envydis: mufu add missing sqrt function
envydis: mufu add missing sqrt function

karolherbst/envytools,karolherbst/envytools,envytools/envytools,karolherbst/envytools,envytools/envytools,envytools/envytools,envytools/envytools,karolherbst/envytools,karolherbst/envytools,envytools/envytools