|  | #ifndef CAFFE2_OPERATORS_COS_OP_H_ | 
|  | #define CAFFE2_OPERATORS_COS_OP_H_ | 
|  |  | 
|  | #include <vector> | 
|  |  | 
|  | #include "caffe2/operators/elementwise_ops.h" | 
|  | #include "caffe2/utils/math.h" | 
|  |  | 
|  | namespace caffe2 { | 
|  |  | 
|  | template <class Context> | 
|  | struct CosFunctor { | 
|  | template <typename T> | 
|  | bool operator()(const int N, const T* X, T* Y, Context* context) const { | 
|  | math::Cos(N, X, Y, context); | 
|  | return true; | 
|  | } | 
|  | }; | 
|  |  | 
|  | template <class Context> | 
|  | struct CosGradientFunctor { | 
|  | template <typename T> | 
|  | bool Forward( | 
|  | const std::vector<int>& X_dims, | 
|  | const std::vector<int>& dY_dims, | 
|  | const T* X, | 
|  | const T* dY, | 
|  | T* dX, | 
|  | Context* context) const; | 
|  | }; | 
|  |  | 
|  | } // namespace caffe2 | 
|  |  | 
|  | #endif // CAFFE2_OPERATORS_COS_OP_H_ |