Sebastien Boisvert 6228f27234 Fix #1818: SparseLU: add methods nnzL() and nnzU()
Now this compiles without errors:

$ clang++ -I ../../ test_sparseLU.cpp -std=c++03
2020-06-11 23:49:49 +00:00
..
2020-06-11 00:56:54 +00:00
2017-11-10 14:11:22 +01:00
LU
2017-08-17 21:58:39 +02:00
2017-11-27 22:11:57 +01:00
SVD
2017-08-17 21:58:39 +02:00