lemon-0.x: test/polynomial_test.cc@054566ac0934

     1 /* -*- C++ -*-

     2  *

     3  * This file is a part of LEMON, a generic C++ optimization library

     4  *

     5  * Copyright (C) 2003-2008

     6  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

     7  * (Egervary Research Group on Combinatorial Optimization, EGRES).

     8  *

     9  * Permission to use, modify and distribute this software is granted

    10  * provided that this copyright notice appears in all copies. For

    11  * precise terms see the accompanying LICENSE file.

    12  *

    13  * This software is provided "AS IS" with no warranty of any kind,

    14  * express or implied, and with no claim as to its suitability for any

    15  * purpose.

    16  *

    17  */

    19 #include <lemon/polynomial.h>

    20 #include <lemon/dim2.h>

    21 #include <iostream>

    22 #include "test_tools.h"

    24 using namespace std;

    25 using namespace lemon;

    26 int main()

    27 {

    28   Polynomial<int> pi(5);

    29   check(pi.deg()==5,"Something is wrong here.");

    30   pi[0]=12;

    31   pi[5]=3;

    32   pi[2]=7;

    33   check(pi[1]==0,"Uninitialized elements should be(?) zero.");

    34   {

    35     Polynomial<double> pd=pi;

    36     check(pd.deg()==5,"Something is wrong here.");

    37     check(pd[0]==12,"Something is wrong here.");

    38     check(pd[5]==3,"Something is wrong here.");

    40   }

    42   Polynomial<double> pd;

    43   pd=pi;

    44   check(pd.deg()==5,"Something is wrong here.");

    45   check(pd[0]==12,"Something is wrong here.");

    46   check(pd[5]==3,"Something is wrong here.");

    48   check(pd(0)==12,"Something is wrong here.");

    49   check(pd(1)==22,"Something is wrong here.");

    50   check(pd(2)==136,"Something is wrong here.");

    52   check((pd*pi).deg()==10,"Something is wrong here.");

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

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

    56   Polynomial<double> pd2=pd+pi;

    57   check(pd2[5]==6,"Something is wrong here.");

    58   pd2+=pd;

    59   pd2+=pi;

    60   check(pd2[5]==12,"Something is wrong here.");

    61   pd2-=pd;

    62   pd2-=pi;

    63   check(pd2[5]==6,"Something is wrong here.");

    64   check((pd-pi)[5]==0,"Something is wrong here.");

    66   Polynomial<double> pdd=pd.derivate();

    67   pd.derivateMyself();

    68   check(pdd==pd,"Something is wrong here.");

    69   check(pd.deg()==4,"Something is wrong here.");

    70   check(pd[4]==15,"Something is wrong here.");

    73   Polynomial<double> pdi=pd.integrate();

    74   pd.integrateMyself();

    75   check(pdi==pd,"Something is wrong here.");

    76   check(pd.deg()==5,"Something is wrong here.");

    77   check(pd[5]==3,"Something is wrong here.");

    78   check(pd[0]==0,"Something is wrong here.");

    81 }

author	kpeter
	Thu, 28 Feb 2008 02:54:27 +0000
changeset 2581	054566ac0934
parent 2391	14a343be7a5a
permissions	-rw-r--r--