1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
|
// tp2points.cc: test program for P2Point class
//////////////////////////////////////////////////////////////////////////
//
// Copyright 1990-2012 John Cremona
//
// This file is part of the eclib package.
//
// eclib is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or (at your
// option) any later version.
//
// eclib is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with eclib; if not, write to the Free Software Foundation,
// Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
//
//////////////////////////////////////////////////////////////////////////
#include <eclib/p2points.h>
int main()
{
cout << "Test program for P2Point class" << endl;
P2Point P, Q, R;
cout << "Point input formats are [x:y:z], [x,y], [x/z,y/z] with any type of brackets" << endl;
cout << "Enter a point P: ";
cin >> P;
cout << "P="<<P<<endl;
cout << "output_pari(P) = "; output_pari(cout,P); cout<<endl;
cout << "P==P? "<< (P==P) <<endl;
P=P2Point(2,4,-6);
cout << "After P=P2Point(2,4,-6), P="<<P<<endl;
Q=P;
cout << "After Q=P, Q="<<Q<<endl;
Q=transform(P,BIGINT(3),BIGINT(4),BIGINT(5),BIGINT(6),0);
cout << "After Q=transform(P,3,4,5,6,0), Q="<<Q<<endl;
R=transform(Q,BIGINT(3),BIGINT(4),BIGINT(5),BIGINT(6),1);
cout << "After R=transform(Q,3,4,5,6,1), R="<<R<<endl;
cout << "R==P? "<< (R==P) <<endl;
bigint x,y,z; bigrational X,Y; bigfloat rx,ry;
P.getcoordinates(x,y,z);
cout<<"Projective coordinates of P are X="<<x<<", Y="<<y<<", Z="<<z<<endl;
P.getaffinecoordinates(X,Y);
cout<<"Affine coordinates of P are X="<<X<<", Y="<<Y<<endl;
P.getrealcoordinates(rx,ry);
cout<<"Real affine coordinates of P are X="<<rx<<", Y="<<ry<<endl;
cout<<"P.isintegral()? "<<P.isintegral()<<endl;
}
// end of file: tp2points.cc
|