test/polynomial_test.cc
author kpeter
Thu, 28 Feb 2008 02:58:26 +0000
changeset 2584 84ef3c5b3698
parent 2391 14a343be7a5a
permissions -rw-r--r--
Test file for the min cost flow algorithms.
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/* -*- C++ -*-
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 *
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 * This file is a part of LEMON, a generic C++ optimization library
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 *
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 * Copyright (C) 2003-2008
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 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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 * (Egervary Research Group on Combinatorial Optimization, EGRES).
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 *
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 * Permission to use, modify and distribute this software is granted
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 * provided that this copyright notice appears in all copies. For
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 * precise terms see the accompanying LICENSE file.
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 *
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 * This software is provided "AS IS" with no warranty of any kind,
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 * express or implied, and with no claim as to its suitability for any
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 * purpose.
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 *
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 */
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#include <lemon/polynomial.h>
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#include <lemon/dim2.h>
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#include <iostream>
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#include "test_tools.h"
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using namespace std;
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using namespace lemon;
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int main()
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{
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  Polynomial<int> pi(5);
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  check(pi.deg()==5,"Something is wrong here.");
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  pi[0]=12;
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  pi[5]=3;
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  pi[2]=7;
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  check(pi[1]==0,"Uninitialized elements should be(?) zero.");
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  {
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    Polynomial<double> pd=pi;
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    check(pd.deg()==5,"Something is wrong here.");
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    check(pd[0]==12,"Something is wrong here.");
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    check(pd[5]==3,"Something is wrong here.");
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  }
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  Polynomial<double> pd;
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  pd=pi;
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  check(pd.deg()==5,"Something is wrong here.");
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  check(pd[0]==12,"Something is wrong here.");
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  check(pd[5]==3,"Something is wrong here.");
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  check(pd(0)==12,"Something is wrong here.");
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  check(pd(1)==22,"Something is wrong here.");
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  check(pd(2)==136,"Something is wrong here.");
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  check((pd*pi).deg()==10,"Something is wrong here.");
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  check((pd*pi)[10]==9,"Something is wrong here.");
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  check((pd*pi)[7]==42,"Something is wrong here.");
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  Polynomial<double> pd2=pd+pi;
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  check(pd2[5]==6,"Something is wrong here.");
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  pd2+=pd;
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  pd2+=pi;
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  check(pd2[5]==12,"Something is wrong here.");
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  pd2-=pd;
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  pd2-=pi;
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  check(pd2[5]==6,"Something is wrong here.");
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  check((pd-pi)[5]==0,"Something is wrong here.");
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  Polynomial<double> pdd=pd.derivate();
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  pd.derivateMyself();
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  check(pdd==pd,"Something is wrong here.");
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  check(pd.deg()==4,"Something is wrong here.");
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  check(pd[4]==15,"Something is wrong here.");
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  Polynomial<double> pdi=pd.integrate();
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  pd.integrateMyself();
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  check(pdi==pd,"Something is wrong here.");
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  check(pd.deg()==5,"Something is wrong here.");
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  check(pd[5]==3,"Something is wrong here.");
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  check(pd[0]==0,"Something is wrong here.");
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}