153 lines
3.3 KiB
C++
153 lines
3.3 KiB
C++
// OpenSTA, Static Timing Analyzer
|
|
// Copyright (c) 2025, 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 "MinMax.hh"
|
|
|
|
// Delay values defined as floats.
|
|
|
|
namespace sta {
|
|
|
|
class StaState;
|
|
|
|
typedef float Delay;
|
|
// Delay double for accumulating Delays.
|
|
typedef double DelayDbl;
|
|
|
|
const Delay delay_zero = 0.0;
|
|
|
|
void
|
|
initDelayConstants();
|
|
|
|
const char *
|
|
delayAsString(const Delay &delay,
|
|
const StaState *sta);
|
|
const char *
|
|
delayAsString(const Delay &delay,
|
|
const StaState *sta,
|
|
int digits);
|
|
const char *
|
|
delayAsString(const Delay &delay,
|
|
const EarlyLate *early_late,
|
|
const StaState *sta,
|
|
int digits);
|
|
|
|
inline Delay
|
|
makeDelay(float delay,
|
|
float,
|
|
float)
|
|
{
|
|
return delay;
|
|
}
|
|
|
|
inline Delay
|
|
makeDelay2(float delay,
|
|
float,
|
|
float)
|
|
{
|
|
return delay;
|
|
}
|
|
|
|
inline float
|
|
delayAsFloat(const Delay &delay)
|
|
{
|
|
return delay;
|
|
}
|
|
|
|
// mean late+/early- sigma
|
|
inline float
|
|
delayAsFloat(const Delay &delay,
|
|
const EarlyLate *,
|
|
const StaState *)
|
|
{
|
|
return delay;
|
|
}
|
|
|
|
inline float
|
|
delaySigma2(const Delay &,
|
|
const EarlyLate *)
|
|
{
|
|
return 0.0;
|
|
}
|
|
|
|
const Delay &
|
|
delayInitValue(const MinMax *min_max);
|
|
bool
|
|
delayIsInitValue(const Delay &delay,
|
|
const MinMax *min_max);
|
|
bool
|
|
delayZero(const Delay &delay);
|
|
bool
|
|
delayInf(const Delay &delay);
|
|
bool
|
|
delayEqual(const Delay &delay1,
|
|
const Delay &delay2);
|
|
bool
|
|
delayLess(const Delay &delay1,
|
|
const Delay &delay2,
|
|
const StaState *sta);
|
|
bool
|
|
delayLess(const Delay &delay1,
|
|
const Delay &delay2,
|
|
const MinMax *min_max,
|
|
const StaState *sta);
|
|
bool
|
|
delayLessEqual(const Delay &delay1,
|
|
const Delay &delay2,
|
|
const StaState *sta);
|
|
bool
|
|
delayLessEqual(const Delay &delay1,
|
|
const Delay &delay2,
|
|
const MinMax *min_max,
|
|
const StaState *sta);
|
|
bool
|
|
delayGreater(const Delay &delay1,
|
|
const Delay &delay2,
|
|
const StaState *sta);
|
|
bool
|
|
delayGreaterEqual(const Delay &delay1,
|
|
const Delay &delay2,
|
|
const StaState *sta);
|
|
bool
|
|
delayGreaterEqual(const Delay &delay1,
|
|
const Delay &delay2,
|
|
const MinMax *min_max,
|
|
const StaState *sta);
|
|
bool
|
|
delayGreater(const Delay &delay1,
|
|
const Delay &delay2,
|
|
const MinMax *min_max,
|
|
const StaState *sta);
|
|
|
|
// delay1-delay2 subtracting sigma instead of addiing.
|
|
Delay
|
|
delayRemove(const Delay &delay1,
|
|
const Delay &delay2);
|
|
float
|
|
delayRatio(const Delay &delay1,
|
|
const Delay &delay2);
|
|
|
|
} // namespace
|