Method SymGrad

tensorflow/core/ops/math_grad_test.cc:103–107

Unary op expecting OK.

  // Unary op expecting OK.
  Tensor SymGrad(const string& op, const Tensor& x) {
    Tensor ret;
    TF_CHECK_OK(Unary(op, x, &ret));
    return ret;
  }

  Tensor SymCastGrad(const Tensor& x, const DataType dst) {
    Tensor ret;