Add/SparseMatricesCSR

[victorsndvg]

• Integrate SparseMatricesCSR into Gridap Assemblers and MultiAssemblers.
• Assemblers and MultiAssemblers are able to work with AbstractSparseMatrix data type.
• Assemblers and MultiAssemblers work with SparseMatrixCSC (from SparseArrays), SparseMatrixCSR and SymSparseMatrixCSR (from SparseMatricesCSR).
• Tests included

[codecov-io]

Codecov Report

Merging #118 into master will decrease coverage by 0.14%.
The diff coverage is 72.72%.

@@            Coverage Diff             @@
##           master     #118      +/-   ##
==========================================
- Coverage   91.59%   91.45%   -0.15%     
==========================================
  Files          90       90              
  Lines        4761     4775      +14     
==========================================
+ Hits         4361     4367       +6     
- Misses        400      408       +8

Impacted Files	Coverage Δ
src/FESpaces/FEOperators.jl	78.89% <0%> (-3.01%)	⬇️
src/FESpaces/Assemblers.jl	93.1% <100%> (+0.51%)	⬆️
src/MultiField/MultiAssemblers.jl	83.95% <68.75%> (-4.05%)	⬇️

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[fverdugo]

Congrats for the work!

A part form the comments I have done in the code, I don't see the call to finalize_coo! Have you followed another aproach?

[fverdugo]

👍

[fverdugo]

Just a detail. I still miss the finalize_coo! function. It's not needed any more?

[victorsndvg]

@fverdugo , yes you are right! i forgot finalize_coo! function.

[victorsndvg]

call to finalize_coo! added in 6ef127f

[fverdugo]

Just a final comment @victorsndvg

The Travis CI time has doubled. Do you know if this is this related with your changes or due to another source?

[victorsndvg]

Just a final comment @victorsndvg

The Travis CI time has doubled. Do you know if this is this related with your changes or due to another source?

I've to check it

[fverdugo]

your branch took 23m and the PR 41m.

master has not diverged from your branch so the PR should be equal to your branch.

It seems something not related with us, right?