Method equivalent

highs/util/HighsSparseMatrix.cpp:39–51

}

bool HighsSparseMatrix::equivalent(const HighsSparseMatrix& matrix) const {
  // Use this to test when the matrices may be in opposite format
  if (*this == matrix) return true;
  // Creat a local copy in of matrix in the same format as this and
  // test for it being equal to this
  HighsSparseMatrix lc_matrix = matrix;
  if (this->isColwise()) {
    lc_matrix.ensureColwise();
  } else {
    lc_matrix.ensureRowwise();
  }
  return *this == lc_matrix;
}

void HighsSparseMatrix::clear() {
  this->num_col_ = 0;