrong here.");
  check((pd-pi)[5]==0,"Something is wrong here.");

  Polynomial<double> pdd=pd.derivate();
  pd.derivateMyself();
  check(pdd==pd,"Something is wrong here.");
  check(pd.deg()==4,"Something is wrong here.");
  check(pd[4]==15,"Something is wrong here.");

  
  Polynomial<double> pdi=pd.integrate();
  pd.integrateMyself();
  check(pdi==pd,"Something is wrong here.");
  check(pd.deg()==5,"Something is wrong here.");
  check(pd[5]==3,"Something is wrong here.");
  check(pd[0]==0,"Something is wrong here.");
  
  
}