message: Use the explicit poplar IEEE half type
diff: @@ -106,7 +106,7 @@ AddConstantTensor(poplar::Graph& graph,
  AddConstantTensorTyped<int>(graph, literal, shape, type, tensor);
  break;
  case F16:
  - AddConstantTensorTyped<half>(graph, literal, shape, type, tensor);
  + AddConstantTensorTyped<poplar::IeeeHalf>(graph, literal, shape, type, tensor);
  break;
  case F32:
  AddConstantTensorTyped<float>(graph, literal, shape, type, tensor);
  