45 lines
1.7 KiB
TeX
45 lines
1.7 KiB
TeX
\NeedsTeXFormat{LaTeX2e}
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\ProvidesPackage{mkessler-mathalias}[2021/09/09 Easy aliasing for math style commands]
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%%%%%%
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\newif\ifmkessler@mathalias@basic\mkessler@mathalias@basicfalse
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\DeclareOption{basic}{\mkessler@mathalias@basictrue}
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\newif\ifmkessler@mathalias@extended\mkessler@mathalias@extendedfalse
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\DeclareOption{extended}{\mkessler@mathalias@extendedtrue\mkessler@mathalias@basictrue}
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\DeclareOption*{\PackageWarning{mkessler-mathalias}{Unknown '\CurrentOption'}}
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\ProcessOptions\relax
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%Usage: \makealiasesforwith\<mathcommand>{<prefix>}{<Set of letters>}
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% to declare commands of form \<prefix><Letter> as \<mathcommand>{<Letter>} for each
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% of the specfied letters
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%
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% E.g. \makealiasesforwith\mathcal{c}{ABC} will declare
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% \cA \cB \cC \cD as \mathcal{A}, \mathcal{B}, \mathcal{C}
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% This is also ensuring math context, so that
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% \cA will be valid even in normal text.
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\def\makealiasesforwith#1#2#3{
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\def\mkessler@aliases@makealias##1{
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\expandafter\def\csname #2##1\endcsname{\ensuremath{#1{##1}}}
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}
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\def\mkessler@aliases@recurse##1{
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\ifx##1\mkessler@dummy\else
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\mkessler@aliases@makealias{##1}\expandafter\mkessler@aliases@recurse\fi
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}
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\mkessler@aliases@recurse #3\mkessler@dummy
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}
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\def\mkessler@mathalias@all{ABCDEFGHIJKLMNOPQRSTUVWXYZ}
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\ifmkessler@mathalias@basic
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\RequirePackage{amsfonts}
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\makealiasesforwith\mathbb{}{CFKNQRZ}
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\fi
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\ifmkessler@mathalias@extended
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\expandafter\makealiasesforwith\expandafter\mathcal\expandafter{\expandafter c\expandafter}\expandafter{\mkessler@mathalias@all}
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\expandafter\makealiasesforwith\expandafter\mathfrak\expandafter{\expandafter f\expandafter}\expandafter{\mkessler@mathalias@all}
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\fi
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