From c8916f5cd770e30d69cfb931544acccd237294da Mon Sep 17 00:00:00 2001
From: Owen Arnold <owen.arnold@stfc.ac.uk>
Date: Tue, 3 Oct 2017 08:54:26 +0100
Subject: [PATCH] refs #20460. Remove stable sort.
No reason to preserve position for equal elements.
---
Framework/Geometry/src/Instrument.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Framework/Geometry/src/Instrument.cpp b/Framework/Geometry/src/Instrument.cpp
index 2202bdc38a7..e9f4cbbe453 100644
--- a/Framework/Geometry/src/Instrument.cpp
+++ b/Framework/Geometry/src/Instrument.cpp
@@ -742,7 +742,7 @@ void Instrument::markAsDetectorIncomplete(const IDetector *det) {
void Instrument::markAsDetectorFinalize() {
// Detectors (even when different objects) are NOT allowed to have duplicate
// ids. This method establishes the presence of duplicates.
- std::stable_sort(m_detectorCache.begin(), m_detectorCache.end(),
+ std::sort(m_detectorCache.begin(), m_detectorCache.end(),
[](const std::tuple<detid_t, IDetector_const_sptr, bool> &a,
const std::tuple<detid_t, IDetector_const_sptr, bool> &b)
-> bool { return std::get<0>(a) < std::get<0>(b); });
--
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