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-%%
-%% This is file `xfrac.sty',
-%% generated with the docstrip utility.
-%%
-%% The original source files were:
-%%
-%% xfrac.dtx (with options: `package')
-%%
-%% It may be distributed and/or modified under the
-%% conditions of the LaTeX Project Public License, either version 1.3
-%% of this license or (at your option) any later version.
-%% The latest version of this license is in
-%% http://www.latex-project.org/lppl.txt
-%% and version 1.3 or later is part of all distributions of LaTeX
-%% version 2003/12/01 or later.
-%%
-%% This work has the LPPL maintenance status "maintained".
-%%
-%% The Current Maintainer of this work is Morten H\o gholm.
-%%
-%% This work consists of the files xfrac.dtx, xfrac.ins and the
-%% derived file xfrac.sty.
-%%
-\NeedsTeXFormat{LaTeX2e}[2003/12/01]
-\ProvidesPackage{xfrac}
- [2004/10/10 v0.11b Slashed Fractions (MH)]
-\RequirePackage{textcomp,graphicx,amstext}
-\RequirePackage{template}[2001/07/25]
-\RequirePackage{xparse}[2000/01/29]
-\InternalSyntaxOn
-\@ifundefined{else:}{\let\else:=\else}{}
-\@ifundefined{fi:}{\let\fi:=\fi}{}
-\@ifundefined{if_dim:w}{\let\if_dim:w =\ifdim}{}
-\@ifundefined{if_mathmode:}{\let\if_mathmode: =\ifmmode}{}
-\def\xfrac_namelet:cN #1#2{%
- \expandafter\let\csname#1\endcsname#2}
-\def\xfrac_new_boolean:c #1{
- \expandafter\@ifdefinable\csname if_boolean_#1:\endcsname{
- \@namedef{boolean_#1_true:}
- {\xfrac_namelet:cN{if_boolean_#1:}\iftrue}%
- \@namedef{boolean_#1_false:}
- {\xfrac_namelet:cN{if_boolean_#1:}\iffalse}%
- \@nameuse{boolean_#1_false:}%
- }
-}
-\def\xfrac_set_boolean:cc #1#2{ \@nameuse{boolean_#1_#2:}}
-\def\if_boolean:cTF #1{
- \@nameuse{if_boolean_#1:}
- \expandafter\@firstoftwo
- \else:
- \expandafter\@secondoftwo
- \fi:
-}
-\def\if_boolean:cT #1#2{ \if_boolean:cTF {#1}{#2}{} }
-\def\if_boolean:cF #1#2{ \if_boolean:cTF {#1}{}{#2} }
-\xfrac_new_boolean:c {cm_recommended}
-\DeclareOption{cm-recommended}
- { \xfrac_set_boolean:cc {cm_recommended}{true} }
-\DeclareOption{cm-standard}
- { \xfrac_set_boolean:cc {cm_recommended}{false} }
-\ExecuteOptions{cm-recommended}
-\ProcessOptions\relax
-\newsavebox\l_xfrac_temp_box
-\newsavebox\l_xfrac_slash_box
-\DeclareTemplateType{xfrac}{3}
-\DeclareTemplate{xfrac}{text}{3}{
- numerator-font = n [\f@family] \xfrac_numeratorfont:,
- numerator-format = f1 [#1] \xfrac_numeratorformat:n,
- slash-symbol = n [\textfractionsolidus]
- \xfrac_slashsymbol:,
- slash-symbol-font = n [\f@family] \xfrac_slashsymbolfont:,
- slash-symbol-format = f1 [#1] \xfrac_slashsymbolformat:n,
- denominator-font = n [\f@family] \xfrac_denominatorfont:,
- denominator-format = f1 [#1] \xfrac_denominatorformat:n,
- h-scale = n [1] \xfrac_hscale:,
- v-scale = n [1] \xfrac_vscale:,
