xfrac

git-svn-id: svn://tug.org/texlive/trunk@1458 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 258 insertions, 0 deletions

diff --git a/Master/texmf-dist/tex/latex/xfrac/xfrac.sty b/Master/texmf-dist/tex/latex/xfrac/xfrac.sty
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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'.