ENH: add nonzero of bools fastpath
ENH: add nonzero of bools fastpath

count_nonzero already has a fastpath but nonzero does not.
Improves performance by about 25% via avoiding a function call.

pdebuyl/numpy,dch312/numpy,Yusa95/numpy,sinhrks/numpy,pizzathief/numpy,madphysicist/numpy,sigma-random/numpy,ddasilva/numpy,mattip/numpy,SiccarPoint/numpy,Linkid/numpy,larsmans/numpy,ChristopherHogan/numpy,MSeifert04/numpy,BMJHayward/numpy,Eric89GXL/numpy,rudimeier/numpy,argriffing/numpy,nbeaver/numpy,githubmlai/numpy,rudimeier/numpy,yiakwy/numpy,nguyentu1602/numpy,numpy/numpy,skwbc/numpy,dato-code/numpy,yiakwy/numpy,ssanderson/numpy,WillieMaddox/numpy,larsmans/numpy,cjermain/numpy,ajdawson/numpy,rmcgibbo/numpy,Anwesh43/numpy,jankoslavic/numpy,AustereCuriosity/numpy,pizzathief/numpy,rudimeier/numpy,mhvk/numpy,maniteja123/numpy,embray/numpy,SunghanKim/numpy,embray/numpy,mortada/numpy,hainm/numpy,tdsmith/numpy,Srisai85/numpy,njase/numpy,seberg/numpy,jschueller/numpy,mhvk/numpy,KaelChen/numpy,mhvk/numpy,pbrod/numpy,immerrr/numpy,yiakwy/numpy,mindw/numpy,naritta/numpy,bmorris3/numpy,ekalosak/numpy,chiffa/numpy,bertrand-l/numpy,Srisai85/numpy,rhythmsosad/numpy,endolith/numpy,MaPePeR/numpy,abalkin/numpy,SiccarPoint/numpy,rajathkumarmp/numpy,madphysicist/numpy,SunghanKim/numpy,hainm/numpy,grlee77/numpy,b-carter/numpy,andsor/numpy,gfyoung/numpy,chatcannon/numpy,trankmichael/numpy,bringingheavendown/numpy,dwillmer/numpy,mingwpy/numpy,MichaelAquilina/numpy,embray/numpy,Dapid/numpy,SunghanKim/numpy,sinhrks/numpy,ogrisel/numpy,ogrisel/numpy,Eric89GXL/numpy,nbeaver/numpy,jakirkham/numpy,ogrisel/numpy,mwiebe/numpy,ViralLeadership/numpy,brandon-rhodes/numpy,githubmlai/numpy,SiccarPoint/numpy,CMartelLML/numpy,empeeu/numpy,has2k1/numpy,GrimDerp/numpy,SiccarPoint/numpy,tdsmith/numpy,madphysicist/numpy,joferkington/numpy,rhythmsosad/numpy,pyparallel/numpy,ESSS/numpy,cowlicks/numpy,jorisvandenbossche/numpy,dimasad/numpy,dwillmer/numpy,immerrr/numpy,rajathkumarmp/numpy,ContinuumIO/numpy,shoyer/numpy,ahaldane/numpy,jankoslavic/numpy,mattip/numpy,sonnyhu/numpy,KaelChen/numpy,andsor/numpy,stuarteberg/numpy,jonathanunderwood/numpy,kirillzhuravlev/numpy,AustereCuriosity/numpy,rhythmsosad/numpy,bringingheavendown/numpy,anntzer/numpy,musically-ut/numpy,bertrand-l/numpy,ChristopherHogan/numpy,tynn/numpy,rgommers/numpy,mhvk/numpy,brandon-rhodes/numpy,andsor/numpy,rudimeier/numpy,andsor/numpy,kiwifb/numpy,leifdenby/numpy,MichaelAquilina/numpy,nguyentu1602/numpy,cowlicks/numpy,WarrenWeckesser/numpy,sinhrks/numpy,NextThought/pypy-numpy,tacaswell/numpy,drasmuss/numpy,shoyer/numpy,ahaldane/numpy,rgommers/numpy,stuarteberg/numpy,pbrod/numpy,dwillmer/numpy,kiwifb/numpy,kirillzhuravlev/numpy,larsmans/numpy,shoyer/numpy,argriffing/numpy,brandon-rhodes/numpy,chiffa/numpy,shoyer/numpy,GaZ3ll3/numpy,mathdd/numpy,mwiebe/numpy,tdsmith/numpy,dch312/numpy,dimasad/numpy,numpy/numpy,ChristopherHogan/numpy,joferkington/numpy,rmcgibbo/numpy,grlee77/numpy,brandon-rhodes/numpy,njase/numpy,nbeaver/numpy,BabeNovelty/numpy,BMJHayward/numpy,NextThought/pypy-numpy,githubmlai/numpy,grlee77/numpy,pbrod/numpy,solarjoe/numpy,anntzer/numpy,mattip/numpy,mortada/numpy,WarrenWeckesser/numpy,bmorris3/numpy,maniteja123/numpy,GrimDerp/numpy,utke1/numpy,Linkid/numpy,ekalosak/numpy,Eric89GXL/numpy,larsmans/numpy,MaPePeR/numpy,felipebetancur/numpy,rherault-insa/numpy,ahaldane/numpy,jschueller/numpy,immerrr/numpy,solarjoe/numpy,bmorris3/numpy,pdebuyl/numpy,joferkington/numpy,ESSS/numpy,SunghanKim/numpy,GrimDerp/numpy,rajathkumarmp/numpy,dch312/numpy,maniteja123/numpy,rherault-insa/numpy,ChanderG/numpy,bringingheavendown/numpy,pdebuyl/numpy