sum.cpp

//****************************************************************************//
//     Copyright (C) 2016-2024 Florent Hivert <Florent.Hivert@lisn.fr>,       //
//                                                                            //
//  This file is part of HP-Combi <https://github.com/libsemigroups/HPCombi>  //
//                                                                            //
//  HP-Combi 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 3 of the License, or             //
//  (at your option) any later version.                                       //
//                                                                            //
//  HP-Combi 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 HP-Combi. If not, see <https://www.gnu.org/licenses/>.               //
//****************************************************************************//

#include "hpcombi/perm16.hpp"
#include "testtools.hpp"
#include <cstdlib>
#include <iostream>

using namespace std;
using namespace HPCombi;

#define ASSERT(test)                                                           \
    if (!(test))                                                               \
    cout << "Test failed in file " << __FILE__ << " line " << __LINE__         \
         << ": " #test << endl

int main() {
    auto vrand = rand_perms(1000);
    auto rep = 10000;

    cout << "Loop   : ";
    double reftime = timethat(
        [vrand]() {
            for (Perm16 v : vrand)
                ASSERT(v.sum_ref() == 120);
        },
        rep);
    cout << "4 rnds : ";
    timethat(
        [vrand]() {
            for (Perm16 v : vrand)
                ASSERT(v.sum4() == 120);
        },
        rep, reftime);
    cout << "3 rnds : ";
    timethat(
        [vrand]() {
            for (Perm16 v : vrand)
                ASSERT(v.sum3() == 120);
        },
        rep, reftime);
    return EXIT_SUCCESS;
}