[SYCL] Change macro to follow naming C++ identifiers rules (#8031)

..for SYCL project

Signed-off-by: Tikhomirova, Kseniya <kseniya.tikhomirova@intel.com>

---------

Signed-off-by: Tikhomirova, Kseniya <kseniya.tikhomirova@intel.com>

Author: KseniyaTikhomirova

sycl/include/sycl/ext/oneapi/experimental/builtins.hpp

@@ -113,23 +113,24 @@ inline __SYCL_ALWAYS_INLINE
                      sycl::marray<T, N>>
     tanh(sycl::marray<T, N> x) __NOEXC {
   sycl::marray<T, N> res;
-#if defined(__SYCL_DEVICE_ONLY__) && defined(__NVPTX__)
-#define FUNC_VEC native::tanh
-#define FUNC FUNC_VEC
-#else
-#define FUNC_VEC __sycl_std::__invoke_tanh<sycl::vec<T, 2>>
-#define FUNC __sycl_std::__invoke_tanh<T>
-#endif // defined(__SYCL_DEVICE_ONLY__) && defined(__NVPTX__)
 
   for (size_t i = 0; i < N / 2; i++) {
-    auto partial_res = FUNC_VEC(sycl::detail::to_vec2(x, i * 2));
+#if defined(__SYCL_DEVICE_ONLY__) && defined(__NVPTX__)
+    auto partial_res = native::tanh(sycl::detail::to_vec2(x, i * 2));
+#else
+    auto partial_res = __sycl_std::__invoke_tanh<sycl::vec<T, 2>>(
+        sycl::detail::to_vec2(x, i * 2));
+#endif
     std::memcpy(&res[i * 2], &partial_res, sizeof(vec<T, 2>));
   }
   if (N % 2) {
-    res[N - 1] = FUNC(x[N - 1]);
+#if defined(__SYCL_DEVICE_ONLY__) && defined(__NVPTX__)
+    res[N - 1] = native::tanh(x[N - 1]);
+#else
+    res[N - 1] = __sycl_std::__invoke_tanh<T>(x[N - 1]);
+#endif
   }
-#undef FUNC_VEC
-#undef FUNC
+
   return res;
 }
 
@@ -155,23 +156,23 @@ template <size_t N>
 inline __SYCL_ALWAYS_INLINE sycl::marray<half, N>
 exp2(sycl::marray<half, N> x) __NOEXC {
   sycl::marray<half, N> res;
-#if defined(__SYCL_DEVICE_ONLY__) && defined(__NVPTX__)
-#define FUNC_VEC native::exp2
-#define FUNC FUNC_VEC
-#else
-#define FUNC_VEC __sycl_std::__invoke_exp2<sycl::vec<half, 2>>
-#define FUNC __sycl_std::__invoke_exp2<half>
-#endif // defined(__SYCL_DEVICE_ONLY__) && defined(__NVPTX__)
 
   for (size_t i = 0; i < N / 2; i++) {
-    auto partial_res = FUNC_VEC(sycl::detail::to_vec2(x, i * 2));
+#if defined(__SYCL_DEVICE_ONLY__) && defined(__NVPTX__)
+    auto partial_res = native::exp2(sycl::detail::to_vec2(x, i * 2));
+#else
+    auto partial_res = __sycl_std::__invoke_exp2<sycl::vec<half, 2>>(
+        sycl::detail::to_vec2(x, i * 2));
+#endif
     std::memcpy(&res[i * 2], &partial_res, sizeof(vec<half, 2>));
   }
   if (N % 2) {
-    res[N - 1] = FUNC(x[N - 1]);
+#if defined(__SYCL_DEVICE_ONLY__) && defined(__NVPTX__)
+    res[N - 1] = native::exp2(x[N - 1]);
+#else
+    res[N - 1] = __sycl_std::__invoke_exp2<half>(x[N - 1]);
+#endif
   }
-#undef FUNC_VEC
-#undef FUNC
   return res;
 }