Method getScaledAMatrixPointer

highs/simplex/HEkk.cpp:439–450

}

HighsSparseMatrix* HEkk::getScaledAMatrixPointer() {
  // Return a pointer to either the constraint matrix or a scaled copy
  // (that is a member of the HEkk class), with the latter returned if
  // the LP has scaling factors but is unscaled.
  HighsSparseMatrix* local_scaled_a_matrix = &(this->lp_.a_matrix_);
  if (this->lp_.scale_.has_scaling && !this->lp_.is_scaled_) {
    scaled_a_matrix_ = this->lp_.a_matrix_;
    scaled_a_matrix_.applyScale(this->lp_.scale_);
    local_scaled_a_matrix = &scaled_a_matrix_;
  }
  return local_scaled_a_matrix;
}

HighsStatus HEkk::dualize() {
  assert(lp_.a_matrix_.isColwise());