fp32 fix

Author: Dmitry Razdoburdin

plugin/sycl/context_helper.cc

@@ -14,7 +14,11 @@ namespace sycl {
 
 DeviceOrd DeviceFP64(const DeviceOrd& device) {
   DeviceManager device_manager;
-  bool support_fp64 = device_manager.GetQueue(device)->get_device().has(::sycl::aspect::fp64);
+  bool support_fp64 = true;
+  if (device.IsSycl()) {
+    support_fp64 = device_manager.GetQueue(device)->get_device().has(::sycl::aspect::fp64);
+  }
+
   if (support_fp64) {
     return device;
   } else {

src/objective/multiclass_obj.cu

@@ -113,7 +113,10 @@ class SoftmaxMultiClassObj : public ObjFunction {
     auto weights = common::MakeOptionalWeights(device, info.weights_);
 
     preds.SetDevice(device);
-    auto predt = linalg::MakeTensorView(this->ctx_, &preds, n_samples, n_classes);
+    Context cpu_context = Context();
+    auto predt = linalg::MakeTensorView(
+      device == ctx_->Device() ? this->ctx_ : &cpu_context,
+      &preds, n_samples, n_classes);
     CHECK_EQ(labels.Shape(1), 1);
     auto y1d = labels.Slice(linalg::All(), 0);
     CHECK_EQ(y1d.Shape(0), info.num_row_);