Make sure that Float substitution works again:
Make sure that Float substitution works again:

>>> (x + 3.0).subs(x + 3.0, a)
a
>>> (x + y + 3.0).subs(x + 3.0, a)
a + y

But still no Float arithmetic is done:

>>> (x + 3.0).subs(x + 2.0, a)
x + 3.0
>>> (x + y + 3.0).subs(x + 2.0, a)
x + y + 3.0

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