124 lines
3.0 KiB
C++
124 lines
3.0 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2019, 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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#include "config.h"
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#ifndef STA_DELAY_H
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#define STA_DELAY_H
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#if SSTA
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// Delays are Normal PDFs with early/late sigma.
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#include "DelayNormal2.hh"
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#else
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// Delays are floats.
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#include "DelayFloat.hh"
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#endif
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// API common to DelayFloat and DelayNormal2.
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namespace sta {
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class Units;
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class StaState;
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typedef Delay ArcDelay;
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typedef Delay Slew;
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typedef Delay Arrival;
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typedef Delay Required;
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typedef Delay Slack;
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void
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initDelayConstants();
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Delay
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makeDelay(float delay,
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float sigma_early,
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float sigma_late);
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// sigma^2
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Delay
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makeDelay2(float delay,
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float sigma2_early,
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float sigma2_late);
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float
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delayAsFloat(const Delay &delay);
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// mean late+/early- sigma
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float
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delayAsFloat(const Delay &delay,
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const EarlyLate *early_late);
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float
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delaySigma(const Delay &delay,
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const EarlyLate *early_late);
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float
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delaySigma2(const Delay &delay,
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const EarlyLate *early_late);
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const char *
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delayAsString(const Delay &delay,
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const Units *units);
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const char *
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delayAsString(const Delay &delay,
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const StaState *sta);
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const char *
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delayAsString(const Delay &delay,
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const Units *units,
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int digits);
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const char *
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delayAsString(const Delay &delay,
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const EarlyLate *early_late,
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const Units *units,
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int digits);
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const Delay &
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delayInitValue(const MinMax *min_max);
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bool
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delayIsInitValue(const Delay &delay,
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const MinMax *min_max);
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bool
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delayFuzzyZero(const Delay &delay);
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bool
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delayFuzzyEqual(const Delay &delay1,
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const Delay &delay2);
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bool
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delayFuzzyLess(const Delay &delay1,
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const Delay &delay2);
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bool
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delayFuzzyLess(const Delay &delay1,
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const Delay &delay2,
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const MinMax *min_max);
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bool
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delayFuzzyLessEqual(const Delay &delay1,
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const Delay &delay2);
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bool
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delayFuzzyLessEqual(const Delay &delay1,
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const Delay &delay2,
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const MinMax *min_max);
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bool
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delayFuzzyGreater(const Delay &delay1,
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const Delay &delay2);
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bool
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delayFuzzyGreaterEqual(const Delay &delay1,
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const Delay &delay2);
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bool
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delayFuzzyGreaterEqual(const Delay &delay1,
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const Delay &delay2,
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const MinMax *min_max);
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bool
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delayFuzzyGreater(const Delay &delay1,
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const Delay &delay2,
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const MinMax *min_max);
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float
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delayRatio(const Delay &delay1,
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const Delay &delay2);
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} // namespace
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#endif
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