Adding suitesparse deps in DGtal
WIP for suitesparse on mac
suitesparse ok
concept cleanup'
concept graph update
Merge branch 'master' into dec
import from dfoam repo
build without suitesparse
cmake typo
minimal suitesparse wrapper
dec test and example compile
eigen dec backend
test fail with eigen
Calculus has LinearAlgebra template param to change backend
fix
added zero container factory to container concept
eigen sparse type lacks default coeff ref opearator
inefficient sparse eigen matrix filling
fair comparison show that eigen is the best backend
CLinearAlgebra concept and namespace cleanup