SYCL ggml-sycl: pool2D use sycl::nan and remove if-else block

Author: qnixsynapse

ggml/src/ggml-sycl/ggml-sycl.cpp

@@ -1789,14 +1789,12 @@ static  void pool2d_nchw_kernel(
         const int ew = sycl::min(iw, start_w + kw);
 
         To res = 0;
-        bool op_valid = true;
 
         switch (op) {
             case GGML_OP_POOL_AVG: res = 0; break;
             case GGML_OP_POOL_MAX: res = -FLT_MAX; break;
             default:
-                res      = NAN;
-                op_valid = false;
+                res      = (To) sycl::nan(uint32_t(0));
                 break;
         }
 
@@ -1817,16 +1815,12 @@ static  void pool2d_nchw_kernel(
                     case GGML_OP_POOL_AVG: res += (cur / (kh * kw)); break;
                     case GGML_OP_POOL_MAX: res = sycl::max(res, (To)cur); break;
                     default:
-                        op_valid = false;
+                        res = (To) sycl::nan(uint32_t(0));
                         break;
                 }
             }
         }
-        if (op_valid) {
-            o_ptr[cur_oh * ow + cur_ow] = res;
-        } else {
-            o_ptr[cur_oh * ow + cur_ow] = NAN;
-        }
+        o_ptr[cur_oh * ow + cur_ow] = res;
 }
 
 template <int qk, int qr, dequantize_kernel_t dq>