OpenSTA/dcalc/ParallelDelayCalc.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

#include <map>
#include <vector>

#include "DelayCalcBase.hh"

namespace sta {

// Delay calculation for parallel gates using parallel drive resistance.
class ParallelDelayCalc : public DelayCalcBase
{
public:
  ParallelDelayCalc(StaState *sta);
  ArcDcalcResultSeq gateDelays(ArcDcalcArgSeq &dcalc_args,
                               const LoadPinIndexMap &load_pin_index_map,
                               const Scene *scene,
                               const MinMax *min_max) override;
protected:
  ArcDcalcResultSeq gateDelaysParallel(ArcDcalcArgSeq &dcalc_args,
                                       const LoadPinIndexMap &load_pin_index_map,
                                       const Scene *scene,
                                       const MinMax *min_max);
};

} // namespace sta