//! More...
Classes | |
class | arma_qsort_helper< eT > |
class | arma_qsort_helper< std::complex< T > > |
class | op_sort |
Functions | |
template<typename eT > | |
static void | op_sort::direct_sort (eT *X, const u32 N, const u32 sort_type=0) |
template<typename T1 > | |
static void | op_sort::apply (Mat< typename T1::elem_type > &out, const Op< T1, op_sort > &in) |
//!
void op_sort::direct_sort | ( | eT * | X, | |
const u32 | N, | |||
const u32 | sort_type = 0 | |||
) | [inline, static, inherited] |
Definition at line 150 of file op_sort_meat.hpp.
Referenced by apply().
{ arma_extra_debug_sigprint(); if(sort_type == 0) { std::qsort(X, n_elem, sizeof(eT), arma_qsort_helper<eT>::ascend_compare); } else { std::qsort(X, n_elem, sizeof(eT), arma_qsort_helper<eT>::descend_compare); } }
void op_sort::apply | ( | Mat< typename T1::elem_type > & | out, | |
const Op< T1, op_sort > & | in | |||
) | [inline, static, inherited] |
Definition at line 169 of file op_sort_meat.hpp.
References Mat< eT >::at(), Op< T1, op_type >::aux_u32_a, Op< T1, op_type >::aux_u32_b, Mat< eT >::colptr(), Mat< eT >::copy_size(), direct_sort(), Mat< eT >::is_finite(), unwrap< T1 >::M, Op< T1, op_type >::m, Mat< eT >::memptr(), podarray< eT >::memptr(), Mat< eT >::n_cols, Mat< eT >::n_elem, and Mat< eT >::n_rows.
{ arma_extra_debug_sigprint(); typedef typename T1::elem_type eT; const unwrap<T1> tmp(in.m); const Mat<eT>& X = tmp.M; const u32 sort_type = in.aux_u32_a; const u32 dim = in.aux_u32_b; arma_debug_check( (X.is_finite() == false), "sort(): given object has non-finite elements" ); arma_debug_check( (sort_type > 1), "sort(): incorrect usage. sort_type must be 0 or 1"); arma_debug_check( (dim > 1), "sort(): incorrect usage. dim must be 0 or 1" ); if(dim == 0) // column-wise { arma_extra_debug_print("op_sort::apply(), dim = 0"); out = X; for(u32 col=0; col<out.n_cols; ++col) { op_sort::direct_sort( out.colptr(col), out.n_rows, sort_type ); } } else if(dim == 1) // row-wise { if(X.n_rows != 1) // not a row vector { arma_extra_debug_print("op_sort::apply(), dim = 1, generic"); //out.set_size(X.n_rows, X.n_cols); out.copy_size(X); podarray<eT> tmp_array(X.n_cols); for(u32 row=0; row<out.n_rows; ++row) { for(u32 col=0; col<out.n_cols; ++col) { tmp_array[col] = X.at(row,col); } op_sort::direct_sort( tmp_array.memptr(), out.n_cols, sort_type ); for(u32 col=0; col<out.n_cols; ++col) { out.at(row,col) = tmp_array[col]; } } } else // a row vector { arma_extra_debug_print("op_sort::apply(), dim = 1, vector specific"); out = X; op_sort::direct_sort(out.memptr(), out.n_elem, sort_type); } } }