Re: [Plplot-devel] Do we want to move plAlloc2dGrid(), plFree2dGrid, and plMinMax2dGrid

[Phil R. <p.d...@gm...>]

I don't have a strong feeling about this - so personally would apply
an if it aint broke don't fix it policy. I can see the point of a
single alloc, but I'm not sure it is high on the priority list.

Phil

On 25 January 2015 at 03:34, Jim Dishaw <ji...@di...> wrote:
> In the src/pdfutils.c file (pdf = portable data files) there exists functions that allocate, free, and find the min/max for 2d matrices.  The functions do not read or write any data files and these functions are used in
>
> src/plot3d.c
> src/plvect.c
> src/plimage.c
> src/pllegend.c
> src/plgradient.c
> ./bindings/f95/scstubs.c
> ./bindings/f95/sccont.c
> ./bindings/f95/sc3d.c
> ./bindings/c++/plstream.h
> ./bindings/c++/plstream.cc
> ./bindings/d/plplot.d
> ./bindings/tcl/tclAPI.c
> ./bindings/swig-support/plplotcapi.i
> ./bindings/ocaml/plplot_h
> ./bindings/ocaml/plplot_impl.c
>
> The purpose of src/pdfutils.c is to provide file I/O functions (plmeta uses pdf_utils) not to provide memory allocation.  I would like to move them to a new file, for example src/plmem.c.
>
> Also, I would like to rewrite plAlloc2dGrid to use only one alloc because the multiple alloc algorithm that is currently used is unnecessary, slower, and on some OSes results in a fragmented heap.  Also, by using one alloc call, plFree2dGrid needs only one free.
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