https://github.com/linbox-team/fflas-ffpack
Tip revision: 1d9a954c939b396ce0eb30e5179f6b97225f2f66 authored by Jean-Guillaume Dumas on 04 May 2018, 13:49:46 UTC
no stdcerr
no stdcerr
Tip revision: 1d9a954
test-invert-check.C
/* -*- mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
// vim:sts=4:sw=4:ts=4:noet:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s
/*
* Copyright (C) 2015 the FFLAS-FFPACK group
* Written by Ashley Lesdalons <Ashley.Lesdalons@e.ujf-grenoble.fr>
*
* This file is Free Software and part of FFLAS-FFPACK.
*
* ========LICENCE========
* This file is part of the library FFLAS-FFPACK.
*
* FFLAS-FFPACK 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========
*
*/
//--------------------------------------------------------------------------
// Test for Checker_invert
//--------------------------------------------------------------------------
#define ENABLE_ALL_CHECKINGS 1
#include <iostream>
#include <stdlib.h>
#include "fflas-ffpack/fflas-ffpack.h"
#include "fflas-ffpack/utils/args-parser.h"
#include "fflas-ffpack/utils/test-utils.h"
#include "fflas-ffpack/utils/fflas_randommatrix.h"
using namespace FFLAS;
int main(int argc, char** argv) {
typedef Givaro::Modular<double> Field;
Givaro::Integer q = 131071;
size_t iter = 3;
size_t MAXM = 1000;
uint64_t seed = getSeed();
Argument as[] = {
{ 'q', "-q Q", "Set the field characteristic (-1 for random).", TYPE_INTEGER , &q },
{ 'n', "-n N", "Set the maximal size of the matrix.", TYPE_INT , &MAXM },
{ 'i', "-i R", "Set number of repetitions.", TYPE_INT , &iter },
{ 's', "-s N", "Set the seed.", TYPE_UINT64 , &seed },
END_OF_ARGUMENTS
};
FFLAS::parseArguments(argc,argv,as);
srand(seed);
FFLAS::writeCommandString(std::cout, as) << std::endl;
Field F(q);
Field::RandIter Rand(F,0,seed);
Field::NonZeroRandIter NZRand(Rand);
srandom(seed);
int nullity;
size_t m = MAXM, pass = 0;
for (size_t i=0; i<iter; ++i) {
m = random() % MAXM + 1;
std::cout << "m= " << m << "\n";
size_t lda = m<<1;
Field::Element_ptr A = FFLAS::fflas_new(F,lda,lda);
FFPACK::RandomMatrixWithRankandRandomRPM(F,m,m,m,A,lda,Rand);
FFPACK::Checker_invert<Field> checker(Rand,m,A,lda);
try {
FFPACK::Invert(F,m,A,lda,nullity);
checker.check(A,nullity);
std::cout << "Verification successful\n";
pass++;
} catch (FailureInvertCheck &e) {
std::cout << "Verification failed!\n";
}
FFLAS::fflas_delete(A);
}
std::cout << pass << "/" << iter << " tests were successful.\n";
return 0;
}