fix bug in simplify: convertig 0.0 to rational
fix bug in simplify: convertig 0.0 to rational

Gadal/sympy,emon10005/sympy,saurabhjn76/sympy,abloomston/sympy,sahmed95/sympy,AkademieOlympia/sympy,oliverlee/sympy,sunny94/temp,MechCoder/sympy,wanglongqi/sympy,souravsingh/sympy,sahilshekhawat/sympy,farhaanbukhsh/sympy,chaffra/sympy,wyom/sympy,sampadsaha5/sympy,skidzo/sympy,abloomston/sympy,asm666/sympy,kumarkrishna/sympy,debugger22/sympy,sahilshekhawat/sympy,Sumith1896/sympy,Designist/sympy,moble/sympy,postvakje/sympy,mcdaniel67/sympy,Arafatk/sympy,asm666/sympy,cswiercz/sympy,dqnykamp/sympy,bukzor/sympy,Shaswat27/sympy,kaichogami/sympy,chaffra/sympy,atreyv/sympy,kumarkrishna/sympy,atsao72/sympy,hrashk/sympy,meghana1995/sympy,sahilshekhawat/sympy,kumarkrishna/sympy,sahmed95/sympy,drufat/sympy,Mitchkoens/sympy,maniteja123/sympy,abhiii5459/sympy,Arafatk/sympy,iamutkarshtiwari/sympy,lidavidm/sympy,debugger22/sympy,shipci/sympy,ChristinaZografou/sympy,chaffra/sympy,saurabhjn76/sympy,VaibhavAgarwalVA/sympy,Curious72/sympy,yashsharan/sympy,dqnykamp/sympy,oliverlee/sympy,amitjamadagni/sympy,Curious72/sympy,AunShiLord/sympy,vipulroxx/sympy,shikil/sympy,kevalds51/sympy,iamutkarshtiwari/sympy,drufat/sympy,shikil/sympy,MridulS/sympy,grevutiu-gabriel/sympy,MechCoder/sympy,madan96/sympy,pbrady/sympy,Titan-C/sympy,jaimahajan1997/sympy,lindsayad/sympy,Shaswat27/sympy,hargup/sympy,atreyv/sympy,jbbskinny/sympy,garvitr/sympy,kaichogami/sympy,shipci/sympy,liangjiaxing/sympy,VaibhavAgarwalVA/sympy,skidzo/sympy,kaushik94/sympy,mafiya69/sympy,dqnykamp/sympy,Sumith1896/sympy,rahuldan/sympy,sunny94/temp,kaushik94/sympy,Davidjohnwilson/sympy,Sumith1896/sympy,jbbskinny/sympy,cccfran/sympy,toolforger/sympy,wanglongqi/sympy,beni55/sympy,farhaanbukhsh/sympy,lindsayad/sympy,vipulroxx/sympy,grevutiu-gabriel/sympy,Designist/sympy,ahhda/sympy,garvitr/sympy,lidavidm/sympy,souravsingh/sympy,skirpichev/omg,hrashk/sympy,jbbskinny/sympy,kevalds51/sympy,Vishluck/sympy,shikil/sympy,diofant/diofant,moble/sympy,iamutkarshtiwari/sympy,pandeyadarsh/sympy,lindsayad/sympy,vipulroxx/sympy,souravsingh/sympy,Mitchkoens/sympy,ga7g08/sympy,Davidjohnwilson/sympy,Gadal/sympy,pbrady/sympy,postvakje/sympy,kmacinnis/sympy,VaibhavAgarwalVA/sympy,hrashk/sympy,cccfran/sympy,kaichogami/sympy,farhaanbukhsh/sympy,ChristinaZografou/sympy,yukoba/sympy,cswiercz/sympy,jaimahajan1997/sympy,Arafatk/sympy,abhiii5459/sympy,Vishluck/sympy,ga7g08/sympy,ahhda/sympy,abloomston/sympy,mafiya69/sympy,Titan-C/sympy,sahmed95/sympy,moble/sympy,Curious72/sympy,saurabhjn76/sympy,wyom/sympy,emon10005/sympy,skidzo/sympy,beni55/sympy,sampadsaha5/sympy,wyom/sympy,jamesblunt/sympy,jamesblunt/sympy,sampadsaha5/sympy,oliverlee/sympy,ChristinaZografou/sympy,kmacinnis/sympy,MechCoder/sympy,amitjamadagni/sympy,kaushik94/sympy,aktech/sympy,maniteja123/sympy,kevalds51/sympy,emon10005/sympy,meghana1995/sympy,madan96/sympy,Davidjohnwilson/sympy,grevutiu-gabriel/sympy,yashsharan/sympy,atsao72/sympy,mcdaniel67/sympy,wanglongqi/sympy,bukzor/sympy,AkademieOlympia/sympy,liangjiaxing/sympy,Mitchkoens/sympy,toolforger/sympy,drufat/sympy,atreyv/sympy,cswiercz/sympy,pandeyadarsh/sympy,aktech/sympy,ahhda/sympy,MridulS/sympy,pbrady/sympy,cccfran/sympy,sunny94/temp,jamesblunt/sympy,hargup/sympy,ga7g08/sympy,yashsharan/sympy,MridulS/sympy,toolforger/sympy,garvitr/sympy,Designist/sympy,abhiii5459/sympy,jerli/sympy,liangjiaxing/sympy,rahuldan/sympy,madan96/sympy,aktech/sympy,AunShiLord/sympy,lidavidm/sympy,beni55/sympy,yukoba/sympy,Titan-C/sympy,Shaswat27/sympy,mafiya69/sympy,asm666/sympy,rahuldan/sympy,postvakje/sympy,jerli/sympy,pandeyadarsh/sympy,Vishluck/sympy,meghana1995/sympy,hargup/sympy,jaimahajan1997/sympy,shipci/sympy,jerli/sympy,maniteja123/sympy,mcdaniel67/sympy,kmacinnis/sympy,Gadal/sympy,bukzor/sympy,yukoba/sympy,AunShiLord/sympy,atsao72/sympy,debugger22/sympy,AkademieOlympia/sympy