message: use optimized_ops::TanH directly
diff: @@ -373,11 +373,8 @@ TfLiteStatus TanhEval(TfLiteContext* context, TfLiteNode* node) {
  TfLiteTensor* output = GetOutput(context, node, 0);
  switch (input->type) {
  case kTfLiteFloat32: {
  - size_t elements = input->bytes / sizeof(float);
  - float* in = input->data.f;
  - float* in_end = in + elements;
  - float* out = output->data.f;
  - for (; in < in_end; in++, out++) *out = std::tanh(*in);
  + optimized_ops::Tanh(GetTensorShape(input), GetTensorData<float>(input),
  + GetTensorShape(output), GetTensorData<float>(output));
  return kTfLiteOk;
  } break;
  case kTfLiteInt16: {
  