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_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 | |||
) | [inline, protected, inherited] |
Definition at line 33 of file subview_field_meat.hpp.
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 | |||
) | [inline, protected, inherited] |
Definition at line 58 of file subview_field_meat.hpp.
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.
00084 { 00085 arma_extra_debug_sigprint(); 00086 00087 subview_field<oT>& t = *this; 00088 00089 arma_debug_check( (t.n_rows != x.n_rows) || (t.n_cols != x.n_cols), "incompatible field dimensions"); 00090 00091 for(u32 col=0; col<t.n_cols; ++col) 00092 { 00093 for(u32 row=0; row<t.n_rows; ++row) 00094 { 00095 t.at(row,col) = x.at(row,col); 00096 } 00097 } 00098 }
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.
00107 { 00108 arma_extra_debug_sigprint(); 00109 00110 const bool overlap = check_overlap(x_in); 00111 00112 field<oT>* tmp_field = overlap ? new field<oT>(x_in.f) : 0; 00113 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; 00114 const subview_field<oT>& x = overlap ? (*tmp_subview) : x_in; 00115 00116 subview_field<oT>& t = *this; 00117 00118 arma_debug_check( (t.n_rows != x.n_rows) || (t.n_cols != x.n_cols), "incompatible field dimensions"); 00119 00120 for(u32 col=0; col<t.n_cols; ++col) 00121 { 00122 for(u32 row=0; row<t.n_rows; ++row) 00123 { 00124 t.at(row,col) = x.at(row,col); 00125 } 00126 } 00127 00128 if(overlap) 00129 { 00130 delete tmp_subview; 00131 delete tmp_field; 00132 } 00133 }
arma_inline oT & subview_field< oT >::operator[] | ( | const u32 | i | ) | [inline, 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.
00141 { 00142 arma_check( (f_ptr == 0), "subview_field::operator[]: field is read-only"); 00143 00144 const u32 in_col = i / n_rows; 00145 const u32 in_row = i % n_rows; 00146 00147 const u32 index = (in_col + aux_col1)*f.n_rows + aux_row1 + in_row; 00148 00149 return *((*f_ptr).mem[index]); 00150 }
arma_inline const oT & subview_field< oT >::operator[] | ( | const u32 | i | ) | const [inline, 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 | ) | [inline, 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.
00173 { 00174 arma_check( (f_ptr == 0), "subview_field::operator(): field is read-only"); 00175 arma_debug_check( (i >= n_elem), "subview_field::operator(): index out of bounds"); 00176 00177 const u32 in_col = i / n_rows; 00178 const u32 in_row = i % n_rows; 00179 00180 const u32 index = (in_col + aux_col1)*f.n_rows + aux_row1 + in_row; 00181 00182 return *((*f_ptr).mem[index]); 00183 }
arma_inline const oT & subview_field< oT >::operator() | ( | const u32 | i | ) | const [inline, 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.
00191 { 00192 arma_debug_check( (i >= n_elem), "subview_field::operator(): index out of bounds"); 00193 00194 const u32 in_col = i / n_rows; 00195 const u32 in_row = i % n_rows; 00196 00197 const u32 index = (in_col + aux_col1)*f.n_rows + aux_row1 + in_row; 00198 00199 return *(f.mem[index]); 00200 }
arma_inline oT & subview_field< oT >::operator() | ( | const u32 | row, | |
const u32 | col | |||
) | [inline, 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.
00208 { 00209 arma_check( (f_ptr == 0), "subview_field::operator(): field is read-only"); 00210 arma_debug_check( ((in_row >= n_rows) || (in_col >= n_cols)), "subview_field::operator(): index out of bounds"); 00211 00212 const u32 index = (in_col + aux_col1)*f.n_rows + aux_row1 + in_row; 00213 00214 return *((*f_ptr).mem[index]); 00215 }
arma_inline const oT & subview_field< oT >::operator() | ( | const u32 | row, | |
const u32 | col | |||
) | const [inline, 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 | |||
) | [inline, 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 [inline, 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=().
00267 { 00268 const subview_field<oT>& t = *this; 00269 00270 if(&t.f != &x.f) 00271 { 00272 return false; 00273 } 00274 else 00275 { 00276 const bool row_overlap = 00277 ( 00278 ( (x.aux_row1 >= t.aux_row1) && (x.aux_row1 <= t.aux_row2) ) 00279 || 00280 ( (x.aux_row2 >= t.aux_row1) && (x.aux_row2 <= t.aux_row2) ) 00281 ); 00282 00283 const bool col_overlap = 00284 ( 00285 ( (x.aux_col1 >= t.aux_col1) && (x.aux_col1 <= t.aux_col2) ) 00286 || 00287 ( (x.aux_col2 >= t.aux_col1) && (x.aux_col2 <= t.aux_col2) ) 00288 ); 00289 00290 00291 return (row_overlap & col_overlap); 00292 } 00293 }
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().
00302 { 00303 arma_extra_debug_sigprint(); 00304 00305 // 00306 const bool alias = (&actual_out == &in.f); 00307 00308 field<oT>* tmp = (alias) ? new field<oT> : 0; 00309 field<oT>& out = (alias) ? (*tmp) : actual_out; 00310 00311 // 00312 00313 const u32 n_rows = in.n_rows; 00314 const u32 n_cols = in.n_cols; 00315 00316 out.set_size(n_rows, n_cols); 00317 00318 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 ); 00319 00320 for(u32 col = 0; col<n_cols; ++col) 00321 { 00322 for(u32 row = 0; row<n_rows; ++row) 00323 { 00324 out.at(row,col) = in.at(row,col); 00325 } 00326 } 00327 00328 00329 if(alias) 00330 { 00331 actual_out = out; 00332 delete tmp; 00333 } 00334 00335 }