MAINT: Use math.factorial in filter_design, up to 50x faster
MAINT: Use math.factorial in filter_design, up to 50x faster

nmayorov/scipy,Eric89GXL/scipy,perimosocordiae/scipy,rgommers/scipy,mdhaber/scipy,Eric89GXL/scipy,anntzer/scipy,ilayn/scipy,endolith/scipy,mdhaber/scipy,ilayn/scipy,vigna/scipy,tylerjereddy/scipy,matthew-brett/scipy,grlee77/scipy,nmayorov/scipy,matthew-brett/scipy,rgommers/scipy,grlee77/scipy,WarrenWeckesser/scipy,vigna/scipy,anntzer/scipy,grlee77/scipy,e-q/scipy,e-q/scipy,zerothi/scipy,anntzer/scipy,grlee77/scipy,zerothi/scipy,perimosocordiae/scipy,WarrenWeckesser/scipy,mdhaber/scipy,vigna/scipy,WarrenWeckesser/scipy,endolith/scipy,Stefan-Endres/scipy,e-q/scipy,perimosocordiae/scipy,perimosocordiae/scipy,matthew-brett/scipy,tylerjereddy/scipy,andyfaff/scipy,ilayn/scipy,tylerjereddy/scipy,e-q/scipy,mdhaber/scipy,Stefan-Endres/scipy,nmayorov/scipy,endolith/scipy,e-q/scipy,rgommers/scipy,scipy/scipy,endolith/scipy,perimosocordiae/scipy,zerothi/scipy,ilayn/scipy,Stefan-Endres/scipy,rgommers/scipy,matthew-brett/scipy,vigna/scipy,scipy/scipy,scipy/scipy,ilayn/scipy,nmayorov/scipy,zerothi/scipy,Stefan-Endres/scipy,vigna/scipy,mdhaber/scipy,WarrenWeckesser/scipy,Stefan-Endres/scipy,scipy/scipy,grlee77/scipy,anntzer/scipy,Eric89GXL/scipy,mdhaber/scipy,tylerjereddy/scipy,andyfaff/scipy,andyfaff/scipy,perimosocordiae/scipy,matthew-brett/scipy,anntzer/scipy,WarrenWeckesser/scipy,Eric89GXL/scipy,rgommers/scipy,ilayn/scipy,anntzer/scipy,scipy/scipy,andyfaff/scipy,tylerjereddy/scipy,andyfaff/scipy,zerothi/scipy,scipy/scipy,zerothi/scipy,Eric89GXL/scipy,endolith/scipy,andyfaff/scipy,Stefan-Endres/scipy,Eric89GXL/scipy,endolith/scipy,nmayorov/scipy,WarrenWeckesser/scipy