Method uncompress

deps/Eigen/src/SparseCore/SparseMatrix.h:621–628

Turns the matrix into the uncompressed mode */

  /** Turns the matrix into the uncompressed mode */
  void uncompress() {
    if (!isCompressed()) return;
    m_innerNonZeros = internal::conditional_aligned_new_auto<StorageIndex, true>(m_outerSize);
    if (m_outerIndex[m_outerSize] == 0)
      std::fill_n(m_innerNonZeros, m_outerSize, StorageIndex(0));
    else
      for (Index j = 0; j < m_outerSize; j++) m_innerNonZeros[j] = m_outerIndex[j + 1] - m_outerIndex[j];
  }

  /** Suppresses all nonzeros which are \b much \b smaller \b than \a reference under the tolerance \a epsilon */
  void prune(const Scalar& reference, const RealScalar& epsilon = NumTraits<RealScalar>::dummy_precision()) {