OpenSTA/util/RiseFallValues.cc

// OpenSTA, Static Timing Analyzer
// Copyright (c) 2026, 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.

#include "RiseFallValues.hh"

namespace sta {

RiseFallValues::RiseFallValues()
{
  clear();
}

void
RiseFallValues::clear()
{
  for (auto rf_index : RiseFall::rangeIndex())
    exists_[rf_index] = false;
}

RiseFallValues::RiseFallValues(float init_value)
{
  for (auto rf_index : RiseFall::rangeIndex()) {
    values_[rf_index] = init_value;
    exists_[rf_index] = true;
  }
}

void
RiseFallValues::setValue(float value)
{
  setValue(RiseFallBoth::riseFall(), value);
}

void
RiseFallValues::setValue(const RiseFallBoth *rf,
                         float value)
{
  for (auto rf_index : rf->rangeIndex()) {
    values_[rf_index] = value;
    exists_[rf_index] = true;
  }
}

void
RiseFallValues::setValue(const RiseFall *rf,
                         float value)
{
  int rf_index = rf->index();
  values_[rf_index] = value;
  exists_[rf_index] = true;
}

void
RiseFallValues::setValues(RiseFallValues *values)
{
  for (auto rf_index : RiseFall::rangeIndex()) {
    values_[rf_index] = values->values_[rf_index];
    exists_[rf_index] = values->exists_[rf_index];
  }
}

void
RiseFallValues::value(const RiseFall *rf,
                      float &value, bool &exists) const
{
  int rf_index = rf->index();
  exists = exists_[rf_index];
  if (exists)
    value = values_[rf_index];
}

float
RiseFallValues::value(const RiseFall *rf) const
{
  return values_[rf->index()];
}

bool
RiseFallValues::hasValue(const RiseFall *rf) const
{
  return exists_[rf->index()];
}

} // namespace sta