%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright © 2021 Maximilian Keßler
% 
% Permission is hereby granted, free of charge, to any person obtaining a copy
% of this software and associated documentation files (the “Software”), to deal
% in the Software without restriction, including without limitation the rights
% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
% copies of the Software, and to permit persons to whom the Software is
% furnished to do so, subject to the following conditions:
% The above copyright notice and this permission notice shall be included in all
% copies or substantial portions of the Software.
% 
% THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
% SOFTWARE.
% 
% This package has been generated by PyTeX, available at
%    https://github.com/kesslermaximilian/PyTeX
% and built from source file 'mathop.pysty'.
% It is STRONGLY DISCOURAGED to edit this source file directly, since local
% changes will not be versioned by Git and overwritten by the next build. Always
% edit the source file and build the package again.
% 
% Build details:
%   PyTeX version: v1.0.0-18 (commit 126d420)
%   Source code version: v2.2.2-4 (commit a805b28)
% 
% This LaTeX package is free software and distributed under the MIT License. You
% may use it freely for your purposes. The latest version of the package can be
% obtained via GitHub under
%    https://github.com/kesslermaximilian/LatexPackages
% For further information see the url above.
% Reportings of bugs, suggestions and improvements are welcome, see the README
% at the Git repository for further information.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{mkessler-mathop}[2021/10/25 - Math Operator Package]


%Provides some commonly used Operators used in the write-ups of my lecture notes

\RequirePackage{xkeyval}

\newif\ifmkessler@mathop@english\mkessler@mathop@englishtrue
\DeclareOptionX{german}{\mkessler@mathop@englishfalse}
\DeclareOptionX{ngerman}{\mkessler@mathop@englishfalse}
\DeclareOptionX{english}{\mkessler@mathop@englishtrue}

\DeclareOptionX*{\PackageWarning{mkessler-mathop}{Unknown '\CurrentOption'}}
\ProcessOptionsX*\relax


%%%%%Package dependencies
\RequirePackage{amsmath}
\RequirePackage{bbm}
\RequirePackage{mathtools}

%%%%Different types of operator wrappers:

% For simple math operators that are just to be printed as their name
\newcommand\DeclareSimpleMathOperator[1]{
    \expandafter\providecommand\csname #1\endcsname{\operatorname{#1}}
}

%%%For distributions
%Introduce synonym for \operatorname
\newcommand\mkessler@mathop@distribution[1]{\operatorname{#1}}
%Easily declare new distributions
\newcommand\DeclareDistribution[1]{\expandafter\def\csname #1\endcsname{\mkessler@mathop@distribution{#1}}}

%%%For categories
%Introduce synonym for \operatorname
\newcommand\mkessler@mathop@category[1]{\operatorname{\textbf{#1}}}
%Easily declare new categories
\newcommand\DeclareCategory[1]{\expandafter\def\csname #1\endcsname{\mkessler@mathop@category{#1}}}


%%%%%%%%%%% Operators
%Basic commands
\DeclareSimpleMathOperator{id}
\DeclareSimpleMathOperator{im}
\DeclareSimpleMathOperator{Bild}
\DeclareSimpleMathOperator{dom}
\DeclareSimpleMathOperator{Span}
\DeclareSimpleMathOperator{Aut}
\DeclareMathOperator{\rhs}{RHS} %Right hand side of equation
\DeclareMathOperator{\lhs}{LHS} %Left hand side of equation

%%Provide \ggT \gcd \kgV \lcm for 'greatest common denominator' and 'least common multiple'
% \ggT und \gcd, as well as \kgV and \lcm are synonyms and language-aware, so that
% e.g. when the german language option is loaded, even
% \lcm would print 'kgV'
% The starred versions of the four commands will ignore the language option and print their
% exact names (without the *, of course)
\DeclareMathOperator{\@mkessler@mathop@ggT}{ggT}
\DeclareMathOperator{\@@mkessler@mathop@ggT}{\if@mkessler@mathop@english gcd\else ggT\fi}
\def\ggT{\@ifstar\@mkessler@mathop@ggT\@@mkessler@mathop@ggT}

\DeclareMathOperator{\@mkessler@mathop@gcd}{gcd}
\DeclareMathOperator{\@@mkessler@mathop@gcd}{\if@mkessler@mathop@english gcd\else ggT\fi}
\def\gcd{\@ifstar\@mkessler@mathop@gcd\@@mkessler@mathop@gcd}

\DeclareMathOperator{\@mkessler@mathop@kgV}{kgV}
\DeclareMathOperator{\@@mkessler@mathop@kgV}{\if@mkessler@mathop@english lcm\else kgV\fi}
\def\kgV{\@ifstar\@mkessler@mathop@kgV\@@mkessler@mathop@kgV}

\DeclareMathOperator{\@mkessler@mathop@lcm}{lcm}
\DeclareMathOperator{\@@mkessler@mathop@lcm}{\if@mkessler@mathop@english lcm\else kgV\fi}
\def\lcm{\@ifstar\@mkessler@mathop@lcm\@@mkessler@mathop@lcm}

