add vvinit in optloop to support special initialzation of vector: i.e. shadow VRC of irk*amax
add vvinit in optloop to support special initialzation of vector: i.e. shadow VRC of irk*amax

rakib-hasan/math-atlas,rakib-hasan/math-atlas,rakib-hasan/math-atlas,rakib-hasan/math-atlas,rakib-hasan/math-atlas,rakib-hasan/math-atlas