Replace CUDASelector function w/ lambda

Author: joeatodd

examples/vector_addition/vector_addition.cpp

@@ -24,15 +24,6 @@
 
 #include <CL/sycl.hpp>
 
-int CUDASelector(sycl::device const & dev){
-  if(dev.get_platform().get_backend() == sycl::backend::ext_oneapi_cuda){
-      std::cout << " CUDA device found " << std::endl;
-      return 1;
-    } else{
-      return -1;
-    }
-}
-
 int main(int argc, char *argv[]) {
   constexpr const size_t N = 100000;
   const sycl::range VecSize{N};
@@ -53,6 +44,18 @@ int main(int argc, char *argv[]) {
     }
   }
 
+  auto CUDASelector = [](sycl::device const &dev)
+  {
+    if (dev.get_platform().get_backend() == sycl::backend::ext_oneapi_cuda)
+    {
+      std::cout << " CUDA device found " << std::endl;
+      return 1;
+    }
+    else
+    {
+      return -1;
+    }
+  };
   sycl::queue myQueue{CUDASelector};
 
   // Command Group creation

examples/vector_addition/vector_addition_usm.cpp

@@ -24,19 +24,23 @@
 
 #include <CL/sycl.hpp>
 
-int CUDASelector(sycl::device const &dev) {
-  if (dev.get_platform().get_backend() == sycl::backend::ext_oneapi_cuda) {
-    std::cout << " CUDA device found " << std::endl;
-    return 1;
-  } else {
-    return -1;
-  }
-}
 
 int main(int argc, char *argv[]) {
   constexpr const size_t n = 100000;
 
   // Create a sycl queue with our CUDASelector
+  auto CUDASelector = [](sycl::device const &dev)
+  {
+    if (dev.get_platform().get_backend() == sycl::backend::ext_oneapi_cuda)
+    {
+      std::cout << " CUDA device found " << std::endl;
+      return 1;
+    }
+    else
+    {
+      return -1;
+    }
+  };
   sycl::queue myQueue{CUDASelector};
 
   // Host input vectors