summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/context/base/mkxl/math-int.mkxl
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf-dist/tex/context/base/mkxl/math-int.mkxl')
-rw-r--r--Master/texmf-dist/tex/context/base/mkxl/math-int.mkxl141
1 files changed, 141 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/mkxl/math-int.mkxl b/Master/texmf-dist/tex/context/base/mkxl/math-int.mkxl
new file mode 100644
index 00000000000..a8dcd3c9525
--- /dev/null
+++ b/Master/texmf-dist/tex/context/base/mkxl/math-int.mkxl
@@ -0,0 +1,141 @@
+%D \module
+%D [ file=math-int,
+%D version=2007.07.19,
+%D title=\CONTEXT\ Math Macros,
+%D subtitle=Scripts,
+%D author={Hans Hagen \& Taco Hoekwater \& Aditya Mahajan},
+%D date=\currentdate,
+%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+\writestatus{loading}{ConTeXt Math Macros / Integrals}
+
+% todo: int and sum etc can be stackers
+
+\unprotect
+
+%D \startbuffer
+%D $\int _a^b f(x) dx $ and also
+%D $\iint _a^b f(x,y) dxdy$,
+%D $\iiint _a^b f(x,y) dxdy$,
+%D \startformula
+%D \int _a^b f(x) dx \quad
+%D \iint _a^b f(x) dx \quad
+%D \iiint _a^b f(x) dx \quad
+%D \stopformula
+%D \stopbuffer
+%D
+%D Default: \getbuffer
+%D
+%D Displaylimits: \setupmathematics[integral=displaylimits] \getbuffer
+%D
+%D Limits: \setupmathematics[integral=limits] \getbuffer
+
+%D Adapted to mkiv by HH from code by AM.
+
+\installcorenamespace{mathintegral}
+
+\newconstant\mathintlimitmode
+
+\permanent\def\intlimits % also used elsewhere
+ {\ifcase\mathintlimitmode
+ \nolimits
+ \or
+ \displaylimits
+ \or
+ \limits
+ \or
+ \ifnum\attribute\mathmodeattribute=\plusone
+ \limits
+ \else
+ \nolimits
+ \fi
+ \else
+ % none
+ \fi}
+
+\letvalue{\??mathintegral nolimits}\zerocount
+\letvalue{\??mathintegral displaylimits}\plusone
+\letvalue{\??mathintegral limits}\plustwo
+\letvalue{\??mathintegral autolimits}\plusthree
+\letvalue{\??mathintegral none}\plusfour
+
+\appendtoks
+ \mathintlimitmode\executeifdefined{\??mathintegral\mathematicsparameter\s!integral}\zerocount
+\to \everyswitchmathematics
+
+\setupmathematics
+% [\v!integral=nolimits]
+ [\v!integral=autolimits]
+
+%D The following code is used for fallbacks and might become obsolete once
+%D we have enough \OPENTYPE\ math fonts.
+
+% \def\math_repeated_integal_i
+% {\int}
+
+% \def\math_repeated_integal_ii
+% {\math_repeated_integal_i
+% \math_repeated_integral_kern
+% \math_repeated_integal_i
+% \math_repeat_integral_finish
+% \intlimits}
+
+% \def\math_repeated_integal_iii
+% {\math_repeated_integal_i
+% \math_repeated_integral_kern
+% \math_repeated_integal_ii}
+%
+% \def\math_repeated_integal_iiii
+% {\math_repeated_integal_i
+% \math_repeated_integral_kern
+% \math_repeated_integal_iii}
+%
+% \protected\def\math_repeat_integral#1%
+% {\let\math_repeat_integral_finish\donothing
+% \iffontchar\textfont\zerocount#1\relax
+% \expandafter\math_repeat_integral_real
+% \else
+% \expandafter\math_repeat_integral_fake
+% \fi}
+%
+% \def\math_repeat_integral_fake#1#2%
+% {\let\math_repeat_integral_fake_symbol#2%
+% \futurelet\next\math_repeat_integral_fake_indeed}
+%
+% \def\math_repeat_integral_real#1#2%
+% {#1}
+%
+% \definemathcommand [iint] {\math_repeat_integral{"0222C}\normalint \math_repeated_integal_ii } % double
+% \definemathcommand [iiint] {\math_repeat_integral{"0222D}\normaliint \math_repeated_integal_iii } % tripple
+% \definemathcommand [iiiint] {\math_repeat_integral{"FFFFF}\normaliiint\math_repeated_integal_iiii} % quadruple
+%
+% \def\math_repeated_integral_kern
+% {\mkern-6mu\mathchoice{\mkern-3mu}{}{}{}}
+%
+% \def\math_repeat_integral_fake_indeed
+% {\ifx\next\limits
+% \math_repeated_integral_correction
+% \orelse\ifx\next\displaylimits
+% \math_repeated_integral_correction
+% \orelse\ifx\next\nolimits
+% % nothing
+% \orelse\ifcase\mathintlimitmode
+% % nothing
+% \else
+% \math_repeated_integral_correction
+% \fi
+% \math_repeat_integral_fake_symbol}
+%
+% \def\math_repeated_integral_correction
+% {\mkern-7mu\mathchoice{\mkern-2mu}{}{}{}%
+% \mathop\bgroup\mkern7mu\mathchoice{\mkern2mu}{}{}{}\let\math_repeat_integral_finish\egroup}
+%
+% %D If the \type{\limits} option is used after \type {\iint}, use \type
+% %D {\mathop} and fudge the left hand space a bit to make the subscript
+% %D visually centered.
+
+\protect \endinput