fillDenseArray()

template<typename RingType>

void ConcreteVectorArithmetic< RingType >::fillDenseArray ( ElementArray & dense, const ElementArray & sparse, const Range< const int > & comps ) const

inline

Definition at line 222 of file VectorArithmetic.hpp.

  {
    // Note: this function simply fills in the values coming from '(sparse, comps)'.
    //   Other values are not touched.
    // In our intended uses, the input `dense` is the vector consisting of all zeros.
    
    auto& dvec = * elementArray(dense);
    auto& svec = * elementArray(sparse);
    
    assert(comps.size() == svec.size());
    assert(comps[comps.size()-1] < dvec.size());
    
    auto len = comps.size();
    for (ComponentIndex i = 0; i < len; i++) mRing->set(dvec[comps[i]],svec[i]);
  }

References dvec(), elementArray(), mRing, and Range< T >::size().