Bug 670: add unit test for mapped input in sparse solver.
Bug 670: add unit test for mapped input in sparse solver.

pasuka/eigen,toastedcrumpets/eigen,TSC21/Eigen,toastedcrumpets/eigen,pasuka/eigen,Zefz/eigen,pasuka/eigen,TSC21/Eigen,pasuka/eigen,Zefz/eigen,ROCmSoftwarePlatform/hipeigen,ritsu1228/eigen,ritsu1228/eigen,ROCmSoftwarePlatform/hipeigen,ritsu1228/eigen,TSC21/Eigen,pasuka/eigen,toastedcrumpets/eigen,TSC21/Eigen,toastedcrumpets/eigen,ritsu1228/eigen,ritsu1228/eigen,Zefz/eigen,Zefz/eigen,ROCmSoftwarePlatform/hipeigen,ROCmSoftwarePlatform/hipeigen