TST: fix issue with stats.invgamma.sf/isf roundtrip on 32-bit systems.
TST: fix issue with stats.invgamma.sf/isf roundtrip on 32-bit systems.

Change in gh-6258 to _sf and _isf implementation still an improvement,
just not as much as on 64-bit systems.

jakevdp/scipy,person142/scipy,rgommers/scipy,matthewalbani/scipy,jamestwebber/scipy,befelix/scipy,person142/scipy,arokem/scipy,perimosocordiae/scipy,josephcslater/scipy,nonhermitian/scipy,kleskjr/scipy,matthewalbani/scipy,anielsen001/scipy,gfyoung/scipy,surhudm/scipy,endolith/scipy,kalvdans/scipy,argriffing/scipy,mdhaber/scipy,mikebenfield/scipy,mdhaber/scipy,sriki18/scipy,pschella/scipy,gfyoung/scipy,surhudm/scipy,woodscn/scipy,kleskjr/scipy,sriki18/scipy,nmayorov/scipy,kalvdans/scipy,lhilt/scipy,kleskjr/scipy,Newman101/scipy,perimosocordiae/scipy,haudren/scipy,gfyoung/scipy,ilayn/scipy,grlee77/scipy,ilayn/scipy,Stefan-Endres/scipy,nonhermitian/scipy,sriki18/scipy,argriffing/scipy,scipy/scipy,pyramania/scipy,Newman101/scipy,Stefan-Endres/scipy,maniteja123/scipy,pschella/scipy,endolith/scipy,nonhermitian/scipy,matthew-brett/scipy,Newman101/scipy,jor-/scipy,jor-/scipy,perimosocordiae/scipy,haudren/scipy,gertingold/scipy,vigna/scipy,ilayn/scipy,tylerjereddy/scipy,anielsen001/scipy,bkendzior/scipy,aeklant/scipy,jor-/scipy,haudren/scipy,pschella/scipy,pizzathief/scipy,e-q/scipy,zerothi/scipy,josephcslater/scipy,Eric89GXL/scipy,surhudm/scipy,aeklant/scipy,pyramania/scipy,rgommers/scipy,anielsen001/scipy,kleskjr/scipy,kleskjr/scipy,befelix/scipy,sriki18/scipy,grlee77/scipy,person142/scipy,grlee77/scipy,jamestwebber/scipy,nmayorov/scipy,lhilt/scipy,arokem/scipy,woodscn/scipy,gdooper/scipy,nmayorov/scipy,Newman101/scipy,dominicelse/scipy,rgommers/scipy,maniteja123/scipy,perimosocordiae/scipy,bkendzior/scipy,gfyoung/scipy,haudren/scipy,jjhelmus/scipy,argriffing/scipy,zerothi/scipy,rgommers/scipy,matthew-brett/scipy,matthewalbani/scipy,arokem/scipy,pyramania/scipy,anntzer/scipy,arokem/scipy,lhilt/scipy,josephcslater/scipy,ilayn/scipy,e-q/scipy,jakevdp/scipy,apbard/scipy,jor-/scipy,anntzer/scipy,aeklant/scipy,woodscn/scipy,sriki18/scipy,apbard/scipy,woodscn/scipy,pbrod/scipy,anielsen001/scipy,argriffing/scipy,bkendzior/scipy,zerothi/scipy,pizzathief/scipy,tylerjereddy/scipy,nmayorov/scipy,arokem/scipy,zerothi/scipy,vigna/scipy,mdhaber/scipy,jakevdp/scipy,e-q/scipy,bkendzior/scipy,pschella/scipy,bkendzior/scipy,surhudm/scipy,jjhelmus/scipy,befelix/scipy,scipy/scipy,aeklant/scipy,jjhelmus/scipy,Eric89GXL/scipy,gdooper/scipy,Newman101/scipy,jamestwebber/scipy,surhudm/scipy,mdhaber/scipy,mikebenfield/scipy,behzadnouri/scipy,WarrenWeckesser/scipy,kalvdans/scipy,surhudm/scipy,Stefan-Endres/scipy,behzadnouri/scipy,endolith/scipy,gdooper/scipy,jamestwebber/scipy,person142/scipy,scipy/scipy,anntzer/scipy,Eric89GXL/scipy,anielsen001/scipy,kalvdans/scipy,andyfaff/scipy,mikebenfield/scipy,apbard/scipy,anntzer/scipy,lhilt/scipy,maniteja123/scipy,dominicelse/scipy,Stefan-Endres/scipy,matthewalbani/scipy,WarrenWeckesser/scipy,befelix/scipy,Stefan-Endres/scipy,person142/scipy,scipy/scipy,andyfaff/scipy,maniteja123/scipy,pbrod/scipy,jor-/scipy,dominicelse/scipy,aarchiba/scipy,dominicelse/scipy,pyramania/scipy,anielsen001/scipy,mikebenfield/scipy,Stefan-Endres/scipy,gertingold/scipy,pizzathief/scipy,e-q/scipy,Eric89GXL/scipy,kleskjr/scipy,mdhaber/scipy,jakevdp/scipy,aarchiba/scipy,jjhelmus/scipy,behzadnouri/scipy,aarchiba/scipy,anntzer/scipy,matthewalbani/scipy,anntzer/scipy,haudren/scipy,behzadnouri/scipy,gertingold/scipy,vigna/scipy,pbrod/scipy,jjhelmus/scipy,gdooper/scipy,Eric89GXL/scipy,grlee77/scipy,Eric89GXL/scipy,scipy/scipy,tylerjereddy/scipy,pbrod/scipy,scipy/scipy,grlee77/scipy,andyfaff/scipy,apbard/scipy,andyfaff/scipy,WarrenWeckesser/scipy,josephcslater/scipy,argriffing/scipy,woodscn/scipy,josephcslater/scipy,kalvdans/scipy,matthew-brett/scipy,mdhaber/scipy,maniteja123/scipy,matthew-brett/scipy,zerothi/scipy,WarrenWeckesser/scipy,nonhermitian/scipy,rgommers/scipy,pbrod/scipy,andyfaff/scipy,dominicelse/scipy,endolith/scipy,perimosocordiae/scipy,gertingold/scipy,Newman101/scipy,vigna/scipy,apbard/scipy,maniteja123/scipy,WarrenWeckesser/scipy,pschella/scipy,WarrenWeckesser/scipy,jakevdp/scipy,behzadnouri/scipy,matthew-brett/scipy,lhilt/scipy,nmayorov/scipy,e-q/scipy,befelix/scipy,tylerjereddy/scipy,haudren/scipy,gfyoung/scipy,woodscn/scipy,gertingold/scipy,zerothi/scipy,jamestwebber/scipy,mikebenfield/scipy,tylerjereddy/scipy,aarchiba/scipy,argriffing/scipy,sriki18/scipy,aeklant/scipy,vigna/scipy,ilayn/scipy,pizzathief/scipy,perimosocordiae/scipy,ilayn/scipy,nonhermitian/scipy,behzadnouri/scipy,pizzathief/scipy,pyramania/scipy,gdooper/scipy,andyfaff/scipy,endolith/scipy,pbrod/scipy,aarchiba/scipy,endolith/scipy