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/*
* Copyright (C) the FFLAS-FFPACK group
* Written by Clément Pernet <clement.pernet@imag.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========
*.
*/
#define ENABLE_ALL_CHECKINGS 1
#define __FFLASFFPACK_SEQUENTIAL
#include "fflas-ffpack/fflas-ffpack-config.h"
#include <iomanip>
#include <iostream>
#include <random>
#include <chrono>
#include "fflas-ffpack/ffpack/ffpack.h"
#include "fflas-ffpack/utils/args-parser.h"
#include "fflas-ffpack/utils/test-utils.h"
#include <givaro/modular.h>
#include <givaro/modular-balanced.h>
using namespace std;
using namespace FFLAS;
using namespace FFPACK;
using Givaro::Modular;
using Givaro::ModularBalanced;
template <class Field>
bool run_with_field (Givaro::Integer q, size_t b, size_t n, size_t iters, uint64_t seed){
bool ok = true ;
int nbit=(int)iters;
while (ok && nbit){
Field* F= chooseField<Field>(q,b,seed);
if (F==nullptr)
return true;
cout<<"Checking with ";F->write(cout)<<endl;
size_t lda = n + (rand() % 4);
size_t ldx = n + (rand() % 4);
typename Field::Element_ptr A = fflas_new(*F, n, lda);
typename Field::Element_ptr X = fflas_new(*F, n, ldx);
typename Field::RandIter R(*F,seed++);
RandomMatrixWithRankandRandomRPM (*F, A, lda, n, n, n, G);
int nullity;
FFPACK::Invert(*F, n, A, lda, X, ldx, nullity);
if (nullity != 0){
std::cerr<<"Error: Singular matrix detected"<<std::endl;
fflas_delete(A);
fflas_delete(X);
return ok = false;
}
typename Field::Element_ptr Y = fflas_new(*F, n, n);
fidentity(*F, n, n, Y, n);
fgemm(*F, FflasNoTrans, FflasNoTrans, n,n,n, F->one, A, lda, X, ldx, F->mOne, Y, n);
if (! fiszero(*F,n,n,Y,n)){
//FFLAS::WriteMatrix (std::cerr<<"Y = "<<std::endl,*F,n,n,Y,n);
std::cerr<<"Error: A * A^{-1} != Id"<<std::endl;
fflas_delete(A);
fflas_delete(X);
fflas_delete(Y);
return ok = false;
}
nbit--;
fflas_delete(A);
fflas_delete(X);
fflas_delete(Y);
}
return ok;
}
int main(int argc, char** argv)
{
cerr<<setprecision(10);
Givaro::Integer q=-1;
size_t b=0;
size_t n=300;
size_t iters=3;
bool loop=false;
uint64_t seed = getSeed();
Argument as[] = {
{ 'q', "-q Q", "Set the field characteristic (-1 for random).", TYPE_INTEGER , &q },
{ 'b', "-b B", "Set the bitsize of the field characteristic.", TYPE_INT , &b },
{ 'n', "-n N", "Set the dimension of the square matrix.", TYPE_INT , &n },
{ 'i', "-i R", "Set number of repetitions.", TYPE_INT , &iters },
{ 'l', "-loop Y/N", "run the test in an infinite loop.", TYPE_BOOL , &loop },
{ 's', "-s seed", "Set seed for the random generator", TYPE_UINT64, &seed },
END_OF_ARGUMENTS
};
FFLAS::parseArguments(argc,argv,as);
srand(seed);
bool ok = true;
do{
ok = ok && run_with_field<Modular<double> >(q,b,n,iters,seed);
ok = ok && run_with_field<ModularBalanced<double> >(q,b,n,iters,seed);
ok = ok && run_with_field<Modular<float> >(q,b,n,iters,seed);
ok = ok && run_with_field<ModularBalanced<float> >(q,b,n,iters,seed);
ok = ok && run_with_field<Modular<int32_t> >(q,b,n,iters,seed);
ok = ok && run_with_field<ModularBalanced<int32_t> >(q,b,n,iters,seed);
ok = ok && run_with_field<Modular<int64_t> >(q,b,n,iters,seed);
ok = ok && run_with_field<ModularBalanced<int64_t> >(q,b,n,iters,seed);
ok = ok && run_with_field<Modular<Givaro::Integer> >(q,(b?b:512),n/4+1,iters,seed);
} while (loop && ok);
return !ok ;
}
/* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim:sts=4:sw=4:ts=4:et:sr:cino=>s,f0,{0,g0,(0,\:0,t0,+0,=s
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