Fix --cell-reduction=compare

It must be allowed to add zero multiples of an axis length, otherwise the
best it can do is a*+b*+c*, or a*+b*-c* etc.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/cell.c b/src/cell.c
index a2507319..25d9e40d 100644
--- a/src/cell.c
+++ b/src/cell.c
@@ -688,7 +688,7 @@ UnitCell *match_cell(UnitCell *cell, UnitCell *template, int verbose,
 	if ( reduce ) {
 		ilow = -2;  ihigh = 4;
 	} else {
-		ilow = 1;  ihigh = 1;
+		ilow = 0;  ihigh = 1;
 	}
 
 	/* Negative values mean 1/n, positive means n, zero means zero */