Removed non-standard conforming (17.4.3.1.2/1) leading underscore. (grafted from 70084590d0c868d16948fb70518195f196d595d0)
Removed non-standard conforming (17.4.3.1.2/1) leading underscore.
(grafted from 70084590d0c868d16948fb70518195f196d595d0)

--HG--
branch : 3.2

robustrobotics/eigen,robustrobotics/eigen,robustrobotics/eigen,robustrobotics/eigen