removing std::cout in the middle of schur
fix #810: move integral case of pow_abs back to pow
missing includes in generic/pow.hpp
yet one missing include in generic/pow
in pow, use negif instead of if_else and unary minus to avoid issues with scalar int8
geneig update (generalized eigen values problem a*x= l*b*x)
 correcting geneig includes
adding some geneig calls and testing all for real inputs
unit teststs for all geneig calls
wrong manip after rebase. correcting geneig.hpp and real unit tests
useless redeclaration of selectall types
Merge pull request #812 from jtlap/linalg_7b_geneig

Linalg 7b geneig