using ops::Placeholder;
using ops::Pow;
using ops::Prod;
using ops::RealDiv;
using ops::SegmentSum;
using ops::SelectV2;
using ops::SquaredDifference;
using ops::Sub;
using ops::Sum;
using ops::UnsortedSegmentMax;
using ops::UnsortedSegmentMin;
using ops::UnsortedSegmentSum;
using ops::Where3;

// TODO(andydavis) Test gradient function against numeric gradients output.