61 lines
1.9 KiB
C++
61 lines
1.9 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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#pragma once
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#include "NetworkClass.hh"
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#include "SdcClass.hh"
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namespace sta {
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class Corner;
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class Parasitic;
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class ParasiticAnalysisPt;
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class StaState;
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// Reduce parasitic network to pi elmore model for drvr_pin.
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Parasitic *
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reduceToPiElmore(const Parasitic *parasitic_network,
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const Pin *drvr_pin,
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const RiseFall *rf,
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float coupling_cap_factor,
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const Corner *corner,
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const MinMax *min_max,
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const ParasiticAnalysisPt *ap,
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StaState *sta);
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// Reduce parasitic network to pi and 2nd order pole/residue models
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// for drvr_pin.
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Parasitic *
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reduceToPiPoleResidue2(const Parasitic *parasitic_network,
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const Pin *drvr_pin,
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const RiseFall *rf,
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float coupling_cap_factor,
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const Corner *corner,
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const MinMax *min_max,
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const ParasiticAnalysisPt *ap,
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StaState *sta);
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} // namespace
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