Ah. Well, if the original behavior was to invoke pdl() it would have included
a sever() like operation automagically. If that is the behavior you want, we
could avoid this whole michigas by making reshape() call sever() directly. My
impression was that people wanted flow through reshape(). I have no objection
to asserting that reshape will always sever.
(Mobile)
> On Dec 6, 2015, at 10:59 AM, kmx <[email protected]> wrote:
>
>> On 6.12.2015 18:06, Karl Glazebrook wrote:
>> I am just wondering where that changed happened between 2.007 and 2.014 and
>> if we missed something obvious.
>
> 1/ At he beginning there was my bug report: #398 $pdl->hdr items are lost
> after $pdl->reshape
> https://sourceforge.net/p/pdl/bugs/398/
>
> Which ended up in one-line fix like this:
>
> sub PDL::reshape{
> if (@_ == 2 && $_[1] == -1) { # a slicing reshape that drops 1-dims
> return $_[0]->slice( map { $_==1 ? [0,0,0] : [] } $_[0]->dims);
> }
> - my $pdl = pdl($_[0]);
> + my $pdl = topdl($_[0]);
> my $nelem = $pdl->nelem;
> ...
>
> 2/ With this change reshape() start crashing in some specific cases
>
> 3/ Craig added pdl_barf("Can't setdims on a PDL that already has
> children"); to setdims in order to barf instead of crashing.
>
> --
> kmx
>
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