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 22 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 32 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 57 of file subview_field_meat.hpp.
void subview_field< oT >::operator= | ( | const field< oT > & | x | ) | [inline, inherited] |
Definition at line 82 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.
00083 { 00084 arma_extra_debug_sigprint(); 00085 00086 subview_field<oT>& t = *this; 00087 00088 arma_debug_check( (t.n_rows != x.n_rows) || (t.n_cols != x.n_cols), "incompatible field dimensions"); 00089 00090 for(u32 col=0; col<t.n_cols; ++col) 00091 { 00092 for(u32 row=0; row<t.n_rows; ++row) 00093 { 00094 t.at(row,col) = x.at(row,col); 00095 } 00096 } 00097 }
void subview_field< oT >::operator= | ( | const subview_field< oT > & | x | ) | [inline, inherited] |
x.subfield(...) = y.subfield(...)
Definition at line 105 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.
00106 { 00107 arma_extra_debug_sigprint(); 00108 00109 const bool overlap = check_overlap(x_in); 00110 00111 field<oT>* tmp_field = overlap ? new field<oT>(x_in.f) : 0; 00112 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; 00113 const subview_field<oT>& x = overlap ? (*tmp_subview) : x_in; 00114 00115 subview_field<oT>& t = *this; 00116 00117 arma_debug_check( (t.n_rows != x.n_rows) || (t.n_cols != x.n_cols), "incompatible field dimensions"); 00118 00119 for(u32 col=0; col<t.n_cols; ++col) 00120 { 00121 for(u32 row=0; row<t.n_rows; ++row) 00122 { 00123 t.at(row,col) = x.at(row,col); 00124 } 00125 } 00126 00127 if(overlap) 00128 { 00129 delete tmp_subview; 00130 delete tmp_field; 00131 } 00132 }
arma_inline oT & subview_field< oT >::operator[] | ( | const u32 | i | ) | [inline, inherited] |
Definition at line 139 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.
00140 { 00141 arma_check( (f_ptr == 0), "subview_field::operator[]: field is read-only"); 00142 00143 const u32 in_col = i / n_rows; 00144 const u32 in_row = i % n_rows; 00145 00146 const u32 index = (in_col + aux_col1)*f.n_rows + aux_row1 + in_row; 00147 00148 return *((*f_ptr).mem[index]); 00149 }
arma_inline const oT & subview_field< oT >::operator[] | ( | const u32 | i | ) | const [inline, inherited] |
Definition at line 156 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 171 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.
00172 { 00173 arma_check( (f_ptr == 0), "subview_field::operator(): field is read-only"); 00174 arma_debug_check( (i >= n_elem), "subview_field::operator(): index out of bounds"); 00175 00176 const u32 in_col = i / n_rows; 00177 const u32 in_row = i % n_rows; 00178 00179 const u32 index = (in_col + aux_col1)*f.n_rows + aux_row1 + in_row; 00180 00181 return *((*f_ptr).mem[index]); 00182 }
arma_inline const oT & subview_field< oT >::operator() | ( | const u32 | i | ) | const [inline, inherited] |
Definition at line 189 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.
00190 { 00191 arma_debug_check( (i >= n_elem), "subview_field::operator(): index out of bounds"); 00192 00193 const u32 in_col = i / n_rows; 00194 const u32 in_row = i % n_rows; 00195 00196 const u32 index = (in_col + aux_col1)*f.n_rows + aux_row1 + in_row; 00197 00198 return *(f.mem[index]); 00199 }
arma_inline oT & subview_field< oT >::operator() | ( | const u32 | row, | |
const u32 | col | |||
) | [inline, inherited] |
Definition at line 206 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.
00207 { 00208 arma_check( (f_ptr == 0), "subview_field::operator(): field is read-only"); 00209 arma_debug_check( ((in_row >= n_rows) || (in_col >= n_cols)), "subview_field::operator(): index out of bounds"); 00210 00211 const u32 index = (in_col + aux_col1)*f.n_rows + aux_row1 + in_row; 00212 00213 return *((*f_ptr).mem[index]); 00214 }
arma_inline const oT & subview_field< oT >::operator() | ( | const u32 | row, | |
const u32 | col | |||
) | const [inline, inherited] |
Definition at line 221 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 235 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 251 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 265 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=().
00266 { 00267 const subview_field<oT>& t = *this; 00268 00269 if(&t.f != &x.f) 00270 { 00271 return false; 00272 } 00273 else 00274 { 00275 const bool row_overlap = 00276 ( 00277 ( (x.aux_row1 >= t.aux_row1) && (x.aux_row1 <= t.aux_row2) ) 00278 || 00279 ( (x.aux_row2 >= t.aux_row1) && (x.aux_row2 <= t.aux_row2) ) 00280 ); 00281 00282 const bool col_overlap = 00283 ( 00284 ( (x.aux_col1 >= t.aux_col1) && (x.aux_col1 <= t.aux_col2) ) 00285 || 00286 ( (x.aux_col2 >= t.aux_col1) && (x.aux_col2 <= t.aux_col2) ) 00287 ); 00288 00289 00290 return (row_overlap & col_overlap); 00291 } 00292 }
void subview_field< oT >::extract | ( | field< oT > & | out, | |
const subview_field< oT > & | in | |||
) | [inline, static, inherited] |
X = Y.subfield(...).
Definition at line 300 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().
00301 { 00302 arma_extra_debug_sigprint(); 00303 00304 // 00305 const bool alias = (&actual_out == &in.f); 00306 00307 field<oT>* tmp = (alias) ? new field<oT> : 0; 00308 field<oT>& out = (alias) ? (*tmp) : actual_out; 00309 00310 // 00311 00312 const u32 n_rows = in.n_rows; 00313 const u32 n_cols = in.n_cols; 00314 00315 out.set_size(n_rows, n_cols); 00316 00317 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 ); 00318 00319 for(u32 col = 0; col<n_cols; ++col) 00320 { 00321 for(u32 row = 0; row<n_rows; ++row) 00322 { 00323 out.at(row,col) = in.at(row,col); 00324 } 00325 } 00326 00327 00328 if(alias) 00329 { 00330 actual_out = out; 00331 delete tmp; 00332 } 00333 00334 }