,rherault-insa/numpy,felipebetancur/numpy,MSeifert04/numpy,kirillzhuravlev/numpy,ogrisel/numpy,moreati/numpy,b-carter/numpy,numpy/numpy,Yusa95/numpy,pyparallel/numpy,cjermain/numpy,musically-ut/numpy,dch312/numpy,drasmuss/numpy,empeeu/numpy,argriffing/numpy,ChristopherHogan/numpy,dimasad/numpy,jonathanunderwood/numpy,jorisvandenbossche/numpy,trankmichael/numpy,ekalosak/numpy,seberg/numpy,sinhrks/numpy,MichaelAquilina/numpy,charris/numpy,mindw/numpy,trankmichael/numpy,endolith/numpy,mortada/numpy,immerrr/numpy,mathdd/numpy,cjermain/numpy,rgommers/numpy,grlee77/numpy,tynn/numpy,charris/numpy,MaPePeR/numpy,mattip/numpy,rmcgibbo/numpy,Yusa95/numpy,has2k1/numpy,skymanaditya1/numpy,chatcannon/numpy,jakirkham/numpy,sonnyhu/numpy,tynn/numpy,stuarteberg/numpy,seberg/numpy,ahaldane/numpy,solarjoe/numpy,ajdawson/numpy,endolith/numpy,empeeu/numpy,jankoslavic/numpy,jorisvandenbossche/numpy,seberg/numpy,ChanderG/numpy,mindw/numpy,cjermain/numpy,CMartelLML/numpy,KaelChen/numpy,CMartelLML/numpy,charris/numpy,dato-code/numpy,simongibbons/numpy,charris/numpy,rgommers/numpy,embray/numpy,tacaswell/numpy,KaelChen/numpy,behzadnouri/numpy,rmcgibbo/numpy,ContinuumIO/numpy,gmcastil/numpy,gfyoung/numpy,NextThought/pypy-numpy,njase/numpy,tdsmith/numpy,MichaelAquilina/numpy,kiwifb/numpy,BabeNovelty/numpy,groutr/numpy,chatcannon/numpy,ddasilva/numpy,gfyoung/numpy,naritta/numpy,mathdd/numpy,b-carter/numpy,pbrod/numpy,pizzathief/numpy,sonnyhu/numpy,CMartelLML/numpy,WarrenWeckesser/numpy,jakirkham/numpy,jakirkham/numpy,AustereCuriosity/numpy,empeeu/numpy,tacaswell/numpy,trankmichael/numpy,ViralLeadership/numpy,GaZ3ll3/numpy,MSeifert04/numpy,ViralLeadership/numpy,musically-ut/numpy,jorisvandenbossche/numpy,mhvk/numpy,groutr/numpy,mingwpy/numpy,NextThought/pypy-numpy,WarrenWeckesser/numpy,numpy/numpy,jorisvandenbossche/numpy,jschueller/numpy,mingwpy/numpy,simongibbons/numpy,endolith/numpy,GaZ3ll3/numpy,ajdawson/numpy,sonnyhu/numpy,BabeNovelty/numpy,ajdawson/numpy,madphysicist/numpy,moreati/numpy,Eric89GXL/numpy,behzadnouri/numpy,pizzathief/numpy,mwiebe/numpy,skwbc/numpy,pdebuyl/numpy,WillieMaddox/numpy,ChanderG/numpy,Anwesh43/numpy,has2k1/numpy,skymanaditya1/numpy,gmcastil/numpy,joferkington/numpy,leifdenby/numpy,naritta/numpy,anntzer/numpy,dato-code/numpy,BabeNovelty/numpy,dwillmer/numpy,skymanaditya1/numpy,mortada/numpy,musically-ut/numpy,GaZ3ll3/numpy,felipebetancur/numpy,utke1/numpy,Anwesh43/numpy,skwbc/numpy,yiakwy/numpy,shoyer/numpy,hainm/numpy,skymanaditya1/numpy,ContinuumIO/numpy,pbrod/numpy,mindw/numpy,ssanderson/numpy,abalkin/numpy,nguyentu1602/numpy,moreati/numpy,dimasad/numpy,behzadnouri/numpy,sigma-random/numpy,WarrenWeckesser/numpy,ESSS/numpy,mathdd/numpy,Linkid/numpy,grlee77/numpy,GrimDerp/numpy,MSeifert04/numpy,jakirkham/numpy,jschueller/numpy,simongibbons/numpy,ssanderson/numpy,stuarteberg/numpy,cowlicks/numpy,Anwesh43/numpy,has2k1/numpy,nguyentu1602/numpy,bertrand-l/numpy,Srisai85/numpy,MSeifert04/numpy,rhythmsosad/numpy,kirillzhuravlev/numpy,gmcastil/numpy,ChanderG/numpy,simongibbons/numpy,drasmuss/numpy,ekalosak/numpy,anntzer/numpy,dato-code/numpy,mingwpy/numpy,githubmlai/numpy,ahaldane/numpy,groutr/numpy,jonathanunderwood/numpy,Yusa95/numpy,BMJHayward/numpy,abalkin/numpy,jankoslavic/numpy,chiffa/numpy,hainm/numpy,simongibbons/numpy,pyparallel/numpy,sigma-random/numpy,bmorris3/numpy,leifdenby/numpy,naritta/numpy,MaPePeR/numpy,pizzathief/numpy,BMJHayward/numpy,utke1/numpy,madphysicist/numpy,ogrisel/numpy,Srisai85/numpy,Linkid/numpy,felipebetancur/numpy,ddasilva/numpy,WillieMaddox/numpy,rajathkumarmp/numpy,Dapid/numpy,cowlicks/numpy,embray/numpy,Dapid/numpy,sigma-random/numpy