|Bill Allombert on Fri, 19 Sep 2014 10:51:32 +0200|
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|Re: Proposal for overriding vecsum( ) in future versions.|
On Thu, Sep 18, 2014 at 07:59:02PM -0430, R. J. Cano wrote: > /* R. J. Cano <firstname.lastname@example.org>, Sept 19 2014 */ > > ? vecsum > vecsum(v): return the sum of the component of the vector v > > ? vecsum_ > vecsum(v)_: if b is omitted or 1, return the sum of component of the vector v, > otherwise if b is zero read v from left to right as the digits of > a number in the least base (1 + greatest component in v), else if > the components in v are smaller than b read in the base b, else > return -1; > > Motivation: In some cases vecsum_() might be considered the inverse of digits. Your proposal matches another one I made previously <http://pari.math.u-bordeaux.fr/archives/pari-users-1407/msg00020.html> which was to add a function 'fromdigits'. Do you have a better name to offer ? Cheers, Bill.