From 736768ba3b54f9c1520ea2ae6547cde6df05bcad Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Thu, 30 Jun 2011 17:11:50 +0200
Subject: Disallow e.g. "1 1 0" when comparing cells

---
 src/cell.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cell.c b/src/cell.c
index ee00248d..e74657b0 100644
--- a/src/cell.c
+++ b/src/cell.c
@@ -713,6 +713,10 @@ UnitCell *match_cell(UnitCell *cell, UnitCell *template, int verbose,
 		n2 = (n2l>=0) ? (n2l) : (1.0/n2l);
 		n3 = (n3l>=0) ? (n3l) : (1.0/n3l);
 
+		if ( !reduce ) {
+			if ( n1l + n2l + n3l > 1 ) continue;
+		}
+
 		/* 'bit' values can be +1 or -1 */
 		for ( b1=-1; b1<=1; b1+=2 ) {
 		for ( b2=-1; b2<=1; b2+=2 ) {
-- 
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