78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
// OpenSTA, Static Timing Analyzer
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// Copyright (c) 2026, 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 "RiseFallMinMaxDelay.hh"
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namespace sta {
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RiseFallMinMaxDelay::RiseFallMinMaxDelay()
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{
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for (int rf_index = 0; rf_index<RiseFall::index_count; rf_index++) {
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for (int mm_index = 0; mm_index < MinMax::index_count; mm_index++) {
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exists_[rf_index][mm_index] = false;
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}
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}
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}
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bool
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RiseFallMinMaxDelay::empty() const
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{
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for (int rf_index = 0 ; rf_index < RiseFall::index_count ; rf_index++) {
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for (int mm_index = 0; mm_index < MinMax::index_count; mm_index++) {
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if (exists_[rf_index][mm_index])
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return false;
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}
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}
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return true;
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}
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void
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RiseFallMinMaxDelay::value(const RiseFall *rf,
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const MinMax *min_max,
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// Return values.
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Delay &value,
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bool &exists) const
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{
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exists = exists_[rf->index()][min_max->index()];
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if (exists)
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value = values_[rf->index()][min_max->index()];
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}
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void
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RiseFallMinMaxDelay::mergeValue(const RiseFall *rf,
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const MinMax *min_max,
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Delay &value,
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const StaState *sta)
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{
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int rf_index = rf->index();
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int mm_index = min_max->index();
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if (!exists_[rf_index][mm_index]
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|| delayGreater(value, values_[rf_index][mm_index], min_max, sta)) {
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values_[rf_index][mm_index] = value;
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exists_[rf_index][mm_index] = true;
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}
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}
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} // namespace
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