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packages/engine/scram-node/src/ext/float_compare.h

Floating pointing comparison helper functions.

Source code

cpp
/*
 * Copyright (C) 2014-2018 Olzhas Rakhimov
 * Copyright (C) 2023 OpenPRA ORG Inc.
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */


#pragma once

#include <cassert>
#include <cmath>

namespace ext {

inline bool is_close(double lhs, double rhs, double tolerance) noexcept {
  assert(tolerance < 1 && "Invalid tolerance for float comparison.");
  return std::abs(lhs - rhs) <= std::abs(lhs) * tolerance;
}

}  // namespace ext

Updated on 2025-11-11 at 16:51:08 +0000