From 679b25d13ffd6c43d4f1440cee05772834429863 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Wed, 27 May 2015 17:38:48 +0200
Subject: Add detector_has_clen_references()

---
 libcrystfel/src/detector.c | 12 ++++++++++++
 libcrystfel/src/detector.h |  2 ++
 2 files changed, 14 insertions(+)

(limited to 'libcrystfel/src')

diff --git a/libcrystfel/src/detector.c b/libcrystfel/src/detector.c
index d1614d6e..7979315b 100644
--- a/libcrystfel/src/detector.c
+++ b/libcrystfel/src/detector.c
@@ -400,6 +400,18 @@ double get_tt(struct image *image, double fs, double ss, int *err)
 }
 
 
+int detector_has_clen_references(struct detector *det)
+{
+	int i;
+
+	for ( i=0; i<det->n_panels; i++ ) {
+		if ( det->panels[i].clen_from != NULL ) return 1;
+	}
+
+	return 0;
+}
+
+
 void record_image(struct image *image, int do_poisson, double background,
                   gsl_rng *rng, double beam_radius, double nphotons)
 {
diff --git a/libcrystfel/src/detector.h b/libcrystfel/src/detector.h
index a5a7b98a..acb6609f 100644
--- a/libcrystfel/src/detector.h
+++ b/libcrystfel/src/detector.h
@@ -255,6 +255,8 @@ extern int single_panel_data_source (struct detector *det, const char *element);
 struct rg_collection *find_rigid_group_collection_by_name(struct detector *det,
                                                           const char *name);
 
+extern int detector_has_clen_references(struct detector *det);
+
 #ifdef __cplusplus
 }
 #endif
-- 
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