[CI/Build] Enforce style for C++ and CUDA code with `clang-format` (#4722)

csrc/quantization/gptq/qdq_8.cuh

@@ -10,28 +10,18 @@ Copied from https://github.com/turboderp/exllamav2
 namespace vllm {
 namespace gptq {
 
-__forceinline__ __device__ void shuffle_8bit_4
-(
-    uint32_t* q,
-    int stride
-)
-{
-}
+__forceinline__ __device__ void shuffle_8bit_4(uint32_t* q, int stride) {}
 
-__forceinline__ __device__ void dequant_8bit_8
-(
-    const uint32_t q_0,
+__forceinline__ __device__ void dequant_8bit_8(const uint32_t q_0,
                                                const uint32_t q_1,
-    half2 (&dq)[4],
-    int stride,
-    const uint32_t zero
-)
-{
+                                               half2 (&dq)[4], int stride,
+                                               const uint32_t zero) {
   half dqh[8];
-    for (int i = 0; i < 4; i++) dqh[i    ] = dq_ns(exb(q_0, i * 8, 0xff), zero);
+  for (int i = 0; i < 4; i++) dqh[i] = dq_ns(exb(q_0, i * 8, 0xff), zero);
   for (int i = 0; i < 4; i++) dqh[i + 4] = dq_ns(exb(q_1, i * 8, 0xff), zero);
 
-    for (int i = 0; i < 4; i++) dq[i] = __halves2half2(dqh[i * 2], dqh[i * 2 + 1]);
+  for (int i = 0; i < 4; i++)
+    dq[i] = __halves2half2(dqh[i * 2], dqh[i * 2 + 1]);
 }
 
 }  // namespace gptq