Revert a change that breaks compilation.

diff --git a/source/differentiation/sd/symengine_number_types.cc b/source/differentiation/sd/symengine_number_types.cc
index 635f4521ff1e5927d17430d2152a777780d93d04..ce828f1d87e8cb1239cf4bc419c6e52ee890fb7c 100644 (file)
--- a/source/differentiation/sd/symengine_number_types.cc
+++ b/source/differentiation/sd/symengine_number_types.cc
@@ -104,7 +104,7 @@ namespace Differentiation
         {expression_otherwise.get_RCP(), SE::boolTrue});
 
       // Initialize
-      expression = SE::piecewise(piecewise_function);
+      expression = SE::piecewise(std::move(piecewise_function));
     }