Use macro to shorten code

include/ck/tensor_operation/gpu/grid/gridwise_gemm_xdl_cshuffle_v1.hpp

@@ -136,20 +136,26 @@ struct GridwiseGemm_k0mk1_k0nk1_mn_xdl_cshuffle_v1
 
     using ThisThreadBlock = ThisThreadBlock<BlockSize>;
 
+#if defined(INTEGER_DIVIDE_CEIL)
+#error "macro INTEGER_DIVIDE_CEIL() was already defined somewhere else"
+#endif
+
+#define INTEGER_DIVIDE_CEIL(x, y) (((x) + (y)-1) / (y))
     __host__ __device__ static auto CalculateMPadded(index_t M)
     {
-        return (M + MPerBlock - 1) / MPerBlock * MPerBlock;
+        return INTEGER_DIVIDE_CEIL(M, MPerBlock) * MPerBlock;
     }
 
     __host__ __device__ static auto CalculateNPadded(index_t N)
     {
-        return (N + NPerBlock - 1) / NPerBlock * NPerBlock;
+        return INTEGER_DIVIDE_CEIL(N, NPerBlock) * NPerBlock;
     }
 
     __host__ __device__ static auto CalculateKPadded(index_t K)
     {
-        return (K + KPerBlock - 1) / KPerBlock * KPerBlock;
+        return INTEGER_DIVIDE_CEIL(K, KPerBlock) * KPerBlock;
     }
+#undef INTEGER_DIVIDE_CEIL
 
     __host__ __device__ static auto CalculateAK0(index_t K)
     {