&, const size_t, const size_t)¶

Defined in File parallel.hpp

Function Documentation¶

template<typename TVec> std::tuple<std::unordered_map<size_t, size_t>, std::vector<size_t>> bats::reduce_block_sequential(ColumnMatrix<TVec> &M, ColumnMatrix<TVec> &U, const size_t j0, const size_t j1)¶

reduce a block of columns sequentially

Parameters

M – matrix to be reduced
U – change of basis matrix
j0 – start of column range
j1 – upper bound of column range

Returns

p2c map from pivots to columns for this block

Returns

nzcol vector of nonzero columns after reduction