Bill Allombert on Sun, 04 Dec 2005 20:42:56 +0100


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Re: Using hexadecimal with gp 

On Fri, Dec 02, 2005 at 07:01:26PM +0100, Martin Larsen wrote:
> >
> >hextodec(s)=
> >{local(v=Vecsmall(s),
> >sett=Set([0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f]));
> >sum(i=0,#v-1,(setsearch(sett,Strchr(bitor(v[#v-i],32)))-1)*16^i)}
> >
> Correction, I'm scrambling for an easy way to enter "sett"
> sett=["0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"]);

Maybe sett=Vec("0123456789abcdef") ?

Cheers,
Bill