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/* Copyright (C) LinBox
*
* using generic testBlackbox -bds
*
* ========LICENCE========
* This file is part of the library LinBox.
*
* LinBox is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*/
/*! @file tests/test-triplesbb.C
* @ingroup tests
*
* @brief no doc
*
* @test no doc.
*/
#include "linbox/linbox-config.h"
#include <iostream>
#include <fstream>
#include "linbox/ring/modular.h"
#include "linbox/matrix/sparse-matrix.h"
#include "linbox/matrix/matrix-domain.h"
#include "test-blackbox.h"
#include "test-common.h"
using namespace LinBox;
template<class BB>
void randBuild(BB & A, size_t nnz){
for(size_t i = 0; i < nnz; ++i)
{ typename BB::Field::Element d; A.field().init(d, rand());
size_t ii = rand()%A.rowdim();
size_t jj = rand()%A.coldim();
A.setEntry(ii,jj, d);
}
}
template<class BB>
void bidiag(BB & A){
typename BB::Field::Element d; A.field().assign(d, A.field().one);
A.setEntry(0,0, d);
size_t n = A.coldim() > A.rowdim() ? A.rowdim() : A.coldim();
for(size_t i = 1; i < n; ++i)
{ A.setEntry(i,i, d);
A.setEntry(i,i-1, d);
}
}
int main (int argc, char **argv)
{
// ofstream report;
bool pass = true;
static size_t m = 4;
static size_t n = 20;
static size_t nnz = 0;
static integer q = 65521U;
q = 101;
static Argument args[] = {
{ 'm', "-m M", "Set row dimension of test matrix to M.", TYPE_INT, &m },
{ 'n', "-n N", "Set col dimension of test matrix to N.", TYPE_INT, &n },
{ 'z', "-n NNZ", "Set number of nonzero entries in test matrix.", TYPE_INT, &nnz },
{ 'q', "-q Q", "Operate over the \"field\" GF(Q) [1].", TYPE_INTEGER, &q },
END_OF_ARGUMENTS
};
parseArguments (argc, argv, args);
if (nnz == 0) nnz = m*n/10;
srand ((unsigned)time (NULL));
commentator().start("TriplesBB black box test suite", "triplesbb");
//Field
typedef Givaro::Modular<double> Field;
typedef Field::Element Element;
Field F (q);
MatrixDomain<Field> MD(F);
typedef MatrixDomain<Field>::OwnMatrix OwnMatrix;
//Vectors
VectorDomain<Field> VD(F);
BlasVector<Field> x(F,n), y(F,m), z(F,m);
for (size_t i = 0; i < n; ++i) F.init(x[i], i+1);
// TriplesBB<Field> A(F, m, n);
SparseMatrix<Field,SparseMatrixFormat::TPL> A(F, m, n);
randBuild(A, nnz);
pass = pass && testBlackbox(A);
// just see if it compiles
size_t b = 10;
OwnMatrix X(F,n,b), Y(F,m,b), Z(F,b,m), W(F,b,n);
X.random(); Z.random();
A.applyLeft(Y, X);
A.applyRight(W, Z);
// standard constructor
// TriplesBB<Field> B(F, m, n);
SparseMatrix<Field,SparseMatrixFormat::TPL> B(F, m, n);
bidiag(B);
pass = pass && testBlackbox(B);
B.apply(y, x);
// default cstor plus init
// TriplesBB<Field> C(F);
SparseMatrix<Field,SparseMatrixFormat::TPL> C(F);
C.init(F, m, n);
bidiag(C);
pass = pass && testBlackbox(C);
// check B == C
C.apply(z, x);
if (not VD.areEqual(y, z)) {
pass = false;
LinBox::commentator().report() << "fail: cstor and init disagree" << std::endl;
}
// copy construction
// TriplesBB<Field> D(B);
SparseMatrix<Field,SparseMatrixFormat::TPL> D(B);
pass = pass && testBlackbox(D);
// check B == D
D.apply(z, x);
if (not VD.areEqual(y, z)) {
pass = false;
LinBox::commentator().report() << "copy cstor failure" << std::endl;
}
// check that it's deep copy
Element a;
B.getEntry(a,0,0);
F.addin(a, F.one);
D.setEntry(0,0,a);
D.apply(z, x);
if (VD.areEqual(y, z)) {
pass = false;
LinBox::commentator().report() << "fail changed copy cstor and original agree" << std::endl;
VD.write(commentator().report() << "y ", y) << std::endl;
VD.write(commentator().report() << "z ", z) << std::endl;
}
commentator().stop("TriplesBB black box test suite");
return pass ? 0 : -1;
}
// Local Variables:
// mode: C++
// tab-width: 4
// indent-tabs-mode: nil
// c-basic-offset: 4
// End:
// vim:sts=4:sw=4:ts=4:et:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s
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