//! More...
Classes | |
class | subview< eT > |
Class for storing data required to construct or apply operations to a submatrix //! (i.e. where the submatrix starts and ends as well as a reference/pointer to the original matrix),. More... | |
class | subview_col< eT > |
class | subview_row< eT > |
Functions | |
subview::~subview () | |
arma_inline | subview::subview (const Mat< eT > &in_m, const u32 in_row1, const u32 in_col1, const u32 in_row2, const u32 in_col2) |
arma_inline | subview::subview (Mat< eT > &in_m, const u32 in_row1, const u32 in_col1, const u32 in_row2, const u32 in_col2) |
void | subview::fill (const eT val) |
void | subview::operator+= (const eT val) |
void | subview::operator-= (const eT val) |
void | subview::operator*= (const eT val) |
void | subview::operator/= (const eT val) |
template<typename T1 > | |
void | subview::operator_equ_mat (const Base< eT, T1 > &x) |
template<typename T1 > | |
void | subview::operator_equ_proxy (const Base< eT, T1 > &x) |
template<typename T1 > | |
void | subview::operator= (const Base< eT, T1 > &x) |
template<typename T1 > | |
void | subview::operator+= (const Base< eT, T1 > &x) |
template<typename T1 > | |
void | subview::operator-= (const Base< eT, T1 > &x) |
template<typename T1 > | |
void | subview::operator%= (const Base< eT, T1 > &x) |
template<typename T1 > | |
void | subview::operator/= (const Base< eT, T1 > &x) |
void | subview::operator= (const subview &x) |
x.submat(...) = y.submat(...) | |
void | subview::operator+= (const subview &x) |
void | subview::operator-= (const subview &x) |
void | subview::operator%= (const subview &x) |
void | subview::operator/= (const subview &x) |
void | subview::zeros () |
arma_inline eT & | subview::operator[] (const u32 i) |
arma_inline eT | subview::operator[] (const u32 i) const |
arma_inline eT & | subview::operator() (const u32 i) |
arma_inline eT | subview::operator() (const u32 i) const |
arma_inline eT & | subview::operator() (const u32 in_row, const u32 in_col) |
arma_inline eT | subview::operator() (const u32 in_row, const u32 in_col) const |
arma_inline eT & | subview::at (const u32 in_row, const u32 in_col) |
arma_inline eT | subview::at (const u32 in_row, const u32 in_col) const |
arma_inline eT * | subview::colptr (const u32 in_col) |
arma_inline const eT * | subview::colptr (const u32 in_col) const |
bool | subview::check_overlap (const subview &x) const |
bool | subview::is_vec () const |
static void | subview::extract (Mat< eT > &out, const subview &in) |
X = Y.submat(...). | |
static void | subview::plus_inplace (Mat< eT > &out, const subview &in) |
X += Y.submat(...). | |
static void | subview::minus_inplace (Mat< eT > &out, const subview &in) |
X -= Y.submat(...). | |
static void | subview::schur_inplace (Mat< eT > &out, const subview &in) |
X = Y.submat(...). | |
static void | subview::div_inplace (Mat< eT > &out, const subview &in) |
X /= Y.submat(...). | |
arma_inline | subview_col::subview_col (const Mat< eT > &in_m, const u32 in_col) |
arma_inline | subview_col::subview_col (Mat< eT > &in_m, const u32 in_col) |
arma_inline | subview_col::subview_col (const Mat< eT > &in_m, const u32 in_col, const u32 in_row1, const u32 in_row2) |
arma_inline | subview_col::subview_col (Mat< eT > &in_m, const u32 in_col, const u32 in_row1, const u32 in_row2) |
void | subview_col::operator= (const subview< eT > &x) |
x.submat(...) = y.submat(...) | |
void | subview_col::operator= (const subview_col &x) |
template<typename T1 > | |
void | subview_col::operator= (const Base< eT, T1 > &x) |
arma_inline | subview_row::subview_row (const Mat< eT > &in_m, const u32 in_row) |
arma_inline | subview_row::subview_row (Mat< eT > &in_m, const u32 in_row) |
arma_inline | subview_row::subview_row (const Mat< eT > &in_m, const u32 in_row, const u32 in_col1, const u32 in_col2) |
arma_inline | subview_row::subview_row (Mat< eT > &in_m, const u32 in_row, const u32 in_col1, const u32 in_col2) |
void | subview_row::operator= (const subview< eT > &x) |
x.submat(...) = y.submat(...) | |
void | subview_row::operator= (const subview_row &x) |
template<typename T1 > | |
void | subview_row::operator= (const Base< eT, T1 > &x) |
//!
