From b3c159fc276c3c8032b05a010495d0a255f06dda Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Fri, 15 Jan 2021 15:27:50 +0100
Subject: Correct P to R centering

---
 libcrystfel/src/index.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'libcrystfel')

diff --git a/libcrystfel/src/index.c b/libcrystfel/src/index.c
index 44909347..14b77513 100644
--- a/libcrystfel/src/index.c
+++ b/libcrystfel/src/index.c
@@ -599,6 +599,12 @@ static int check_cell(IndexingFlags flags, Crystal *cr, UnitCell *target,
 		cell_set_lattice_type(out, cell_get_lattice_type(target));
 		cell_set_unique_axis(out, cell_get_unique_axis(target));
 
+		/* Correct P to R centering, for the same reason */
+		if ( (cell_get_centering(target) == 'R')
+		     && (cell_get_centering(out) == 'P') ) {
+			cell_set_centering(out, 'R');
+		}
+
 		return 0;
 	}
 
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