From 6e70a46771d3b28edc80a88de22b98df47147dc1 Mon Sep 17 00:00:00 2001
From: Gregor Kleen <gkleen@yggdrasil.li>
Date: Tue, 19 Apr 2016 15:20:48 +0200
Subject: TeX preamble with listings & algorithms

---
 gup/pdf.gup  |  2 +-
 preamble.tex | 20 ++++++++++++++++++++
 shell.nix    |  2 +-
 3 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 preamble.tex

diff --git a/gup/pdf.gup b/gup/pdf.gup
index f49ec39..7604813 100755
--- a/gup/pdf.gup
+++ b/gup/pdf.gup
@@ -3,6 +3,6 @@
 gup -u ${2%.pdf}.md
 
 for i in 0 1; do
-    pandoc -t latex -o $2 -V "geometry=margin=2cm" -V "fontfamily=libertine" --listings --latex-engine=lualatex ${2%.pdf}.md >&2
+    pandoc -t latex -o $2 -V "geometry=margin=2cm" -V "fontfamily=libertine" -H preamble.tex --listings --latex-engine=lualatex ${2%.pdf}.md >&2
 done
 [[ -e $2 ]] && touch $2
diff --git a/preamble.tex b/preamble.tex
new file mode 100644
index 0000000..3aeecda
--- /dev/null
+++ b/preamble.tex
@@ -0,0 +1,20 @@
+\usepackage{listings}
+\usepackage{algorithmic}
+\usepackage{amsmath}
+
+\renewcommand{\algorithmicrequire}{\textbf{Input:}}
+\renewcommand{\algorithmicensure}{\textbf{Output:}}
+
+\lstset{
+frame=tb,
+numbers=left,
+numberstyle=\tiny,
+breaklines=true,
+postbreak=\raisebox{0ex}[0ex][0ex]{\ensuremath{\color{red}\hookrightarrow\space}}
+}
+
+\DeclareMathOperator{\Hom}{Hom}
+%\DeclareMathOperator{\P}{\frak{P}}
+%\DeclareMathOperator{\exp}{exp}
+%\DeclareMathOperator{\ln}{ln}
+\newcommand{\N}{\ensuremath{\mathbb{N}}}
diff --git a/shell.nix b/shell.nix
index a121ec4..2ba975c 100644
--- a/shell.nix
+++ b/shell.nix
@@ -14,7 +14,7 @@ pkgs.stdenv.mkDerivation rec {
                     with p; [ yesod yesod-bin pandoc monad-par persistent-sqlite
                             ]))
 	          (pkgs.texlive.combine {
-		    inherit (pkgs.texlive) scheme-small libertine tipa cm-super context bussproofs mweights fontaxes backnaur enumitem varwidth beamer;
+		    inherit (pkgs.texlive) scheme-small libertine tipa cm-super context bussproofs mweights fontaxes backnaur enumitem varwidth beamer ctablestack algorithms;
 		  })
                 ];
   shellHook = ''
-- 
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