From 4b19790ab0692cbe1ef1b4e2e0b8262091e6b143 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Tue, 9 Feb 2021 14:25:09 +0100
Subject: Add fom_is_comparison()

---
 libcrystfel/src/fom.c | 31 +++++++++++++++++++++++++++++++
 libcrystfel/src/fom.h |  1 +
 2 files changed, 32 insertions(+)

(limited to 'libcrystfel/src')

diff --git a/libcrystfel/src/fom.c b/libcrystfel/src/fom.c
index ae5b530f..af1ba8fe 100644
--- a/libcrystfel/src/fom.c
+++ b/libcrystfel/src/fom.c
@@ -855,6 +855,37 @@ int fom_is_anomalous(enum fom_type fom)
 }
 
 
+int fom_is_comparison(enum fom_type fom)
+{
+	switch ( fom ) {
+
+		case FOM_CCANO:
+		case FOM_RANO:
+		case FOM_CRDANO:
+		case FOM_RANORSPLIT:
+		case FOM_R1I:
+		case FOM_R1F:
+		case FOM_R2:
+		case FOM_RSPLIT:
+		case FOM_CC:
+		case FOM_CCSTAR:
+		case FOM_D1SIG:
+		case FOM_D2SIG:
+		return 1;
+
+		case FOM_NUM_MEASUREMENTS:
+		case FOM_REDUNDANCY:
+		case FOM_SNR:
+		case FOM_MEAN_INTENSITY:
+		case FOM_COMPLETENESS:
+		return 0;
+	}
+
+	ERROR("This point never reached\n");
+	abort();
+}
+
+
 static int is_single_list(enum fom_type fom)
 {
 	switch ( fom ) {
diff --git a/libcrystfel/src/fom.h b/libcrystfel/src/fom.h
index 8839b65e..08bc655b 100644
--- a/libcrystfel/src/fom.h
+++ b/libcrystfel/src/fom.h
@@ -134,6 +134,7 @@ extern int fom_overall_num_possible(struct fom_context *fctx);
 extern int fom_shell_num_possible(struct fom_context *fctx, int i);
 
 extern int fom_is_anomalous(enum fom_type f);
+extern int fom_is_comparison(enum fom_type f);
 
 extern const char *fom_name(enum fom_type f);
 
-- 
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