Eigen
3.4.99 (git rev 199c5f2b47eb1f8e5a2d20e60f07e97cd95a6ba6)

Pseudo expression representing a solving operation.
Decomposition  the type of the matrix or decomposition object 
Rhstype  the type of the righthand side 
This class represents an expression of A.solve(B) and most of the time this is the only way it is used.
Inherits Eigen::SolveImpl< Decomposition, RhsType, internal::traits< RhsType >::StorageKind >.