81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2025, Parallax Software, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//
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// The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software.
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//
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// Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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//
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// This notice may not be removed or altered from any source distribution.
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#include "PinPair.hh"
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#include "Network.hh"
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namespace sta {
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PinPairLess::PinPairLess(const Network *network) :
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network_(network)
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{
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}
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bool
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PinPairLess::operator()(const PinPair &pair1,
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const PinPair &pair2) const
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{
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const Pin *pair1_pin1 = pair1.first;
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const Pin *pair1_pin2 = pair1.second;
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const Pin *pair2_pin1 = pair2.first;
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const Pin *pair2_pin2 = pair2.second;
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return (pair1_pin1 == nullptr && pair2_pin1)
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|| (pair1_pin1 && pair2_pin1
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&& (network_->id(pair1_pin1) < network_->id(pair2_pin1)
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|| (pair1_pin1 == pair2_pin1
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&& ((pair1_pin2 == nullptr && pair2_pin2)
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|| (pair1_pin2 && pair2_pin2
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&& network_->id(pair1_pin2) < network_->id(pair2_pin2))))));
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}
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bool
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PinPairEqual::operator()(const PinPair &pair1,
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const PinPair &pair2) const
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{
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return pair1.first == pair2.first
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&& pair1.second == pair2.second;
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}
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PinPairHash::PinPairHash(const Network *network) :
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network_(network)
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{
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}
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size_t
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PinPairHash::operator()(const PinPair &pair) const
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{
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size_t hash = hash_init_value;
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hashIncr(hash, network_->id(pair.first));
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hashIncr(hash, network_->id(pair.second));
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return hash;
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}
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PinPairSet::PinPairSet(const Network *network) :
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Set<PinPair, PinPairLess>(PinPairLess(network))
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{
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}
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} // namespace
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