STY: interpolate/polyint: make the code a bit more readable
STY: interpolate/polyint: make the code a bit more readable

e-q/scipy,zaxliu/scipy,matthewalbani/scipy,zerothi/scipy,raoulbq/scipy,mingwpy/scipy,WillieMaddox/scipy,sauliusl/scipy,ortylp/scipy,josephcslater/scipy,maciejkula/scipy,scipy/scipy,niknow/scipy,Stefan-Endres/scipy,mortonjt/scipy,nvoron23/scipy,lhilt/scipy,mdhaber/scipy,newemailjdm/scipy,kleskjr/scipy,maniteja123/scipy,endolith/scipy,zxsted/scipy,trankmichael/scipy,aman-iitj/scipy,vberaudi/scipy,gfyoung/scipy,fernand/scipy,pyramania/scipy,kalvdans/scipy,grlee77/scipy,WillieMaddox/scipy,Shaswat27/scipy,pizzathief/scipy,felipebetancur/scipy,aarchiba/scipy,larsmans/scipy,mgaitan/scipy,anntzer/scipy,ilayn/scipy,larsmans/scipy,maniteja123/scipy,ales-erjavec/scipy,andim/scipy,minhlongdo/scipy,befelix/scipy,maciejkula/scipy,scipy/scipy,petebachant/scipy,mdhaber/scipy,maniteja123/scipy,jakevdp/scipy,Eric89GXL/scipy,piyush0609/scipy,WarrenWeckesser/scipy,FRidh/scipy,ales-erjavec/scipy,richardotis/scipy,anielsen001/scipy,Srisai85/scipy,Newman101/scipy,Dapid/scipy,cpaulik/scipy,fredrikw/scipy,vanpact/scipy,matthew-brett/scipy,zaxliu/scipy,dominicelse/scipy,efiring/scipy,mikebenfield/scipy,efiring/scipy,haudren/scipy,mtrbean/scipy,person142/scipy,surhudm/scipy,juliantaylor/scipy,pizzathief/scipy,josephcslater/scipy,sonnyhu/scipy,mgaitan/scipy,nonhermitian/scipy,Newman101/scipy,gfyoung/scipy,matthew-brett/scipy,pschella/scipy,jseabold/scipy,anielsen001/scipy,cpaulik/scipy,Kamp9/scipy,mortada/scipy,ChanderG/scipy,jakevdp/scipy,piyush0609/scipy,vanpact/scipy,grlee77/scipy,sauliusl/scipy,FRidh/scipy,hainm/scipy,matthewalbani/scipy,Stefan-Endres/scipy,fredrikw/scipy,kalvdans/scipy,ndchorley/scipy,endolith/scipy,jjhelmus/scipy,pyramania/scipy,cpaulik/scipy,Srisai85/scipy,jjhelmus/scipy,anntzer/scipy,zaxliu/scipy,pnedunuri/scipy,giorgiop/scipy,e-q/scipy,arokem/scipy,vigna/scipy,Kamp9/scipy,Eric89GXL/scipy,rmcgibbo/scipy,vberaudi/scipy,jamestwebber/scipy,jjhelmus/scipy,perimosocordiae/scipy,niknow/scipy,jonycgn/scipy,rmcgibbo/scipy,vberaudi/scipy,piyush0609/scipy,matthew-brett/scipy,futurulus/scipy,witcxc/scipy,WillieMaddox/scipy,nonhermitian/scipy,maniteja123/scipy,josephcslater/scipy,lhilt/scipy,nmayorov/scipy,gertingold/scipy,felipebetancur/scipy,e-q/scipy,petebachant/scipy,vhaasteren/scipy,mikebenfield/scipy,chatcannon/scipy,lukauskas/scipy,jamestwebber/scipy,anntzer/scipy,sriki18/scipy,kleskjr/scipy,ales-erjavec/scipy,WarrenWeckesser/scipy,mhogg/scipy,mtrbean/scipy,juliantaylor/scipy,gertingold/scipy,apbard/scipy,raoulbq/scipy,WarrenWeckesser/scipy,rgommers/scipy,WarrenWeckesser/scipy,larsmans/scipy,anntzer/scipy,argriffing/scipy,zerothi/scipy,pyramania/scipy,ChanderG/scipy,aman-iitj/scipy,Dapid/scipy,person142/scipy,futurulus/scipy,larsmans/scipy,piyush0609/scipy,lukauskas/scipy,Newman101/scipy,raoulbq/scipy,maciejkula/scipy,njwilson23/scipy,aman-iitj/scipy,vanpact/scipy,scipy/scipy,minhlongdo/scipy,gdooper/scipy,pbrod/scipy,jonycgn/scipy,surhudm/scipy,efiring/scipy,dominicelse/scipy,gfyoung/scipy,nvoron23/scipy,behzadnouri/scipy,kleskjr/scipy,Stefan-Endres/scipy,minhlongdo/scipy,jseabold/scipy,lukauskas/scipy,richardotis/scipy,aman-iitj/scipy,kalvdans/scipy,trankmichael/scipy,mikebenfield/scipy,jamestwebber/scipy,endolith/scipy,ortylp/scipy,rgommers/scipy,dch312/scipy,kleskjr/scipy,ales-erjavec/scipy,juliantaylor/scipy,mtrbean/scipy,hainm/scipy,fernand/scipy,anntzer/scipy,sauliusl/scipy,andyfaff/scipy,newemailjdm/scipy,FRidh/scipy,Kamp9/scipy,ChanderG/scipy,njwilson23/scipy,ilayn/scipy,jonycgn/scipy,surhudm/scipy,gfyoung/scipy,witcxc/scipy,haudren/scipy,grlee77/scipy,Kamp9/scipy,argriffing/scipy,mtrbean/scipy,FRidh/scipy,sargas/scipy,pyramania/scipy,pnedunuri/scipy,maniteja123/scipy,njwilson23/scipy,chatcannon/scipy,bkendzior/scipy,Eric89GXL/scipy,chatcannon/scipy,ogrisel/scipy,ilayn/scipy,sauliusl/scipy,pizzathief/scipy,pnedunuri/scipy,jonycgn/scipy,endolith/scipy,felipebetancur/scipy,jamestwebber/scipy,ndchorley/scipy,mortonjt/scipy,behzadnouri/scipy,ortylp/scipy,Newman101/scipy,sargas/scipy,gertingold/scipy,argriffing/scipy,Stefan-Endres/scipy,ChanderG/scipy,ilayn/scipy,pizzathief/scipy,zxsted/scipy,mhogg/scipy,vhaasteren/scipy,raoulbq/scipy,nonhermitian/scipy,newemailjdm/scipy,vigna/scipy,tylerjereddy/scipy,ortylp/scipy,sriki18/scipy,josephcslater/scipy,Gillu13/scipy,witcxc/scipy,sonnyhu/scipy,hainm/scipy,larsmans/scipy,ChanderG/scipy,pizzathief/scipy,befelix/scipy,Shaswat27/scipy,vigna/scipy,arokem/scipy,rgommers/scipy,kleskjr/scipy,giorgiop/scipy,mortada/scipy,Eric89GXL/scipy,surhudm/scipy,giorgiop/scipy,mhogg/scipy,josephcslater/scipy,mhogg/scipy,ilayn/scipy,futurulus/scipy,mortonjt/scipy,jakevdp/scipy,richardotis/scipy,giorgiop/scipy,ndchorley/scipy,sargas/scipy,petebachant/scipy,gef756/scipy,mingwpy/scipy,jseabold/scipy,aeklant/scipy,gertingold/scipy,mdhaber/scipy,nvoron23/scipy,trankmichael/scipy,dch312/scipy,petebachant/scipy,mortonjt/scipy,matthewalbani/scipy,zxsted/scipy,lhilt/scipy,mortada/scipy,fredrikw/scipy,perimosocordiae/scipy,vigna/scipy,ogrisel/scipy,vberaudi/scipy,maniteja123/scipy,niknow/scipy,kalvdans/scipy,endolith/scipy,mortonjt/scipy,pschella/scipy,niknow/scipy,bkendzior/scipy,Dapid/scipy,mdhaber/scipy,jsilter/scipy,jor-/scipy,pschella/scipy,aman-iitj/scipy,futurulus/scipy,mdhaber/scipy,ndchorley/scipy,andyfaff/scipy,sriki18/scipy,befelix/scipy,hainm/scipy,ChanderG/scipy,mdhaber/scipy,lukauskas/scipy,rmcgibbo/scipy,dominicelse/scipy,jor-/scipy,vanpact/scipy,zerothi/scipy,woodscn/scipy,mhogg/scipy,chatcannon/scipy,richardotis/scipy,rmcgibbo/scipy,behzadnouri/scipy,andyfaff/scipy,anielsen001/scipy,WillieMaddox/scipy,efiring/scipy,tylerjereddy/scipy,newemailjdm/scipy,mingwpy/scipy,njwilson23/scipy,felipebetancur/scipy,piyush0609/scipy,minhlongdo/scipy,Gillu13/scipy,mgaitan/scipy,sargas/scipy,apbard/scipy,aeklant/scipy,WarrenWeckesser/scipy,mortada/scipy,perimosocordiae/scipy,mgaitan/scipy,jjhelmus/scipy,jsilter/scipy,haudren/scipy,ilayn/scipy,Gillu13/scipy,trankmichael/scipy,Srisai85/scipy,rgommers/scipy,behzadnouri/scipy,zaxliu/scipy,apbard/scipy,gef756/scipy,tylerjereddy/scipy,cpaulik/scipy,maciejkula/scipy,woodscn/scipy,Srisai85/scipy,apbard/scipy,minhlongdo/scipy,Newman101/scipy,vigna/scipy,vanpact/scipy,minhlongdo/scipy,maciejkula/scipy,bkendzior/scipy,tylerjereddy/scipy,Stefan-Endres/scipy,andyfaff/scipy,jsilter/scipy,hainm/scipy,nvoron23/scipy,felipebetancur/scipy,gdooper/scipy,sonnyhu/scipy,andyfaff/scipy,ogrisel/scipy,zxsted/scipy,efiring/scipy,andim/scipy,pnedunuri/scipy,mingwpy/scipy,jakevdp/scipy,nonhermitian/scipy,pbrod/scipy,sriki18/scipy,jor-/scipy,fredrikw/scipy,bkendzior/scipy,dch312/scipy,Shaswat27/scipy,jsilter/scipy,fernand/scipy,chatcannon/scipy,matthewalbani/scipy,mingwpy/scipy,Gillu13/scipy,aarchiba/scipy,perimosocordiae/scipy,gef756/scipy,jakevdp/scipy,aarchiba/scipy,zaxliu/scipy,scipy/scipy,ogrisel/scipy,zxsted/scipy,mtrbean/scipy,Shaswat27/scipy,niknow/scipy,nonhermitian/scipy,mortada/scipy,gef756/scipy,arokem/scipy,WarrenWeckesser/scipy,andyfaff/scipy,andim/scipy,pbrod/scipy,rmcgibbo/scipy,grlee77/scipy,vhaasteren/scipy,woodscn/scipy,jsilter/scipy,pyramania/scipy,person142/scipy,njwilson23/scipy,vhaasteren/scipy,WillieMaddox/scipy,tylerjereddy/scipy,Dapid/scipy,vhaasteren/scipy,gef756/scipy,Kamp9/scipy,trankmichael/scipy,Dapid/scipy,sauliusl/scipy,lukauskas/scipy,sonnyhu/scipy,ales-erjavec/scipy,nvoron23/scipy,andim/scipy,fredrikw/scipy,vberaudi/scipy,argriffing/scipy,pschella/scipy,jjhelmus/scipy,hainm/scipy,woodscn/scipy,andim/scipy,sriki18/scipy,Srisai85/scipy,fernand/scipy,pbrod/scipy,Dapid/scipy,person142/scipy,Eric89GXL/scipy,raoulbq/scipy,mikebenfield/scipy,ales-erjavec/scipy,petebachant/scipy,FRidh/scipy,WillieMaddox/scipy,dch312/scipy,endolith/scipy,lhilt/scipy,Shaswat27/scipy,ortylp/scipy,scipy/scipy,scipy/scipy,mortonjt/scipy,giorgiop/scipy,befelix/scipy,Eric89GXL/scipy,nmayorov/scipy,woodscn/scipy,gertingold/scipy,aeklant/scipy,behzadnouri/scipy,witcxc/scipy,vberaudi/scipy,rmcgibbo/scipy,Kamp9/scipy,perimosocordiae/scipy,sonnyhu/scipy,nmayorov/scipy,felipebetancur/scipy,perimosocordiae/scipy,kleskjr/scipy,jamestwebber/scipy,jseabold/scipy,mingwpy/scipy,trankmichael/scipy,newemailjdm/scipy,raoulbq/scipy,apbard/scipy,fernand/scipy,aeklant/scipy,ndchorley/scipy,Stefan-Endres/scipy,dch312/scipy,argriffing/scipy,mtrbean/scipy,pnedunuri/scipy,anntzer/scipy,mgaitan/scipy,kalvdans/scipy,haudren/scipy,haudren/scipy,futurulus/scipy,sauliusl/scipy,fredrikw/scipy,nmayorov/scipy,njwilson23/scipy,person142/scipy,aman-iitj/scipy,gdooper/scipy,cpaulik/scipy,rgommers/scipy,richardotis/scipy,dominicelse/scipy,pbrod/scipy,vanpact/scipy,Shaswat27/scipy,mgaitan/scipy,piyush0609/scipy,andim/scipy,gfyoung/scipy,jor-/scipy,zxsted/scipy,futurulus/scipy,fernand/scipy,vhaasteren/scipy,zerothi/scipy,matthew-brett/scipy,zerothi/scipy,larsmans/scipy,mikebenfield/scipy,sargas/scipy,e-q/scipy,petebachant/scipy,grlee77/scipy,sonnyhu/scipy,argriffing/scipy,mhogg/scipy,anielsen001/scipy,woodscn/scipy,haudren/scipy,surhudm/scipy,sriki18/scipy,gdooper/scipy,jonycgn/scipy,pnedunuri/scipy,niknow/scipy,pschella/scipy,ndchorley/scipy,cpaulik/scipy,anielsen001/scipy,jonycgn/scipy,jor-/scipy,aeklant/scipy,bkendzior/scipy,jseabold/scipy,gdooper/scipy,lukauskas/scipy,gef756/scipy,aarchiba/scipy,juliantaylor/scipy,Gillu13/scipy,richardotis/scipy,arokem/scipy,lhilt/scipy,nvoron23/scipy,zaxliu/scipy,dominicelse/scipy,behzadnouri/scipy,mortada/scipy,aarchiba/scipy,zerothi/scipy,befelix/scipy,chatcannon/scipy,matthewalbani/scipy,witcxc/scipy,Srisai85/scipy,arokem/scipy,nmayorov/scipy,matthew-brett/scipy,Gillu13/scipy,juliantaylor/scipy,efiring/scipy,pbrod/scipy,ogrisel/scipy,surhudm/scipy,giorgiop/scipy,newemailjdm/scipy,anielsen001/scipy,e-q/scipy,FRidh/scipy,jseabold/scipy,ortylp/scipy,Newman101/scipy