Cleanup math.functions and remove >r r> usages
Cleanup math.functions and remove >r r> usages

bjourne/factor,dch/factor,bpollack/factor,ceninan/factor,nicolas-p/factor,cataska/factor,bjourne/factor,sarvex/factor-lang,ceninan/factor,bpollack/factor,mcandre/factor,slavapestov/factor,cataska/factor,AlexIljin/factor,dch/factor,nicolas-p/factor,dch/factor,nicolas-p/factor,AlexIljin/factor,ceninan/factor,seckar/factor,mcandre/factor,slavapestov/factor,mcandre/factor,jwmerrill/factor,littledan/Factor,dch/factor,erg/factor,mrjbq7/factor,cataska/factor,Keyholder/factor,dharmatech/factor,mrjbq7/factor,ehird/factor,mrjbq7/factor,dch/factor,nicolas-p/factor,slavapestov/factor,bpollack/factor,littledan/Factor,nicolas-p/factor,erg/factor,bjourne/factor,slavapestov/factor,sarvex/factor-lang,bjourne/factor,factor/factor,kingcons/factor,ehird/factor,tgunr/factor,factor/factor,erg/factor,littledan/Factor,sarvex/factor-lang,factor/factor,seckar/factor,nicolas-p/factor,bjourne/factor,dch/factor,mcandre/factor,mcandre/factor,bjourne/factor,erg/factor,factor/factor,ehird/factor,Keyholder/factor,sarvex/factor-lang,bpollack/factor,AlexIljin/factor,slavapestov/factor,erg/factor,slavapestov/factor,tgunr/factor,sarvex/factor-lang,jwmerrill/factor,AlexIljin/factor,jwmerrill/factor,bjourne/factor,tgunr/factor,bpollack/factor,littledan/Factor,factor/factor,mrjbq7/factor,factor/factor,ceninan/factor,Keyholder/factor,nicolas-p/factor,erg/factor,kingcons/factor,dharmatech/factor,tgunr/factor,mcandre/factor,mcandre/factor,kingcons/factor,mrjbq7/factor,bpollack/factor,sarvex/factor-lang,kingcons/factor,tgunr/factor,AlexIljin/factor,cataska/factor,bpollack/factor,seckar/factor,AlexIljin/factor,erg/factor,dharmatech/factor,mrjbq7/factor,sarvex/factor-lang,slavapestov/factor,AlexIljin/factor,tgunr/factor