Line data    Source code

       1          27 : spfind(A::SparseMatrixCSC) = findnz(A)
       2             : 
       3           9 : function spfind(A::SparseT)
       4           9 :     i, j, v = findnz(A')
       5           9 :     j, i, v
       6             : end
       7             : 
       8             : 
       9             : # NOTE: obsolete
      10             : # SparseArrays.nnz(A::SparseT) = nnz(A')
      11             : 
      12           2 : function spfind(predicate, A::SparseOp)
      13           2 :     i, j, v = spfind(A)
      14           2 :     k = findall(predicate, v)
      15           2 :     i[k], j[k], v[k]
      16             : end
      17             : 
      18             : """
      19             :     i, j, v = spfind(A)
      20             :     j, i, v = spfind(A')
      21             :     i, j, v = spfind(predicate, A)
      22             : 
      23             : Same as `findnz` (but works also for the **adjoint** `A'`) with
      24             : optional filtering by `predicate` on values `v`.
      25             : 
      26             : !!! note
      27             :     `SparseArrays` does not (yet?) define some functions on
      28             :         transposed sparse matrices (`Adjoint{...}` types).
      29             : """ spfind