partial fix for repeated algorithm registration (patch #2101 by Stephan Reuter)

562838e0 · Vadim Pisarevsky · d56b7719 · 562838e0
Commit 562838e0 authored Jul 01, 2012 by Vadim Pisarevsky
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algorithm.cpp modules/core/src/algorithm.cpp +2 -1

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--- a/modules/core/src/algorithm.cpp
+++ b/modules/core/src/algorithm.cpp
@@ -321,7 +321,8 @@ AlgorithmInfo::AlgorithmInfo(const string& _name, Algorithm::Constructor create)
 {
    data = new AlgorithmInfoData;
    data->_name = _name;
-    alglist().add(_name, create);
+    if (!alglist().find(_name, create))
+        alglist().add(_name, create);
 }

 AlgorithmInfo::~AlgorithmInfo()