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 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112
|
// Test of vec_m package
//////////////////////////////////////////////////////////////////////////
//
// 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/method.h>
#include <eclib/mvector.h>
int main(void)
{
cout << "Test run of vector package.\n\n";
int i,j,k;
scalar n;
cout << "Enter n : "; cin >> n;
vec_m v;
cout << "Uninitialized new vector v = " << v << endl;
vec_m v2(v);
cout << "Copy of v = " << v2 << endl;
v.init(n);
cout << "Initialized new vector v = " << v << endl;
vec_m v3(v);
cout << "Copy of v = " << v3 << endl;
cout << "Enter new entries of v: ";
cin >> v;
cout << "Now v = " << v << endl;
vec_m w(3);
cout << "w = " << w << endl;
w = v;
cout << "After w=v, " << endl;
cout << "Now v = " << v << endl;
cout << "Now w = " << w << endl;
cout << "w==v: " << (w==v) << endl;
cout << "w!=v: " << (w!=v) << endl;
cout << "Enter i : "; cin >> i;
bigint two; two=2;
w*=two;
cout << "After w*=2, w = " << w << endl;
cout << "3*v = " << (3*v) << endl;
cout << "Now v = " << v << endl;
cout << "v+w = " << v+w << endl;
cout << "Now v = " << v << endl;
cout << "v-w = " << v-w << endl;
cout << "Now v = " << v << endl;
cout << "v*w = " << v*w << endl;
cout << "Now v = " << v << endl;
cout << "w/2 = " << w/two << endl;
cout << "Now w = " << w << endl;
cout << "-v = " << -v << endl;
cout << "+v = " << +v << endl;
cout << "+w = " << +w << endl;
cout << "v = " << v << "; w = " << w << endl;
cout << "Elements of v: \n";
for (i=1; i<=n; i++) cout << "v[" << i << "] = " << v[i] << endl;
cout << "Member test: Enter a test number: " ;
bigint vi;
cin >> vi; cout << vi;
if (member(vi,v)) cout << " IS "; else cout << " IS NOT ";
cout << "a member of v." << endl;
cout << "Subscript test\n";
cout << "Enter length of subscript vector:";
int m; cin >> m; vec index(m);
cout << "Enter subscript vector:";
cin >> index;
vec_m vv = v[index];
cout << "The sub-vector is " << vv << endl;
cout << "Change one entry of v. Index?"; cin >> i;
cout << "New entry?"; bigint x; cin >> x;
v[i]=x;
cout << "New entry: v[" << i << "] = " << v[i] << endl;
cout << "Now v = " << v << endl;
cout << "Initial slice; length? "; cin >> j;
cout << "Slice = " << v.slice(j) << endl;
cout << "Now v = " << v << endl;
cout << "General slice; beginning, end? "; cin >> j >> k;
cout << "Slice = " << v.slice(j,k) << endl;
cout << "Now v = " << v << endl;
cout << "w = " << w << "; mvecgcd(w) = " << mvecgcd(w) << endl;
makeprimitive(w);
cout << "After makeprimitive(w), w = " << w << endl;
vec sv = v.shorten(n);
cout << "v shortened to a vector of longs: " << sv << endl;
vec_m u(n);
cout << "u = "<< u << endl;
swapvec(u,v);
cout << "After swapvec(u,v):\nu = " << u << "\nv = " << v << endl;
}
|