fix(NNSearch): add trace log for future debug on CI

Author: panquez

src/geode/geometry/nn_search.cpp

@@ -219,17 +219,28 @@ namespace geode
                 }
                 const auto vertices = radius_neighbors( point( p ), epsilon );
                 auto min_index = find_min_unmapped_element( vertices, mapping );
+                Logger::trace( p, " : Min index ", min_index );
                 std::lock_guard< std::mutex > lock( mutex );
                 if( mapping[p] != p )
                 {
+                    Logger::trace(
+                        p, " : correction 1 / mapping[p]", mapping[p] );
                     return;
                 }
                 if( min_index != mapping[min_index] )
                 {
+                    Logger::trace( p, " : correction 2 / min_index before",
+                        min_index, " / mapping[min_index]",
+                        mapping[min_index] );
                     min_index = find_min_unmapped_element( vertices, mapping );
+                    Logger::trace(
+                        p, " : correction 2 / min_index after", min_index );
                 }
+                Logger::trace( p, " : Difinitive min index ", min_index );
                 for( const auto id : vertices )
                 {
+                    Logger::trace(
+                        p, " : id ", id " / mapping[id]", mapping[id] );
                     if( id == mapping[id] )
                     {
                         mapping[id] = min_index;

tests/geometry/test-nnsearch.cpp

@@ -73,7 +73,7 @@ void first_test()
 
 void second_test()
 {
-    geode::Logger::set_level( geode::Logger::LEVEL::debug );
+    geode::Logger::set_level( geode::Logger::LEVEL::trace );
     std::vector< geode::Point2D > points{
         geode::Point2D{ { 0, 0.2 } },
         geode::Point2D{ { 0.25, 0 } },
@@ -87,6 +87,12 @@ void second_test()
 
     const auto colocated_info = colocator.colocated_index_mapping( DISTANCE );
     DEBUG( colocated_info.nb_unique_points() );
+    for( const auto v : geode::Range{ 6 } )
+    {
+        geode::Logger::trace( v, " : ",
+            colocated_info.colocated_input_points[v], " / ",
+            colocated_info.colocated_mapping[v] );
+    }
     for( const auto p : geode::Indices{ points } )
     {
         OPENGEODE_EXCEPTION( colocated_info.colocated_mapping[p]