[Gmsh] Feature requeset: asinh

[Nico Schlömer]

By the way, I was able to work around the unavailability of asinh in Gmsh
by using python4gmsh now, which allows for using anything that's available
in Python (numpy, scipy,...).

Cheers,
Nico


On Monday, February 18, 2013, Christophe Geuzaine wrote:

>
> On 08 Feb 2013, at 19:27, Nico Schlömer <nico.schloemer at gmail.com> wrote:
>
> >> Why not: if you send a patch we'll merge it (cf. e.g. "tSinh" in
> Parser/Gmsh.y)
> >
> > I had a look at Gmsh.y and I have to say that I don't even know what
> > kind of source code this is. Is this a table for translation of
> > strings into c-code? I could of course copy those lines of tSinh to
> > tASinh, but I wouldn't really know what I was doing.
> >
>
> :-)
>
> Gmsh.y contains "yacc" (or "bison") code, used to generate the parser.
>
> The code in between braces ({}) is just standard c++ code, with $$
> replacing the return value of the statement, and $i replacing the
> "arguments". If you send me the c++ code I will integrate it in the .y file.
>
> Christophe
>
>
>
> > --Nico
> >
> >
> > On Wed, Feb 6, 2013 at 4:05 AM, Christophe Geuzaine <cgeuzaine at ulg.ac.be>
> wrote:
> >>
> >> On 05 Feb 2013, at 01:35, Nico Schlömer <nico.schloemer at gmail.com>
> wrote:
> >>
> >>> Currently, Gmsh has a number of built-in functions, amongst them
> >>> trigonometrical functions, their inverses, and hyperbolic functions.
> >>> I have an application where I need the inverse of sinh which is not
> available.
> >>> Given the representation
> >>>
> >>>
> https://en.wikipedia.org/wiki/Hyperbolic_function#Inverse_functions_as_logarithms
> >>>
> >>
> >> Why not: if you send a patch we'll merge it (cf. e.g. "tSinh" in
> Parser/Gmsh.y)
> >>
> >>> I can work around this easily enough, but one may want to add it to
> >>> the array of built-in functions for the sake of compleness.
> >>>
> >>> --Nico
> >>>
> >>> _______________________________________________
> >>> gmsh mailing list
> >>> gmsh at geuz.org
> >>> http://www.geuz.org/mailman/listinfo/gmsh
> >>
> >> --
> >> Prof. Christophe Geuzaine
> >> University of Liege, Electrical Engineering and Computer Science
> >> http://www.montefiore.ulg.ac.be/~geuzaine
> >>
> >>
> >>
>
> --
> Prof. Christophe Geuzaine
> University of Liege, Electrical Engineering and Computer Science
> http://www.montefiore.ulg.ac.be/~geuzaine
>
>
>
>
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