added docstring to diagflat.
added docstring to diagflat.

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