//! More...
Classes | |
class | subview_field< oT > |
Class for storing data required to construct or apply operations to a subfield //! (i.e. where the subfield starts and ends as well as a reference/pointer to the original field),. More... | |
Functions | |
subview_field::~subview_field () | |
arma_inline | subview_field::subview_field (const field< oT > &in_f, const u32 in_row1, const u32 in_col1, const u32 in_row2, const u32 in_col2) |
arma_inline | subview_field::subview_field (field< oT > &in_f, const u32 in_row1, const u32 in_col1, const u32 in_row2, const u32 in_col2) |
void | subview_field::operator= (const field< oT > &x) |
void | subview_field::operator= (const subview_field &x) |
x.subfield(...) = y.subfield(...) | |
arma_inline oT & | subview_field::operator[] (const u32 i) |
arma_inline const oT & | subview_field::operator[] (const u32 i) const |
arma_inline oT & | subview_field::operator() (const u32 i) |
arma_inline const oT & | subview_field::operator() (const u32 i) const |
arma_inline oT & | subview_field::operator() (const u32 row, const u32 col) |
arma_inline const oT & | subview_field::operator() (const u32 row, const u32 col) const |
arma_inline oT & | subview_field::at (const u32 row, const u32 col) |
arma_inline const oT & | subview_field::at (const u32 row, const u32 col) const |
bool | subview_field::check_overlap (const subview_field &x) const |
static void | subview_field::extract (field< oT > &out, const subview_field &in) |
X = Y.subfield(...). |
//!
subview_field< oT >::~subview_field | ( | ) | [inline, inherited] |
Definition at line 23 of file subview_field_meat.hpp.
{ arma_extra_debug_sigprint(); }
arma_inline subview_field< oT >::subview_field | ( | const field< oT > & | in_f, | |
const u32 | in_row1, | |||
const u32 | in_col1, | |||
const u32 | in_row2, | |||
const u32 | in_col2 | |||
) | [protected, inherited] |
arma_inline subview_field< oT >::subview_field | ( | field< oT > & | in_f, | |
const u32 | in_row1, | |||
const u32 | in_col1, | |||
const u32 | in_row2, | |||
const u32 | in_col2 | |||
) | [protected, inherited] |
void subview_field< oT >::operator= | ( | const field< oT > & | x | ) | [inline, inherited] |
Definition at line 83 of file subview_field_meat.hpp.
References field< oT >::at(), subview_field< oT >::at(), field< oT >::n_cols, subview_field< oT >::n_cols, field< oT >::n_rows, and subview_field< oT >::n_rows.
void subview_field< oT >::operator= | ( | const subview_field< oT > & | x | ) | [inline, inherited] |
x.subfield(...) = y.subfield(...)
Definition at line 106 of file subview_field_meat.hpp.
References subview_field< oT >::at(), subview_field< oT >::aux_col1, subview_field< oT >::aux_col2, subview_field< oT >::aux_row1, subview_field< oT >::aux_row2, subview_field< oT >::check_overlap(), subview_field< oT >::f, subview_field< oT >::n_cols, and subview_field< oT >::n_rows.
{ arma_extra_debug_sigprint(); const bool overlap = check_overlap(x_in); field<oT>* tmp_field = overlap ? new field<oT>(x_in.f) : 0; const subview_field<oT>* tmp_subview = overlap ? new subview_field<oT>(*tmp_field, x_in.aux_row1, x_in.aux_col1, x_in.aux_row2, x_in.aux_col2) : 0; const subview_field<oT>& x = overlap ? (*tmp_subview) : x_in; subview_field<oT>& t = *this; arma_debug_check( (t.n_rows != x.n_rows) || (t.n_cols != x.n_cols), "incompatible field dimensions"); for(u32 col=0; col<t.n_cols; ++col) { for(u32 row=0; row<t.n_rows; ++row) { t.at(row,col) = x.at(row,col); } } if(overlap) { delete tmp_subview; delete tmp_field; } }
arma_inline oT & subview_field< oT >::operator[] | ( | const u32 | i | ) | [inherited] |
Definition at line 140 of file subview_field_meat.hpp.
References arma_check(), subview_field< oT >::aux_col1, subview_field< oT >::aux_row1, subview_field< oT >::f, subview_field< oT >::f_ptr, and subview_field< oT >::n_rows.
arma_inline const oT & subview_field< oT >::operator[] | ( | const u32 | i | ) | const [inherited] |
Definition at line 157 of file subview_field_meat.hpp.
References subview_field< oT >::aux_col1, subview_field< oT >::aux_row1, subview_field< oT >::f, and subview_field< oT >::n_rows.
arma_inline oT & subview_field< oT >::operator() | ( | const u32 | i | ) | [inherited] |
Definition at line 172 of file subview_field_meat.hpp.
