* How to define a TeX logic function with a boolean returned from a Lua function and \edef fixed value
@ 2017-01-18 15:29 DesdeChaves
2017-01-18 16:37 ` Hans Hagen
0 siblings, 1 reply; 2+ messages in thread
From: DesdeChaves @ 2017-01-18 15:29 UTC (permalink / raw)
To: mailing list for ConTeXt users
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Dear sirs,
Is there a way to compare, in TeX environment, a value returned from a lua
function with a TeX variable?
Please see this code:
\def\aleatorioValue{
\startlua
local nu = math.random(1,10);
if nu<5 return 1 else return 0 end
\stoplua
}
\edef\controlValue{1}
\edef\inferior{Number too small \\}
\edef\superior{Number too big \\}
\def\myfunction{\ifx\aleatorioValue\controlValue\inferior\else\superior\fi}
\starttext
\dorecurse{20}{\myfunction}
\stoptext
Thanks a lot. Have a nice day
Jorge
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* Re: How to define a TeX logic function with a boolean returned from a Lua function and \edef fixed value
2017-01-18 15:29 How to define a TeX logic function with a boolean returned from a Lua function and \edef fixed value DesdeChaves
@ 2017-01-18 16:37 ` Hans Hagen
0 siblings, 0 replies; 2+ messages in thread
From: Hans Hagen @ 2017-01-18 16:37 UTC (permalink / raw)
To: mailing list for ConTeXt users
On 1/18/2017 4:29 PM, DesdeChaves wrote:
>
> Dear sirs,
>
> Is there a way to compare, in TeX environment, a value returned from a
> lua function with a TeX variable?
>
> Please see this code:
>
> \def\aleatorioValue{
> \startlua
> local nu = math.random(1,10);
> if nu<5 return 1 else return 0 end
> \stoplua
> }
>
> \edef\controlValue{1}
> \edef\inferior{Number too small \\}
> \edef\superior{Number too big \\}
>
> \def\myfunction{\ifx\aleatorioValue\controlValue\inferior\else\superior\fi}
>
>
> \starttext
>
> \dorecurse{20}{\myfunction}
>
> \stoptext
\def\aleatorioValue{%
\ctxlua{context(math.random(1,10) < 5 and 1 or 0)}%
}
\def\aleatorioValue{%
\cldcontext{math.random(1,10) < 5 and 1 or 0}%
}
\edef\controlValue{1}
\edef\inferior{Number too small \\}
\edef\superior{Number too big \\}
\def\myfunction{\ifnum\aleatorioValue=\controlValue\relax\inferior\else\superior\fi}
--
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Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
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