DepthprobeSim now using flat cache

Sim/Simulation/DepthprobeSimulation.cpp

@@ -137,7 +137,7 @@ void DepthprobeSimulation::initElementVector()
                                   alpha_limits.isInRange(result_angle));
     }
 
-    m_cache = std::vector<double>(m_depth_eles.size() * zAxis()->size(), 0.);
+    m_cache.resize(m_depth_eles.size() * zAxis()->size(), 0.);
 }
 
 std::unique_ptr<IComputation>