added back arg checks
added back arg checks

LinusU/cutorch,Zhen-hao/cutorch,clementfarabet/cutorch,hughperkins/cutorch,0wu/cutorch,yvan-sraka/cutorch,yvan-sraka/cutorch,Moodstocks/cutorch,fmassa/cutorch,wickedfoo/cutorch,Schakirov/cutorch_my,hughperkins/cutorch,0wu/cutorch,adamlerer/cutorch,luketwitter/cutorch,LinusU/cutorch,soumith/cutorch,Zhen-hao/cutorch,luketwitter/cutorch,adamlerer/cutorch,clementfarabet/cutorch,torch/cutorch,Schakirov/cutorch_my,wickedfoo/cutorch,torch/cutorch,torch/cutorch,Moodstocks/cutorch