ENH: use copy to move the masked values into the result
ENH: use copy to move the masked values into the result

saves a relatively expensive bool -> x cast

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