for TARGET_NEC_SX code only: move multiplication with scalar tmpFac and arrDr out of loops and apply after summation, etc. to reduce number of multiplications
for TARGET_NEC_SX code only: move multiplication with scalar tmpFac
and arrDr out of loops and apply after summation, etc. to reduce
number of multiplications

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h