dctn, idctn:  replace argument 'n' by 'shape' for consistency with fftn and ifftn.
dctn, idctn:  replace argument 'n' by 'shape' for consistency with
fftn and ifftn.

duplicate axes result in an error.

anntzer/scipy,pizzathief/scipy,mdhaber/scipy,Eric89GXL/scipy,rgommers/scipy,grlee77/scipy,person142/scipy,gertingold/scipy,matthew-brett/scipy,gfyoung/scipy,lhilt/scipy,jamestwebber/scipy,endolith/scipy,endolith/scipy,mdhaber/scipy,pizzathief/scipy,Eric89GXL/scipy,matthew-brett/scipy,ilayn/scipy,andyfaff/scipy,vigna/scipy,nmayorov/scipy,jor-/scipy,ilayn/scipy,andyfaff/scipy,zerothi/scipy,mdhaber/scipy,lhilt/scipy,pizzathief/scipy,rgommers/scipy,e-q/scipy,aarchiba/scipy,endolith/scipy,vigna/scipy,pizzathief/scipy,endolith/scipy,andyfaff/scipy,e-q/scipy,scipy/scipy,pizzathief/scipy,aeklant/scipy,tylerjereddy/scipy,anntzer/scipy,grlee77/scipy,ilayn/scipy,mdhaber/scipy,lhilt/scipy,Stefan-Endres/scipy,andyfaff/scipy,anntzer/scipy,nmayorov/scipy,tylerjereddy/scipy,jamestwebber/scipy,perimosocordiae/scipy,aeklant/scipy,ilayn/scipy,scipy/scipy,anntzer/scipy,mdhaber/scipy,WarrenWeckesser/scipy,Eric89GXL/scipy,Stefan-Endres/scipy,grlee77/scipy,aeklant/scipy,zerothi/scipy,grlee77/scipy,Stefan-Endres/scipy,jor-/scipy,aarchiba/scipy,andyfaff/scipy,nmayorov/scipy,person142/scipy,WarrenWeckesser/scipy,jor-/scipy,zerothi/scipy,endolith/scipy,mdhaber/scipy,gfyoung/scipy,scipy/scipy,arokem/scipy,ilayn/scipy,WarrenWeckesser/scipy,anntzer/scipy,Stefan-Endres/scipy,scipy/scipy,gertingold/scipy,WarrenWeckesser/scipy,aarchiba/scipy,Eric89GXL/scipy,matthew-brett/scipy,zerothi/scipy,vigna/scipy,vigna/scipy,ilayn/scipy,perimosocordiae/scipy,scipy/scipy,aeklant/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,aarchiba/scipy,person142/scipy,gertingold/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,vigna/scipy,tylerjereddy/scipy,gfyoung/scipy,jamestwebber/scipy,zerothi/scipy,matthew-brett/scipy,andyfaff/scipy,grlee77/scipy,nmayorov/scipy,rgommers/scipy,Stefan-Endres/scipy,perimosocordiae/scipy,tylerjereddy/scipy,arokem/scipy,zerothi/scipy,gertingold/scipy,aeklant/scipy,Eric89GXL/scipy,arokem/scipy,gfyoung/scipy,anntzer/scipy,e-q/scipy,lhilt/scipy,matthew-brett/scipy,person142/scipy,jor-/scipy,perimosocordiae/scipy,jamestwebber/scipy,aarchiba/scipy,scipy/scipy,gfyoung/scipy,perimosocordiae/scipy,jamestwebber/scipy,person142/scipy,rgommers/scipy,arokem/scipy,gertingold/scipy,lhilt/scipy,tylerjereddy/scipy,arokem/scipy,e-q/scipy,jor-/scipy,Eric89GXL/scipy,nmayorov/scipy,e-q/scipy,rgommers/scipy,endolith/scipy