diff options
Diffstat (limited to 'tex/context/base/math-tex.tex')
| -rw-r--r-- | tex/context/base/math-tex.tex | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tex/context/base/math-tex.tex b/tex/context/base/math-tex.tex index 42fb9bd17..386d40b84 100644 --- a/tex/context/base/math-tex.tex +++ b/tex/context/base/math-tex.tex @@ -636,4 +636,35 @@ \definemathcommand [colonsim] [rel] {\coloncolon\colonsep\sim} \definemathcommand [simcoloncolon] [rel] {\sim\coloncolon\colonsep} +%D More integrals (AM): + +\def\dointkern{\mkern-6mu\mathchoice{\mkern-3mu}{}{}{}} + +\definemathcommand [iint] {\repeatintegral\plusone } +\definemathcommand [iiint] {\repeatintegral\plustwo } +\definemathcommand [iiiint] {\repeatintegral\plusthree} + +\def\repeatintegral#1% + {\scratchtoks\emptytoks + \let\dointlimits\nolimits + \dorecurse{#1}{\appendtoks \intop \dointkern \to \scratchtoks} + \appendtoks \intop \dointlimits \to \scratchtoks + \edef\dodorepeatintegral{\the\scratchtoks}% + \futurelet\next\dorepeatintegral} + +%D If the \type{\limits} option is used after \type{\iint}, use +%D \type{\mathop} and fudge the left hand space a bit to make the +%D subscript visually centered. + +\def\dorepeatintegral + {\ifx\next\limits \dointlimitcorrection \else + \ifx\next\displaylimits \dointlimitcorrection \fi\fi + \dodorepeatintegral} + +\def\dointlimitcorrection + {\mkern-7mu\mathchoice{\mkern-2mu}{}{}{}% + \mathop\bgroup + \mkern7mu\mathchoice{\mkern2mu}{}{}{}% + \let\dointlimits\egroup} + \protect \endinput |