- scale-factor = n [.83333] \xfrac_scalefactor:,
- scale-relative = s [true]
- { \def \xfrac_relscale: {\ht\l_xfrac_slash_box}}
- { \def \xfrac_relscale: {
- \dimexpr \ht\l_xfrac_temp_box + \dp\l_xfrac_temp_box\relax} },
- scaling = s [true]
- {\def\xfrac_fontscale: {
- \fontsize{\xfrac_scalefactor: \xfrac_relscale:}{\z@}\selectfont}}
- { \let\xfrac_fontscale: \relax },
- numerator-top-sep = L [\maxdimen] \l_xfrac_numeratortopsep_fdim,
- numerator-bot-sep = L [\maxdimen] \l_xfrac_numeratorbotsep_fdim,
- denominator-bot-sep = L [\maxdimen] \l_xfrac_denominatorbotsep_fdim,
- slash-right-kern = L [0pt] \l_xfrac_slashrightsep_fdim,
- slash-left-kern = L [0pt] \l_xfrac_slashleftsep_fdim,
- slash-right-mkern = n [-2mu] \l_xfrac_slashrightmsep_fmu,
- slash-left-mkern = n [-1mu] \l_xfrac_slashleftmsep_fmu,
- math-mode = s [false] { \let\xfrac_math: \ensuremath }
- { \let\xfrac_math: \@firstofone },
- phantom = n [8] \xfrac_phantom:,
-}{
- \DoParameterAssignments
- \if_mathmode:
- \let\xfrac_textormath: \text
- \edef\xfrac_slashfontchange: {\fam\xfrac_slashsymbolfont: }
- \edef\xfrac_numeratorfontchange: {\fam\xfrac_numeratorfont: }
- \edef\xfrac_denominatorfontchange: {\fam\xfrac_denominatorfont: }
- \else:
- \let\xfrac_textormath: \mbox
- \def\xfrac_slashfontchange: {
- \fontfamily{\xfrac_slashsymbolfont: }\selectfont}
- \def\xfrac_numeratorfontchange: {
- \fontfamily{\xfrac_numeratorfont: }\selectfont}
- \def\xfrac_denominatorfontchange: {
- \fontfamily{\xfrac_denominatorfont: }\selectfont}
- \fi:
- \xfrac_textormath: {
- \m@th
- \sbox\l_xfrac_temp_box {\xfrac_math: {\vphantom{(}}}
- \sbox\l_xfrac_slash_box {
- \xfrac_math: {
- \xfrac_slashsymbolformat:n {
- \xfrac_math: {
- \xfrac_slashfontchange:
- \IfValueTF{#2}{#2}{\xfrac_slashsymbol: }
- }
- }
- }
- }
- \if_dim:w \l_xfrac_numeratortopsep_fdim = \maxdimen
- \if_dim:w \l_xfrac_numeratorbotsep_fdim = \maxdimen
- \def\xfrac_next: {\raisebox{\ht\l_xfrac_slash_box
- -\dp\l_xfrac_slash_box-\height}}
- \else:
- \def\xfrac_next: {\raisebox{\l_xfrac_numeratorbotsep_fdim }}
- \fi:
- \else:
- \if_dim:w \l_xfrac_numeratorbotsep_fdim = \maxdimen
- \def\xfrac_next: {
- \raisebox{
- \ht\l_xfrac_slash_box - \l_xfrac_numeratortopsep_fdim
- - \height
- }
- }
- \else:
- \PackageError{xfrac}
- {You~ have~ specified~ both~ numerator-top-sep~ and~
- numerator-bot-sep}
- {I~ will~ pretend~ you~ didn't~ specify~ any~ of ~them}
- \def\xfrac_next: {\raisebox{\ht\l_xfrac_slash_box
- -\dp\l_xfrac_slash_box-\height}}
- \fi:
- \fi:
- \xfrac_next: {
- \xfrac_fontscale:
- \xfrac_numeratorformat:n {
- \scalebox{\xfrac_hscale: }[\xfrac_vscale: ]
- { \xfrac_math:{ \xfrac_numeratorfontchange:
- {\vphantom{\xfrac_phantom: }#1} } }
- }
- }
- \xfrac_math: {
- \if_mathmode:
- \mskip \l_xfrac_slashrightmsep_fmu
