Hi Peter,
On Sun, 20 Jan 2008, Peter I. Hansen wrote:
> Hi,
>
> In context I would very much like to use the intlimits feature from
> amsmath. I LaTex this would be done by:
>
> \usepackage[intlimits]{amsmath}
>
> I've seached google and contextgarden but didn't find any related
> hint. Do any of you guys know?
Here is a patch. Right now, you will have to use
\chardef\intlimitcode = <number>
where <number> is 0 for \nolimits (default)
1 for \displaylimits (similar to amsmath intlimit
2 for \limits
Hans: I am not sure which is the right way to interface this. Should we
add \setupmathematics (there could be other options in the future)?
\chardef\intlimitcode\zerocount %0 nolimits 1 displaylimits 2 limits
\def\intlimits
{\ifcase\intlimitcode \nolimits \or \displaylimits \or \limits \fi}
\definemathcommand [int] {\intop \intlimits}
\definemathcommand [oint] {\ointop\intlimits}
\def\repeatintegral#1%
{\scratchtoks\emptytoks
\let\dointlimits\intlimits
\dorecurse{#1}{\appendtoks \intop \dointkern \to \scratchtoks}
\appendtoks \intop \dointlimits \to \scratchtoks
\edef\dodorepeatintegral{\the\scratchtoks}%
\futurelet\next\dorepeatintegral}
\def\dorepeatintegral
{\ifx\next\limits \dointlimitcorrection \else
\ifx\next\displaylimits \dointlimitcorrection \else
\ifx\next\nolimits \donothing \else
\ifcase\intlimitcode\else \dointlimitcorrection \fi\fi\fi\fi
\dodorepeatintegral}
% Example:
\starttext
\startbuffer
$\int_a^b f(x) dx$ and also $\iint_a^b f(x,y) dxdy$, $\iiint_a^b f(x,y)
dxdy$,
$\iiiint_a^b f(x) dx$
\startformula
\int_a^b f(x) dx \quad
\iint_a^b f(x) dx \quad
\iiint_a^b f(x) dx \quad
\iiiint_a^b f(x) dx \quad
\stopformula
\stopbuffer
Default: \getbuffer
Displaylimits: \chardef\intlimitcode\plusone \getbuffer
Limits: \chardef\intlimitcode\plustwo \getbuffer
\stoptext
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