GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
################################################################################ ## ## simpcomp / pkgnohom.gi ## ## Loaded when `homology' package is not available ## ## $Id$ ## ################################################################################ InstallGlobalFunction(SCHomologyClassic, function(complex) if(not SCIsPolyhedralComplex(complex)) then Info(InfoSimpcomp,1,"SCHomologyClassic: first argument must be of type SCIsPolyhedralComplex."); return fail; fi; if HasSCHomology(complex) then return SCHomology(complex); fi; return SCHomologyInternal(complex); end);