Extend boost.multiprec unit test with ET on, complexes, and general/generalized eigenvalue solvers.
Extend boost.multiprec unit test with ET on, complexes, and general/generalized eigenvalue solvers.

pasuka/eigen,ROCmSoftwarePlatform/hipeigen,pasuka/eigen,pasuka/eigen,ROCmSoftwarePlatform/hipeigen,ritsu1228/eigen,ritsu1228/eigen,ritsu1228/eigen,ROCmSoftwarePlatform/hipeigen,ritsu1228/eigen,ROCmSoftwarePlatform/hipeigen,pasuka/eigen,pasuka/eigen,ritsu1228/eigen