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Up-> CppAD speed speed_double double_det_minor.cpp

CppAD-> Install Introduction AD ADFun preprocessor multi_thread utility ipopt_solve Example speed Appendix

speed-> speed_main speed_utility speed_double speed_adolc speed_cppad speed_fadbad speed_sacado

speed_double-> double_det_minor.cpp double_det_lu.cpp double_mat_mul.cpp double_ode.cpp double_poly.cpp double_sparse_hessian.cpp double_sparse_jacobian.cpp

double_det_minor.cpp

Headings-> Specifications Implementation

# include <cppad/utility/vector.hpp>
# include <cppad/speed/det_by_minor.hpp>
# include <cppad/speed/uniform_01.hpp>

// Note that CppAD uses global_option["memory"] at the main program level
# include <map>
extern std::map<std::string, bool> global_option;

bool link_det_minor(
     size_t                     size     ,
     size_t                     repeat   ,
     CppAD::vector<double>     &matrix   ,
     CppAD::vector<double>     &det      )
{
     if(global_option["onetape"]||global_option["atomic"]||global_option["optimize"])
          return false;
     // -----------------------------------------------------
     // setup
     CppAD::det_by_minor<double>   Det(size);
     size_t n = size * size; // number of independent variables

     // ------------------------------------------------------
     while(repeat--)
     {     // get the next matrix
          CppAD::uniform_01(n, matrix);

          // computation of the determinant
          det[0] = Det(matrix);
     }
     return true;
}