Glue_solve

Classes

class  glue_solve

Functions

template<typename T1 , typename T2 >
static void glue_solve::apply (Mat< typename T1::elem_type > &out, const Glue< T1, T2, glue_solve > &X)

Function Documentation

template<typename T1 , typename T2 >
void glue_solve::apply ( Mat< typename T1::elem_type > &  out,
const Glue< T1, T2, glue_solve > &  X 
) [inline, static, inherited]

Definition at line 25 of file glue_solve_meat.hpp.

References Glue< T1, T2, glue_type >::A, arma_print(), Glue< T1, T2, glue_type >::B, unwrap_check< T1 >::M, Mat< eT >::n_cols, Mat< eT >::n_rows, Mat< eT >::reset(), solve(), auxlib::solve_od(), and auxlib::solve_ud().

00026   {
00027   arma_extra_debug_sigprint();
00028   
00029   typedef typename T1::elem_type eT;
00030   
00031   const unwrap_check<T1> A_tmp(X.A, out);
00032   const unwrap_check<T2> B_tmp(X.B, out);
00033   
00034   const Mat<eT>& A = A_tmp.M;
00035   const Mat<eT>& B = B_tmp.M;
00036   
00037   arma_debug_check( (A.n_rows != B.n_rows), "solve(): number of rows in A and B must be the same" );
00038   
00039   bool status;
00040   
00041   if(A.n_rows == A.n_cols)
00042     {
00043     status = auxlib::solve(out, A, B);
00044     }
00045   else
00046   if(A.n_rows > A.n_cols)
00047     {
00048     arma_extra_debug_print("solve(): detected over-determined system");
00049     status = auxlib::solve_od(out, A, B);
00050     }
00051   else
00052     {
00053     arma_extra_debug_print("solve(): detected under-determined system");
00054     status = auxlib::solve_ud(out, A, B);
00055     }
00056   
00057   if(status == false)
00058     {
00059     out.reset();
00060     arma_print("solve(): solution not found");
00061     }
00062   }