fix compilation with icc. Anyway, the use of an enum instead of a 'const bool' is more consistent with the code around.
fix compilation with icc. Anyway, the use of an enum instead of a
'const bool' is more consistent with the code around.

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