From 9674c801f9eae6a807ecaf12b119aa3f6ee6fd77 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Fri, 3 Mar 2017 11:45:03 +0100
Subject: partialator: Better handling of very small number of crystals

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

(limited to 'src/partialator.c')

diff --git a/src/partialator.c b/src/partialator.c
index 09feebb4..569145e8 100644
--- a/src/partialator.c
+++ b/src/partialator.c
@@ -191,6 +191,12 @@ static void write_split(Crystal **crystals, int n_crystals, const char *outfile,
 	snprintf(tmp, 1024, "%s1", outfile);
 	split = merge_intensities(crystals1, n_crystals1, nthreads,
 		                  pmodel, min_measurements, push_res, 1);
+
+	if ( split == NULL ) {
+		ERROR("Not enough crystals for two way split!\n");
+		return;
+	}
+
 	STATUS("Writing two-way split to %s ", tmp);
 	write_reflist_2(tmp, split, sym);
 	reflist_free(split);
-- 
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