https://hal.archives-ouvertes.fr/hal-02128878
Tip revision: 4201397494d9af8b687117e8ff4d85a8944f5c5a authored by Software Heritage on 11 June 2019, 10:15:02 UTC
hal: Deposit 298 in collection hal
hal: Deposit 298 in collection hal
Tip revision: 4201397
test-rpm.C
/*
* Copyright (C) the FFLAS-FFPACK group
* Written by Clément Pernet
* 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========
*.
*/
#include <iostream>
#include "givaro/modular.h"
#include "fflas-ffpack/fflas-ffpack-config.h"
#include "fflas-ffpack/utils/test-utils.h"
#include "fflas-ffpack/utils/args-parser.h"
#include "fflas-ffpack/ffpack/ffpack.h"
using namespace std;
using namespace FFLAS;
using namespace FFPACK;
bool checkRPM (size_t M, size_t N, size_t R){
size_t * rows = fflas_new<size_t>(R);
size_t * cols = fflas_new<size_t>(R);
RandomRankProfileMatrix (M, N, R, rows, cols);
std::sort(rows,rows+R);
std::sort(cols,cols+R);
bool ok = true;
// checking that all row and col indices are distinct
for (size_t i=0; i<R-1; i++){
if (rows[i] == rows[i+1] || cols[i] == cols[i+1]){
ok =false;
cerr<<"Error in RPM: rows["<<i<<"] = "<<rows[i]<<endl
<<" rows["<<i+1<<"] = "<<rows[i+1]<<endl
<<" cols["<<i<<"] = "<<cols[i]<<endl
<<" cols["<<i+1<<"] = "<<cols[i+1]<<endl;
}
}
fflas_delete(rows,cols);
return ok;
}
bool checkSymmetricRPM (size_t N, size_t R){
size_t * rows = fflas_new<size_t>(R);
size_t * cols = fflas_new<size_t>(R);
bool ok = true;
RandomSymmetricRankProfileMatrix (N, R, rows, cols);
// checking that the matrix is symmetric
Givaro::Modular<float> F(11);
float * A=fflas_new(F,N*N);
fzero(F,N,N,A,N);
for (size_t i=0; i<R; i++)
F.assign(A[rows[i]*N+cols[i]],F.one);
for (size_t i=0; i<N; i++)
for (size_t j=i+1; j<N; j++)
if (!F.areEqual(A[i*N+j],A[j*N+i])){
ok=false;
cerr<<"A["<<i<<", "<<j<<"] = "<<A[i*N+j]<<" != A["<<j<<", "<<i<<"]"<<std::endl;
}
if (!ok){
std::cerr<<"RPM FAILED"<<std::endl;
return false;
}
// checking that all row and col indices are distinct
std::sort(rows,rows+R);
std::sort(cols,cols+R);
for (size_t i=0; i<R-1; i++){
if (rows[i] == rows[i+1] || cols[i] == cols[i+1]){
ok =false;
cerr<<"Error in SymRPM: rows["<<i<<"] = "<<rows[i]<<endl
<<" rows["<<i+1<<"] = "<<rows[i+1]<<endl
<<" cols["<<i<<"] = "<<cols[i]<<endl
<<" cols["<<i+1<<"] = "<<cols[i+1]<<endl;
}
}
fflas_delete(rows,cols);
if (!ok) std::cerr<<"Symmetric RPM FAILED"<<std::endl;
return ok;
}
int main(int argc, char** argv){
size_t m=120;
size_t n=120;
size_t r=70;
size_t iters=3;
bool loop=false;
uint64_t seed = getSeed();
Argument as[] = {
{ 'm', "-m M", "Set the row dimension of the matrix.", TYPE_INT , &m },
{ 'n', "-n N", "Set the column dimension of the matrix.", TYPE_INT , &n },
{ 'r', "-r R", "Set the rank.", TYPE_INT , &r },
{ '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
};
parseArguments(argc,argv,as);
if (r > std::min (m,n))
r = std::min (m, n);
srand(seed);
bool ok = true;
size_t it = iters;
do{
ok = ok && checkRPM(m,n,r);
ok = ok && checkSymmetricRPM(n,r);
it--;
} while ((loop || it) && ok);
if (!ok)
std::cerr<<"with seed = "<<seed<<std::endl;
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