%Complex numbers
\DeclareMathOperator{\mkessler@mathop@impart}{Im}
\renewcommand\Im\mkessler@mathop@impart
\DeclareMathOperator{\mkessler@mathop@repart}{Re}
\renewcommand\Re\mkessler@mathop@repart

%Linear Algebra
\DeclareSimpleMathOperator{Sym}
\DeclareSimpleMathOperator{supp}
\DeclareSimpleMathOperator{sgn}
\DeclareSimpleMathOperator{coker}
\DeclareSimpleMathOperator{rank}
\DeclareSimpleMathOperator{Mat}
\DeclareSimpleMathOperator{ev}
\DeclareSimpleMathOperator{tr}

%Algebra
\DeclareSimpleMathOperator{Quot}
\DeclareSimpleMathOperator{rad}
\DeclareSimpleMathOperator{Spec}
\DeclareSimpleMathOperator{Frac}
\DeclareSimpleMathOperator{Gal}
\DeclareSimpleMathOperator{Ext}
\DeclareSimpleMathOperator{Tor}
\DeclareSimpleMathOperator{MaxSpec}
\DeclareSimpleMathOperator{Sh}
\DeclareSimpleMathOperator{Proj}
\DeclareSimpleMathOperator{QCoh}
\DeclareSimpleMathOperator{Fun}
\DeclareMathOperator{\Nil}{\mathcal{N}il}
\DeclareMathOperator{\Ouv}{\mathcal{O}uv}
\DeclareMathOperator{\PreSh}{Pre-Sh}
\newcommand{\tensor}{\otimes} %Synonym for tensoring

%Analysis
\DeclareSimpleMathOperator{dx}
\DeclareSimpleMathOperator{dy}
\DeclareSimpleMathOperator{dz}
\DeclareSimpleMathOperator{dt}

%Sets
\DeclareSimpleMathOperator{conv}
\DeclareSimpleMathOperator{dist}
\DeclareSimpleMathOperator{diam}

%%Stochastic (Algorithmische Mathematik II)
\DeclareDistribution{Bin}
\DeclareDistribution{Ber}
\DeclareDistribution{Geo}
\DeclareDistribution{Poi}
\DeclareDistribution{Unif}
\DeclareDistribution{Var}
\DeclareDistribution{Cov}

%Topology
\DeclareSimpleMathOperator{pr}
\def\twedge{\vee} % Semantically correct macros for wedge product
\def\tsmash{\wedge} % Semantically correct macro for smash product

%Category Theory
\DeclareSimpleMathOperator{Ob}
\DeclareSimpleMathOperator{Hom}
\DeclareSimpleMathOperator{Mor}
\DeclareSimpleMathOperator{End}
\DeclareSimpleMathOperator{colim}

%Categories
\DeclareCategory{Top}
\DeclareCategory{hTop}
\DeclareCategory{Set}
\DeclareCategory{CHaus}
\DeclareCategory{Grp}
\DeclareCategory{Ab}
\DeclareCategory{CRing}
\DeclareCategory{Ring}
\DeclareCategory{Vect}
\DeclareCategory{Fin}
\DeclareCategory{Ab}
\DeclareCategory{Cat}
\DeclareCategory{Mod}
\DeclareCategory{AffVar}
\DeclareCategory{Alg}
\DeclareCategory{Field}

%Set theory
\DeclareSimpleMathOperator{card}
\DeclareSimpleMathOperator{Cd}
\DeclareSimpleMathOperator{Ord}
\DeclareSimpleMathOperator{otp}
\DeclareSimpleMathOperator{Card}

%%Galoiskohomologie
\DeclareSimpleMathOperator{Br}
\DeclareSimpleMathOperator{EXT}
\DeclareSimpleMathOperator{Ind}
\DeclareSimpleMathOperator{char}
\DeclareSimpleMathOperator{res}
\DeclareSimpleMathOperator{inf}
\DeclareSimpleMathOperator{cov}
\newcommand{\del}{\partial} % Semantically correct operator for boundary maps

% Characteristic function
\newcommand*{\cfun}{\ensuremath{\mathbbm{1}}}
\newcommand*{\One}{\cfun}

%Paired Delimiters
\DeclarePairedDelimiter\ceil{\lceil}{\rceil}
\DeclarePairedDelimiter\floor{\lfloor}{\rfloor}

%Norm and absolute value
%Make them scaling by default and have \abs*{} as the non-scaling version of the command
\DeclarePairedDelimiter\abs{\lvert}{\rvert}
\let\oldabs\abs
\def\abs{\@ifstar{\oldabs}{\oldabs*}}

\DeclarePairedDelimiter\norm{\lVert}{\rVert}
\let\oldnorm\norm
\def\norm{\@ifstar{\oldnorm}{\oldnorm*}}

\DeclareMathOperator{\amalgprod}{\star}