References arma_check(), subview_field< oT >::aux_col1, subview_field< oT >::aux_row1, subview_field< oT >::f, subview_field< oT >::f_ptr, subview_field< oT >::n_elem, and subview_field< oT >::n_rows.
{ arma_check( (f_ptr == 0), "subview_field::operator(): field is read-only"); arma_debug_check( (i >= n_elem), "subview_field::operator(): index out of bounds"); const u32 in_col = i / n_rows; const u32 in_row = i % n_rows; const u32 index = (in_col + aux_col1)*f.n_rows + aux_row1 + in_row; return *((*f_ptr).mem[index]); }
arma_inline const oT & subview_field< oT >::operator() | ( | const u32 | i | ) | const [inherited] |
Definition at line 190 of file subview_field_meat.hpp.
References subview_field< oT >::aux_col1, subview_field< oT >::aux_row1, subview_field< oT >::f, subview_field< oT >::n_elem, and subview_field< oT >::n_rows.
arma_inline oT & subview_field< oT >::operator() | ( | const u32 | row, | |
const u32 | col | |||
) | [inherited] |
Definition at line 207 of file subview_field_meat.hpp.
References arma_check(), subview_field< oT >::aux_col1, subview_field< oT >::aux_row1, subview_field< oT >::f, subview_field< oT >::f_ptr, subview_field< oT >::n_cols, and subview_field< oT >::n_rows.
arma_inline const oT & subview_field< oT >::operator() | ( | const u32 | row, | |
const u32 | col | |||
) | const [inherited] |
Definition at line 222 of file subview_field_meat.hpp.
References subview_field< oT >::aux_col1, subview_field< oT >::aux_row1, subview_field< oT >::f, subview_field< oT >::n_cols, and subview_field< oT >::n_rows.
arma_inline oT & subview_field< oT >::at | ( | const u32 | row, | |
const u32 | col | |||
) | [inherited] |
Definition at line 236 of file subview_field_meat.hpp.
References arma_check(), subview_field< oT >::aux_col1, subview_field< oT >::aux_row1, subview_field< oT >::f, and subview_field< oT >::f_ptr.
Referenced by subview_field< oT >::extract(), subview_field< oT >::operator=(), and arma_ostream::print().
arma_inline const oT & subview_field< oT >::at | ( | const u32 | row, | |
const u32 | col | |||
) | const [inherited] |
Definition at line 252 of file subview_field_meat.hpp.
References subview_field< oT >::aux_col1, subview_field< oT >::aux_row1, and subview_field< oT >::f.
bool subview_field< oT >::check_overlap | ( | const subview_field< oT > & | x | ) | const [inline, inherited] |
Definition at line 266 of file subview_field_meat.hpp.
References subview_field< oT >::aux_col1, subview_field< oT >::aux_col2, subview_field< oT >::aux_row1, subview_field< oT >::aux_row2, and subview_field< oT >::f.
Referenced by subview_field< oT >::operator=().
{ const subview_field<oT>& t = *this; if(&t.f != &x.f) { return false; } else { const bool row_overlap = ( ( (x.aux_row1 >= t.aux_row1) && (x.aux_row1 <= t.aux_row2) ) || ( (x.aux_row2 >= t.aux_row1) && (x.aux_row2 <= t.aux_row2) ) ); const bool col_overlap = ( ( (x.aux_col1 >= t.aux_col1) && (x.aux_col1 <= t.aux_col2) ) || ( (x.aux_col2 >= t.aux_col1) && (x.aux_col2 <= t.aux_col2) ) ); return (row_overlap & col_overlap); } }
void subview_field< oT >::extract | ( | field< oT > & | out, | |
const subview_field< oT > & | in | |||
) | [inline, static, inherited] |
X = Y.subfield(...).
Definition at line 301 of file subview_field_meat.hpp.
References subview_field< oT >::at(), field< oT >::at(), subview_field< oT >::f, field< oT >::n_cols, subview_field< oT >::n_cols, field< oT >::n_rows, subview_field< oT >::n_rows, and field< oT >::set_size().
{ arma_extra_debug_sigprint(); // const bool alias = (&actual_out == &in.f); field<oT>* tmp = (alias) ? new field<oT> : 0; field<oT>& out = (alias) ? (*tmp) : actual_out; // const u32 n_rows = in.n_rows; const u32 n_cols = in.n_cols; out.set_size(n_rows, n_cols); arma_extra_debug_print(arma_boost::format("out.n_rows = %d out.n_cols = %d in.m.n_rows = %d in.m.n_cols = %d") % out.n_rows % out.n_cols % in.f.n_rows % in.f.n_cols ); for(u32 col = 0; col<n_cols; ++col) { for(u32 row = 0; row<n_rows; ++row) { out.at(row,col) = in.at(row,col); } } if(alias) { actual_out = out; delete tmp; } }