1 files changed, 9 insertions, 0 deletions
diff --git a/figs/ising.fig/libs/ising.sty b/figs/ising.fig/libs/ising.sty
new file mode 100644
index 0000000..2f8b2fa
--- /dev/null
+++ b/figs/ising.fig/libs/ising.sty
@@ -0,0 +1,9 @@
+% square lattice (width #1, height #2, origin #3)
+\def\grid#1#2#3{
+  \foreach\i in {0,...,#2}{
+    \draw#3++(0,\i)--++(#1,0);
+  }
+  \foreach\i in {0,...,#1}{
+    \draw#3++(\i,0)--++(0,#2);
+  }
+}