MAINT: Simplified mtrand.pyx helpers
MAINT: Simplified mtrand.pyx helpers

Refactored methods that broadcast arguments
together by finding additional common ground
between code in the if...else branches that
involved a size parameter being passed in.

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