Removed the special case for intel compiler

The intel compiler was treated the same as the clang compiler, even
though it did not have the same problems for compiling. Therefore,
the intel compiler is now treated the same as all the others
(except clang).

cuda/base/math.hpp

@@ -52,8 +52,7 @@ struct remove_complex_impl<thrust::complex<T>> {
 
 template <typename T>
 struct is_complex_impl<thrust::complex<T>>
-    : public std::integral_constant<bool, true> {
-};
+    : public std::integral_constant<bool, true> {};
 
 
 template <typename T>
@@ -103,7 +102,7 @@ __device__ GKO_INLINE std::complex<double> one<std::complex<double>>()
 #if defined(__CUDA_ARCH__) && defined(__CUDACC_VER_MAJOR__) &&     \
     defined(__CUDACC_VER_MINOR__) &&                               \
     (__CUDACC_VER_MAJOR__ * 1000 + __CUDACC_VER_MINOR__) < 9002 && \
-    (defined(__clang__) || defined(__ICC) || defined(__ICL))
+    defined(__clang__)
 
 
 namespace detail {
@@ -114,8 +113,7 @@ namespace detail {
  * point type. Uses specialization to implement different types.
  */
 template <typename T>
-struct mask_creator {
-};
+struct mask_creator {};
 
 template <>
 struct mask_creator<float> {