- \else:
- \hskip \l_xfrac_slashrightsep_fdim
- \fi: }
- \usebox\l_xfrac_slash_box
- \xfrac_math: {
- \if_mathmode:
- \mskip \l_xfrac_slashleftmsep_fmu
- \else:
- \hskip \l_xfrac_slashleftsep_fdim
- \fi: }
- \if_dim:w \l_xfrac_denominatorbotsep_fdim=\maxdimen\relax
- \def\xfrac_next: {\raisebox{-\dp\l_xfrac_slash_box}}
- \else:
- \def\xfrac_next: {\raisebox{\l_xfrac_denominatorbotsep_fdim}}
- \fi:
- \xfrac_next: {
- \xfrac_fontscale:
- \xfrac_denominatorformat:n {
- \scalebox{\xfrac_hscale:}[\xfrac_vscale:]
- { \xfrac_math: { \xfrac_denominatorfontchange:
- {\vphantom{\xfrac_phantom: }#3} } }
- }
- }
- }
-}
-\DeclareRestrictedTemplate{xfrac}{math}{text}{
- numerator-font = \number\fam,
- slash-symbol = /,
- slash-symbol-font = \number\fam,
- denominator-font = \number\fam,
- scale-factor = 0.7,
- scale-relative = false,
- scaling = true,
- numerator-top-sep = 0pt,
- denominator-bot-sep = 0pt,
- math-mode = true,
- phantom = (,
-}
-\DeclareInstance{xfrac}{default}{text}{ }
-\DeclareInstance{xfrac}{mathdefault}{math}{ }
-\DeclareCollectionInstance{plainmath}{xfrac}{mathdefault}{math}{
- denominator-bot-sep=0pt,
- numerator-bot-sep=0pt,
- numerator-top-sep=\maxdimen,
- scale-factor = 1,
- scale-relative = false,
- scaling = true,
- slash-right-mkern=0mu,
- slash-left-mkern=0mu,
-}
-\DeclareInstance{xfrac}{cmr}{text}{
- denominator-bot-sep=0pt,
- numerator-top-sep=\DelayEvaluation{.2ex},
- slash-left-kern=\DelayEvaluation{-.1em},
- slash-right-kern=\DelayEvaluation{-.1em},
-}
-\DeclareInstance{xfrac}{cmss}{text}{
- denominator-bot-sep=0pt,
- numerator-top-sep=\DelayEvaluation{.2ex},
- slash-left-kern=\DelayEvaluation{-.1em},
- slash-right-kern=\DelayEvaluation{-.1em},
-}
-\DeclareInstance{xfrac}{cmtt}{text}{
- denominator-bot-sep=0pt,
- numerator-top-sep=\DelayEvaluation{.2ex},
- slash-left-kern=\DelayEvaluation{-.1em},
- slash-right-kern=\DelayEvaluation{-.1em},
-}
-\DeclareCollectionInstance{cm-recommended}{xfrac}{cmr}{text}{
- slash-symbol-font = ptm,
-}
-\DeclareCollectionInstance{cm-recommended}{xfrac}{cmss}{text}{
- slash-symbol-font = ptm,
-}
-\DeclareCollectionInstance{cm-recommended}{xfrac}{cmtt}{text}{
- slash-symbol-font = ppl,
-}
-\if_boolean:cT {cm_recommended}
- {\UseCollection{xfrac}{cm-recommended}}
-\DeclareDocumentCommand \sfrac {o mom}{
- \if_mathmode:
- \edef\xfrac_next: {mathfam\number\fam}
- \IfExistsInstanceTF{xfrac}{\xfrac_next: }
- {\UseInstance{xfrac}{\xfrac_next: }}
- {\UseInstance{xfrac}{mathdefault}}
- {#2}{#3}{#4}
- \else:
- \IfExistsInstanceTF{xfrac}{#1}
- {\UseInstance{xfrac}{#1}{#2}{#3}{#4}}
- {\IfExistsInstanceTF{xfrac}{\f@family}
- {\UseInstance{xfrac}{\f@family}}
- {\UseInstance{xfrac}{default}}
- {#2}{#3}{#4}
- }
- \fi:
-}
-\endinput
-%%
-%% End of file `xfrac.sty'.