Template Struct DfDy

Struct Documentation

template<typename ModelT, MemberFunctions function>
struct DfDy

Enzyme automatic differentiation Jacobian evaluator: Internal Jacobian, df/dy.

Template Parameters:

  • ModelT – - model type

  • MemberFunctions – - member function parameter key

Public Static Functions

static inline void eval(ModelT *model, const size_t n_res, const size_t n_var, const IdxT *res_indices, const IdxT *var_indices, const ScalarT *y, const ScalarT *yp, const ScalarT *wb, IdxT *rows, IdxT *cols, RealT *vals, IdxT &nnz)
Parameters:

  • model – [in] - Pointer to the model to be differentiated

  • n_res – [in] - Number of residual functions

  • n_var – [in] - Number of independent variables

  • res_indices – [in] - Global residual indices

  • var_indices – [in] - Global variable indices

  • y – [in] - Internal variables

  • yp – [in] - Internal variable derivatives

  • wb – [in] - Bus variables

  • rows – [out] - Row indices

  • cols – [out] - Column indices

  • vals – [out] - Values

  • nnz – [out] - Number of nonzeros

static inline void eval(ModelT *model, const size_t n_res, const size_t n_var, const IdxT *res_indices, const IdxT *var_indices, const ScalarT *y, const ScalarT *yp, const ScalarT *wb, const ScalarT *ws, IdxT *rows, IdxT *cols, RealT *vals, IdxT &nnz)
Parameters:

  • model – [in] - Pointer to the model to be differentiated

  • n_res – [in] - Number of residual functions

  • n_var – [in] - Number of independent variables

  • res_indices – [in] - Map from local residual indices to global indices

  • var_indices – [in] - Map from local variable indices to global indices

  • y – [in] - Internal variables

  • yp – [in] - Internal variable derivatives

  • wb – [in] - Bus variables

  • ws – [in] - Signal variables

  • rows – [out] - Row indices

  • cols – [out] - Column indices

  • vals – [out] - Values

  • nnz – [out] - Number of nonzeros