OpenSTA/include/sta/Fuzzy.hh

// OpenSTA, Static Timing Analyzer
// Copyright (c) 2026, Parallax Software, 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 <https://www.gnu.org/licenses/>.
// 
// The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software.
// 
// Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 
// This notice may not be removed or altered from any source distribution.

#pragma once

namespace sta {

// "Fuzzy" floating point comparisons that allow some tolerance.

bool
fuzzyEqual(float v1,
           float v2);
bool
fuzzyZero(float v);
bool
fuzzyLess(float v1,
          float v2);
bool
fuzzyLessEqual(float v1,
               float v2);
bool
fuzzyGreater(float v1,
             float v2);
bool
fuzzyGreaterEqual(float v1,
                  float v2);
bool
fuzzyInf(float value);

} // namespace sta