move math package into subdirectory

math/mkessler-math.sty

@@ -1,6 +1,9 @@
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesPackage{mkessler-math}[2021/03/31 - Math package]
-%%%%%%Provides the basic math packages used for my lecture-note write-ups
+%%%%%%Collects the basic math packages used for my lecture-note write-ups
+
+%% This just imports all the packages I use for writing up mathematics
+
 
 \newif\if@mkessler@math@english\@mkessler@math@englishtrue
 \DeclareOption{german}{\@mkessler@math@englishfalse}

mkessler-math.sty

@@ -0,0 +1,115 @@
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{mkessler-math}[2021/03/31 - Math package]
+%%%%%%Provides the basic math packages used for my lecture-note write-ups
+
+\newif\if@mkessler@math@english\@mkessler@math@englishtrue
+\DeclareOption{german}{\@mkessler@math@englishfalse}
+\DeclareOption{ngerman}{\@mkessler@math@englishfalse}
+\DeclareOption{english}{\@mkessler@math@englishtrue}
+
+\DeclareOption*{\PackageWarning{mkessler-math}{Unknown '\CurrentOption'}}
+\ProcessOptions\relax
+
+\RequirePackage{newunicodechar}
+    \newunicodechar{α}{\ensuremath\alpha}
+    \newunicodechar{β}{\ensuremath\beta}
+    \newunicodechar{γ}{\ensuremath\gamma}
+    \newunicodechar{δ}{\ensuremath\delta}
+    \newunicodechar{ε}{\ensuremath\epsilon}
+    \newunicodechar{ζ}{\ensuremath\zeta}
+    \newunicodechar{η}{\ensuremath\eta}
+    \newunicodechar{θ}{\ensuremath\theta}
+    \newunicodechar{ι}{\ensuremath\iota}
+    \newunicodechar{κ}{\ensuremath\kappa}
+    \newunicodechar{λ}{\ensuremath\lambda}
+    \newunicodechar{μ}{\ensuremath\mu}
+    \newunicodechar{ν}{\ensuremath\nu}
+    \newunicodechar{ξ}{\ensuremath\xi}
+    \newunicodechar{π}{\ensuremath\pi}
+    \newunicodechar{ρ}{\ensuremath\rho}
+    \newunicodechar{σ}{\ensuremath\sigma}
+    \newunicodechar{τ}{\ensuremath\tau}
+    \newunicodechar{υ}{\ensuremath\upsilon}
+    \newunicodechar{φ}{\ensuremath\phi}
+    \newunicodechar{χ}{\ensuremath\chi}
+    \newunicodechar{ψ}{\ensuremath\psi}
+    \newunicodechar{ω}{\ensuremath\omega}
+
+\RequirePackage{amsmath}
+\RequirePackage{mathtools}
+\RequirePackage{amsthm}
+\RequirePackage{amssymb}
+
+\RequirePackage{latexsym}
+\RequirePackage{mathrsfs}
+
+\RequirePackage{pgfplots} % Plots
+\pgfplotsset{compat=1.7}
+
+\RequirePackage{tikz} % Plots / drawings
+\usetikzlibrary{calc, intersections, through, quotes, angles, babel, positioning, snakes}
+
+\RequirePackage{tikz-cd} %Commutative diagrams
+
+
+%%for small diagrams, similar to tikz-cd
+\usepackage[all]{xy}        % for small diagrams, e.g. arrows
+%%% In older versions, you found 
+% \usepackage{xy}
+% \xyoption{all}
+% here, but this messes with the catcode of the @ sign (which no package should do!)
+% so that further parts in this package would get broken
+
+% Für Formeln
+\RequirePackage{mathabx}
+\RequirePackage{faktor}
+\RequirePackage[mathscr]{eucal} % \mathscr for another calligraphic alphabet
+\RequirePackage{esint}
+
+\RequirePackage{IEEEtrantools}
+
+
+\RequirePackage[ngerman,ruled,vlined]{algorithm2e}
+
+
+%%% Custom commands
+
+%Short commands for \mathbb{}
+\newcommand{\C}{\ensuremath{\mathbb{C}}}
+\newcommand{\F}{\ensuremath{\mathbb{F}}}
+\newcommand{\K}{\ensuremath{\mathbb{K}}}
+\newcommand{\N}{\ensuremath{\mathbb{N}}}
+\newcommand{\Q}{\ensuremath{\mathbb{Q}}}
+\newcommand{\R}{\ensuremath{\mathbb{R}}}
+\newcommand{\Z}{\ensuremath{\mathbb{Z}}}
+
+%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*}}
+
+%%%Fixes of common misbehaviour
+
+%Proper Degree command
+\renewcommand{\degree}{^\circ}
+
+% Always put limits under \limit
+\let\oldlim\lim\def\lim{\oldlim\limits}
+
+\if@mkessler@math@english
+    \RequirePackage[english]{mkessler-operators}
+\else
+    \RequirePackage[german]{mkessler-operators}
+\fi
+
+
+