Method GpuCastOp

tensorflow/core/kernels/cast_op.cc:175–177

class GpuCastOp : public CastOpBase {
 public:
  explicit GpuCastOp(OpKernelConstruction* ctx) : CastOpBase(ctx) {
    OP_REQUIRES_OK(ctx, Prepare());
  }

 private:
  Status Prepare() {