DOC: document behaviour of sign for complex numbers
DOC: document behaviour of sign for complex numbers

Eric89GXL/numpy,gfyoung/numpy,behzadnouri/numpy,endolith/numpy,madphysicist/numpy,tacaswell/numpy,mwiebe/numpy,grlee77/numpy,njase/numpy,ddasilva/numpy,chiffa/numpy,ahaldane/numpy,maniteja123/numpy,pdebuyl/numpy,mhvk/numpy,jakirkham/numpy,stuarteberg/numpy,rgommers/numpy,shoyer/numpy,shoyer/numpy,bringingheavendown/numpy,endolith/numpy,AustereCuriosity/numpy,joferkington/numpy,tacaswell/numpy,stuarteberg/numpy,pdebuyl/numpy,SiccarPoint/numpy,joferkington/numpy,jakirkham/numpy,moreati/numpy,grlee77/numpy,abalkin/numpy,endolith/numpy,pizzathief/numpy,WarrenWeckesser/numpy,gfyoung/numpy,utke1/numpy,seberg/numpy,numpy/numpy,MSeifert04/numpy,ChristopherHogan/numpy,bertrand-l/numpy,leifdenby/numpy,jorisvandenbossche/numpy,Eric89GXL/numpy,jonathanunderwood/numpy,Eric89GXL/numpy,mattip/numpy,endolith/numpy,WillieMaddox/numpy,argriffing/numpy,simongibbons/numpy,WarrenWeckesser/numpy,madphysicist/numpy,solarjoe/numpy,jorisvandenbossche/numpy,stuarteberg/numpy,WarrenWeckesser/numpy,skwbc/numpy,stuarteberg/numpy,ViralLeadership/numpy,mhvk/numpy,ahaldane/numpy,pbrod/numpy,mhvk/numpy,tacaswell/numpy,ssanderson/numpy,skwbc/numpy,bertrand-l/numpy,mwiebe/numpy,jakirkham/numpy,kiwifb/numpy,MSeifert04/numpy,ssanderson/numpy,ahaldane/numpy,MSeifert04/numpy,gmcastil/numpy,abalkin/numpy,drasmuss/numpy,mhvk/numpy,Eric89GXL/numpy,simongibbons/numpy,ahaldane/numpy,pbrod/numpy,ESSS/numpy,madphysicist/numpy,maniteja123/numpy,dwillmer/numpy,rgommers/numpy,skwbc/numpy,bringingheavendown/numpy,MSeifert04/numpy,nbeaver/numpy,maniteja123/numpy,ViralLeadership/numpy,dwillmer/numpy,charris/numpy,pyparallel/numpy,drasmuss/numpy,pizzathief/numpy,rgommers/numpy,shoyer/numpy,anntzer/numpy,mattip/numpy,Dapid/numpy,simongibbons/numpy,nbeaver/numpy,numpy/numpy,argriffing/numpy,drasmuss/numpy,simongibbons/numpy,chatcannon/numpy,madphysicist/numpy,nbeaver/numpy,groutr/numpy,WarrenWeckesser/numpy,simongibbons/numpy,dwillmer/numpy,AustereCuriosity/numpy,b-carter/numpy,njase/numpy,anntzer/numpy,anntzer/numpy,jorisvandenbossche/numpy,SiccarPoint/numpy,WillieMaddox/numpy,ContinuumIO/numpy,mwiebe/numpy,chiffa/numpy,b-carter/numpy,moreati/numpy,ContinuumIO/numpy,pdebuyl/numpy,MSeifert04/numpy,dwillmer/numpy,gmcastil/numpy,ChristopherHogan/numpy,rherault-insa/numpy,seberg/numpy,shoyer/numpy,ahaldane/numpy,groutr/numpy,jorisvandenbossche/numpy,chatcannon/numpy,SiccarPoint/numpy,AustereCuriosity/numpy,jakirkham/numpy,mhvk/numpy,grlee77/numpy,chiffa/numpy,pyparallel/numpy,joferkington/numpy,rherault-insa/numpy,ChristopherHogan/numpy,SiccarPoint/numpy,mattip/numpy,grlee77/numpy,ContinuumIO/numpy,tynn/numpy,pbrod/numpy,madphysicist/numpy,numpy/numpy,charris/numpy,groutr/numpy,charris/numpy,seberg/numpy,ddasilva/numpy,jakirkham/numpy,behzadnouri/numpy,ViralLeadership/numpy,mattip/numpy,tynn/numpy,jonathanunderwood/numpy,moreati/numpy,anntzer/numpy,jonathanunderwood/numpy,WillieMaddox/numpy,gmcastil/numpy,pbrod/numpy,chatcannon/numpy,ESSS/numpy,shoyer/numpy,kiwifb/numpy,behzadnouri/numpy,solarjoe/numpy,pizzathief/numpy,solarjoe/numpy,leifdenby/numpy,tynn/numpy,ssanderson/numpy,rgommers/numpy,pdebuyl/numpy,grlee77/numpy,abalkin/numpy,pyparallel/numpy,Dapid/numpy,pbrod/numpy,WarrenWeckesser/numpy,pizzathief/numpy,b-carter/numpy,gfyoung/numpy,utke1/numpy,Dapid/numpy,jorisvandenbossche/numpy,njase/numpy,rherault-insa/numpy,bertrand-l/numpy,joferkington/numpy,ChristopherHogan/numpy,argriffing/numpy,leifdenby/numpy,pizzathief/numpy,kiwifb/numpy,charris/numpy,ddasilva/numpy,ESSS/numpy,numpy/numpy,utke1/numpy,seberg/numpy,bringingheavendown/numpy