Arrgh, that should be $counts->minimum_ind since the 0 values are less than all the positive counts.
On Thu, Feb 20, 2014 at 1:11 PM, Chris Marshall <[email protected]> wrote: > It would probably help if we made the signature more > mnemonic as to what the values are being returned, > counts and values. Since counts are always non-zero > for the valid elements, > > $counts->minimum_ind > > gives you the number of elements in the rle() encoded > data. > > --Chris > > > On Thu, Feb 20, 2014 at 12:57 PM, Chris Marshall <[email protected]> > wrote: >> The current implementation seems to be the way that it is >> in order to support threading of rle() operations. rld() also >> chooses an output size that is compatible with threaded >> computations. Maybe the signature could be changed and >> the $a/$b outputs could be truncated to the minimum number >> of elements. In the single vector case, that would give the >> desired result. >> >> --Chris >> >> On Tue, Feb 11, 2014 at 12:57 AM, Craig DeForest >> <[email protected]> wrote: >>> To be fair, rle could and should generate a truncated output PDL for >>> itself... >>> >>> >>> On Feb 10, 2014, at 9:45 PM, Derek Lamb <[email protected]> wrote: >>> >>>> In your $idx below, you don't want the second occurrence of 0 in $b, you >>>> want >>>> the first occurrence of 0 in $a. Because if your data for some reason has >>>> no 0 >>>> in it, then your method fails. All those zeroes in $rv are to be >>>> expected--the $a >>>> and $b arrays have the same size as your input data, so you have to >>>> truncate. >>>> Re-read the rle() docs. _______________________________________________ Perldl mailing list [email protected] http://mailman.jach.hawaii.edu/mailman/listinfo/perldl
