fixed two more warnings

NumLib/Fem/Integration/IntegrationGaussRegular.h

@@ -49,7 +49,7 @@ public:
     /// Change the integration order.
     void setIntegrationOrder(std::size_t order)
     {
-        this->_n_sampl_pt = std::pow(order, N_DIM);
+        this->_n_sampl_pt = static_cast<std::size_t>(std::pow(order, N_DIM));
         this->_order = order;
     }
 

Utils/SimpleMeshCreation/createMeshElemPropertiesFromASCRaster.cpp

@@ -142,7 +142,7 @@ int main (int argc, char* argv[])
 	}
 
 	{
-		const double mu(std::accumulate(src_properties.begin(), src_properties.end(), 0) / size);
+		const double mu(std::accumulate(src_properties.begin(), src_properties.end(), 0.0) / size);
 		INFO("Mean value of source: %f.", mu);
 
 		double src_variance(MathLib::fastpow(src_properties[0] - mu, 2));