Make log(0) return the correct result, -Inf
Make log(0) return the correct result, -Inf

Signed-off-by: pmichaud <0a197dbb67d5ae8da961dfe1296bbf2dd411b3c6@pobox.com>
samcv/rakudo,tony-o/deb-rakudodaily,tony-o/deb-rakudodaily,dankogai/rakudo,niner/rakudo,pmurias/rakudo,softmoth/rakudo,nbrown/rakudo,laben/rakudo,Leont/rakudo,skids/rakudo,ab5tract/rakudo,ungrim97/rakudo,b2gills/rakudo,zhuomingliang/rakudo,mrgetit/rakudo,labster/rakudo,salortiz/rakudo,Gnouc/rakudo,awwaiid/rakudo,usev6/rakudo,paultcochrane/rakudo,azawawi/rakudo,rjbs/rakudo,dakkar/rakudo,usev6/rakudo,jonathanstowe/rakudo,nbrown/rakudo,pmurias/rakudo,sergot/rakudo,nunorc/rakudo,rakudo/rakudo,sergot/rakudo,zostay/rakudo,tbrowder/rakudo,retupmoca/rakudo,ugexe/rakudo,sjn/rakudo,skids/rakudo,lucasbuchala/rakudo,cognominal/rakudo,tony-o/rakudo,lucasbuchala/rakudo,niner/rakudo,b2gills/rakudo,rakudo/rakudo,tony-o/rakudo,usev6/rakudo,LLFourn/rakudo,teodozjan/rakudo,paultcochrane/rakudo,jonathanstowe/rakudo,ugexe/rakudo,zhuomingliang/rakudo,skids/rakudo,jonathanstowe/rakudo,ab5tract/rakudo,nbrown/rakudo,samcv/rakudo,retupmoca/rakudo,tony-o/rakudo,LLFourn/rakudo,softmoth/rakudo,Gnouc/rakudo,tony-o/deb-rakudodaily,MasterDuke17/rakudo,softmoth/rakudo,b2gills/rakudo,ungrim97/rakudo,cognominal/rakudo,dwarring/rakudo,ungrim97/rakudo,lucasbuchala/rakudo,sergot/rakudo,paultcochrane/rakudo,raydiak/rakudo,labster/rakudo,usev6/rakudo,nbrown/rakudo,Gnouc/rakudo,tbrowder/rakudo,Leont/rakudo,azawawi/rakudo,ugexe/rakudo,laben/rakudo,awwaiid/rakudo,sjn/rakudo,labster/rakudo,niner/rakudo,dwarring/rakudo,tony-o/rakudo,awwaiid/rakudo,softmoth/rakudo,raydiak/rakudo,rakudo/rakudo,Gnouc/rakudo,cygx/rakudo,azawawi/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,paultcochrane/rakudo,LLFourn/rakudo,cygx/rakudo,ugexe/rakudo,azawawi/rakudo,jonathanstowe/rakudo,nunorc/rakudo,Gnouc/rakudo,dankogai/rakudo,salortiz/rakudo,teodozjan/rakudo,rjbs/rakudo,b2gills/rakudo,rakudo/rakudo,ab5tract/rakudo,ugexe/rakudo,tony-o/rakudo,samcv/rakudo,sjn/rakudo,awwaiid/rakudo,Leont/rakudo,salortiz/rakudo,nunorc/rakudo,rakudo/rakudo,cygx/rakudo,jonathanstowe/rakudo,nbrown/rakudo,dankogai/rakudo,cognominal/rakudo,sjn/rakudo,MasterDuke17/rakudo,pmurias/rakudo,LLFourn/rakudo,labster/rakudo,teodozjan/rakudo,sergot/rakudo,pmurias/rakudo,Gnouc/rakudo,Leont/rakudo,retupmoca/rakudo,b2gills/rakudo,tbrowder/rakudo,tbrowder/rakudo,raydiak/rakudo,cognominal/rakudo,cygx/rakudo,salortiz/rakudo,tony-o/deb-rakudodaily,laben/rakudo,lucasbuchala/rakudo,tbrowder/rakudo,ungrim97/rakudo,ab5tract/rakudo,cognominal/rakudo,samcv/rakudo,salortiz/rakudo,dankogai/rakudo,labster/rakudo,dankogai/rakudo,awwaiid/rakudo,tony-o/rakudo,rjbs/rakudo,niner/rakudo,dwarring/rakudo,zostay/rakudo,usev6/rakudo,zhuomingliang/rakudo,zostay/rakudo,azawawi/rakudo,sjn/rakudo,LLFourn/rakudo,zhuomingliang/rakudo,skids/rakudo,rakudo/rakudo,labster/rakudo,salortiz/rakudo,lucasbuchala/rakudo,paultcochrane/rakudo,nunorc/rakudo,nbrown/rakudo,raydiak/rakudo,MasterDuke17/rakudo,tony-o/deb-rakudodaily,skids/rakudo,dwarring/rakudo,cygx/rakudo,ungrim97/rakudo,MasterDuke17/rakudo,teodozjan/rakudo,tony-o/deb-rakudodaily,softmoth/rakudo,zostay/rakudo,retupmoca/rakudo,ab5tract/rakudo,samcv/rakudo,tbrowder/rakudo,tony-o/deb-rakudodaily,laben/rakudo