99 lines
3.6 KiB
C++
99 lines
3.6 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 "Delay.hh"
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namespace sta {
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class DelayOpsSkewNormal : public DelayOps
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{
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public:
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float stdDev2(const Delay &delay,
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const EarlyLate *early_late) const override;
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float asFloat(const Delay &delay,
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const EarlyLate *early_late,
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const StaState *sta) const override;
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double asFloat(const DelayDbl &delay,
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const EarlyLate *early_late,
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const StaState *sta) const override;
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bool isZero(const Delay &delay) const override;
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bool isInf(const Delay &delay) const override;
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bool equal(const Delay &delay1,
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const Delay &delay2,
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const StaState *sta) const override;
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bool less(const Delay &delay1,
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const Delay &delay2,
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const StaState *sta) const override;
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bool less(const DelayDbl &delay1,
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const DelayDbl &delay2,
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const StaState *sta) const override;
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bool lessEqual(const Delay &delay1,
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const Delay &delay2,
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const StaState *) const override;
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bool greater(const Delay &delay1,
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const Delay &delay2,
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const StaState *) const override;
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bool greaterEqual(const Delay &delay1,
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const Delay &delay2,
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const StaState *) const override;
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Delay sum(const Delay &delay1,
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const Delay &delay2) const override;
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Delay sum(const Delay &delay1,
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float delay2) const override;
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Delay diff(const Delay &delay1,
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const Delay &delay2) const override;
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Delay diff(const Delay &delay1,
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float delay2) const override;
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Delay diff(float delay1,
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const Delay &delay2) const override;
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void incr(Delay &delay1,
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const Delay &delay2) const override;
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void incr(DelayDbl &delay1,
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const Delay &delay2) const override;
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void decr(Delay &delay1,
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const Delay &delay2) const override;
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void decr(DelayDbl &delay1,
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const Delay &delay2) const override;
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Delay product(const Delay &delay1,
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float delay2) const override;
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Delay div(float delay1,
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const Delay &delay2) const override;
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std::string asStringVariance(const Delay &delay,
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int digits,
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const StaState *sta) const override;
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private:
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float skewnessSum(const Delay &delay1,
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const Delay &delay2) const;
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double skewnessSum(double std_dev1,
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double skewness1,
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double std_dev2,
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double skewness2) const;
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};
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} // namespace
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