[common] Fix UE8M0 code 0 (2^-127) and code 255 (NaN) expansion in ptx::exp2f - #3262

[common] Fix UE8M0 code 0 (2^-127) and code 255 (NaN) expansion in ptx::exp2f#3262

ptrendx merged 2 commits into

NVIDIA:mainNVIDIA/TransformerEngine:mainfrom

xiuhu17:fix_e8m0_exp2fxiuhu17/TransformerEngine:fix_e8m0_exp2fCopy head branch name to clipboard