From: Michael Orlitzky <michael@orlitzky.com>
Date: Wed, 6 Jul 2016 16:43:27 +0000 (-0400)
Subject: Add the \directsum operator.
X-Git-Tag: posZ-submitted-laa~29
X-Git-Url: https://gitweb.michael.orlitzky.com/?a=commitdiff_plain;h=58dd2634228390d7a902edf9bf70570e22ebbf4e;p=mjotex.git

Add the \directsum operator.
---

diff --git a/mjo-common.tex b/mjo-common.tex
index 408ca33..0a9a5d2 100644
--- a/mjo-common.tex
+++ b/mjo-common.tex
@@ -29,6 +29,9 @@
 % The Cartesian product of three things.
 \providecommand*{\cartprodthree}[3]{ \cartprod{{#1}}{\cartprod{{#2}}{{#3}}} }
 
+% The direct sum of two things.
+\providecommand*{\directsum}[2]{ {#1}\oplus{#2} }
+
 % The factorial operator.
 \providecommand*{\factorial}[1]{ {#1}! }