BUG: special: fix mathieu* return values in undefined cases
BUG: special: fix mathieu* return values in undefined cases

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