X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mjotex.git;a=blobdiff_plain;f=mjo-cone.tex;h=78e87415f587dddb5832215cf91aad5079d04fd3;hp=dad432e76b46025182de3c9f808103f54ada6d29;hb=HEAD;hpb=21149d05f0bf33baecfe002704f8dd3d939951e7

diff --git a/mjo-cone.tex b/mjo-cone.tex
index dad432e..00a1309 100644
--- a/mjo-cone.tex
+++ b/mjo-cone.tex
@@ -4,10 +4,16 @@
 % The operator families Z(K), LL(K), etc. can technically be defined on
 % sets other than cones, but nobody cares.
 %
+\ifx\havemjocone\undefined
+\def\havemjocone{1}
 
-\usepackage{amssymb} % \succcurlyeq and friends
 
-\input{mjo-common}
+\ifx\succcurlyeq\undefined
+  \usepackage{amssymb} % \succcurlyeq, \preccurlyeq
+\fi
+
+\input{mjo-common} % for \of, \Rn, etc.
+\input{mjo-linear_algebra} % \Sn and \Hn
 
 % The dual of a subset of an inner-product space; always a closed
 % convex cone.
@@ -17,8 +23,10 @@
 % Common cones.
 %
 
-% The nonnegative orthant in the given number of dimensions.
+% The nonnegative and strictly positive orthants in the given number
+% of dimensions.
 \newcommand*{\Rnplus}[1][n]{ \Rn[#1]_{+} }
+\newcommand*{\Rnplusplus}[1][n]{ \Rn[#1]_{++} }
 
 % The Lorentz ``ice-cream'' cone in the given number of dimensions.
 \newcommand*{\Lnplus}[1][n]{ \mathcal{L}^{{#1}}_{+} }
@@ -67,3 +75,6 @@
 \newcommand*{\gtcone}{\succ}
 \newcommand*{\lecone}{\preccurlyeq}
 \newcommand*{\ltcone}{\prec}
+
+
+\fi