ComputationalGraphDiff.h

#pragma once
 
#if _MSC_VER >= 1900 && defined(_M_X64)
 
#include "ComputationalGraph.h"
 
namespace FLImaging
{
    namespace AI
    {
        template <typename T>
        class FL_EXPORT CComputationalGraphDiff : public CComputationalGraph<T>
        {
        private:
            CComputationalGraphDiff();
 
        protected:
            CComputationalGraphDiff(const CComputationalGraphDiff<T>& cg);
 
        public:
            CComputationalGraphDiff(const CComputationalBase<T>& cbOperand1, int64_t i64RepeatN = 1, int64_t i64Axis = -1);
            CComputationalGraphDiff(const CComputationalBase<T>& cbOperand1, int64_t i64RepeatN, int64_t i64Axis, const CTensor<T>& tsrPrepend);
            CComputationalGraphDiff(const CComputationalBase<T>& cbOperand1, int64_t i64RepeatN, int64_t i64Axis, const CTensor<T>& tsrPrepend, const CTensor<T>& tsrAppend);
            virtual ~CComputationalGraphDiff();
 
            virtual CTensor<T>& Forward() override;
            virtual CTensor<T>* Backward() override;
            virtual CComputationalBase<T>* Clone() const override;
            virtual const CResult PrintNodeParamInfo() const override;
 
            virtual const CResult GetBinaryData(Base::CFLData& fldBinary, bool bSuperClass = false, int32_t i32Version = -1, bool bDumpMode = false) const override;
            virtual const CResult GetBinaryData(Base::CFLData* pFldBinary, bool bSuperClass = false, int32_t i32Version = -1, bool bDumpMode = false) const override;
 
            virtual const CResult SetBinaryData(const Base::CFLData& fldBinary, int64_t* pI64Offset = nullptr) override;
            virtual const CResult SetBinaryData(const Base::CFLData* pFldBinary, int64_t* pI64Offset = nullptr) override;
 
            virtual const std::vector<int64_t>& GetEstimatedShape(bool bRecursive = true) const override;
            virtual int64_t GetRequiredDedicatedMemory(bool bTraining = false, bool bRecursively = true, int64_t i64BatchSize = 1) const override;
            virtual int64_t GetRequiredTemporaryMemory(bool bTraining = false, bool bRecursively = true, int64_t i64BatchSize = 1, int64_t i64MemoryIndex = 0) const override;
 
            DeclareGetClassType();
            SupportToDuplicateObjectWithoutCreateNewObject(CComputationalGraphDiff, *this);
 
        protected:
            virtual const CResult CalculateDerivative();
            virtual const CResult CalculateDerivative_Prepend();
            virtual const CResult CalculateDerivative_Append();
            virtual const CResult CalculateDerivative_Middle();
            int64_t m_i64RepeatN;
            int64_t m_i64Axis;
 
        public:
            DeclareGetSignletonObject(CComputationalGraphDiff);
        };
 
        #define CCGFDiff(...) (*(new CComputationalGraphDiff<float>(__VA_ARGS__)))
        #define CCGDDiff(...) (*(new CComputationalGraphDiff<double>(__VA_ARGS__)))
 
        #define CCGTDiff(T, ...) (*(new CComputationalGraphDiff<T>(__VA_ARGS__)))
    }
}
 
#endif