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get_nnzeros -- Get number of nonzero elements in a sparse matrix 

nz = a%get_nnzeros()

Type:
Asynchronous.
On Entry
a
the sparse matrix
Scope: local

On Return
Function value
The number of nonzero elements stored in sparse matrix a.

Notes

  1. The function value is specific to the storage format of matrix a; some storage formats employ padding, thus the returned value for the same matrix may be different for different storage choices.