Definition at line 23 of file subview_meat.hpp.
{ arma_extra_debug_sigprint(); }
void subview< eT >::fill | ( | const eT | val | ) | [inline, inherited] |
Definition at line 68 of file subview_meat.hpp.
References field< oT >::col(), subview< eT >::colptr(), subview< eT >::n_cols, subview< eT >::n_rows, and field< oT >::row().
void subview< eT >::operator+= | ( | const eT | val | ) | [inline, inherited] |
Definition at line 90 of file subview_meat.hpp.
References field< oT >::col(), subview< eT >::colptr(), subview< eT >::n_cols, subview< eT >::n_rows, and field< oT >::row().
void subview< eT >::operator-= | ( | const eT | val | ) | [inline, inherited] |
Definition at line 112 of file subview_meat.hpp.
References field< oT >::col(), subview< eT >::colptr(), subview< eT >::n_cols, subview< eT >::n_rows, and field< oT >::row().
void subview< eT >::operator*= | ( | const eT | val | ) | [inline, inherited] |
Definition at line 134 of file subview_meat.hpp.
References field< oT >::col(), subview< eT >::colptr(), subview< eT >::n_cols, subview< eT >::n_rows, and field< oT >::row().
void subview< eT >::operator/= | ( | const eT | val | ) | [inline, inherited] |
Definition at line 156 of file subview_meat.hpp.
References field< oT >::col(), subview< eT >::colptr(), subview< eT >::n_cols, subview< eT >::n_rows, and field< oT >::row().
void subview< eT >::operator_equ_mat | ( | const Base< eT, T1 > & | x | ) | [inline, inherited] |
Definition at line 179 of file subview_meat.hpp.
References field< oT >::col(), subview< eT >::colptr(), syslib::copy_elem(), Base< elem_type, derived >::get_ref(), subview< eT >::n_cols, and subview< eT >::n_rows.
Referenced by subview< eT >::operator=().
{ arma_extra_debug_sigprint(); const unwrap<T1> tmp(in.get_ref()); const Mat<eT>& x = tmp.M; subview<eT>& t = *this; arma_debug_assert_same_size(t, x, "insert into submatrix"); const u32 t_n_cols = t.n_cols; const u32 t_n_rows = t.n_rows; for(u32 col=0; col<t_n_cols; ++col) { syslib::copy_elem( t.colptr(col), x.colptr(col), t_n_rows ); } }
void subview< eT >::operator_equ_proxy | ( | const Base< eT, T1 > & | x | ) | [inline, inherited] |
Definition at line 205 of file subview_meat.hpp.
References field< oT >::col(), Base< elem_type, derived >::get_ref(), and field< oT >::row().
Referenced by subview< eT >::operator=().
{ arma_extra_debug_sigprint(); const Proxy<T1> x(in.get_ref()); subview<eT>& t = *this; arma_debug_assert_same_size(t, x, "insert into submatrix"); const u32 t_n_cols = t.n_cols; const u32 t_n_rows = t.n_rows; for(u32 col = 0; col<t_n_cols; ++col) { eT* t_coldata = t.colptr(col); for(u32 row = 0; row<t_n_rows; ++row) { t_coldata[row] = x.at(row,col); } } }
arma_inline void subview< eT >::operator= | ( | const Base< eT, T1 > & | x | ) | [inline, inherited] |
Reimplemented in subview_col< eT >, and subview_row< eT >.
Definition at line 236 of file subview_meat.hpp.
References subview< eT >::operator_equ_mat(), and subview< eT >::operator_equ_proxy().
{ arma_extra_debug_sigprint(); (is_Mat<T1>::value == true) ? operator_equ_mat(in) : operator_equ_proxy(in); }
void subview< eT >::operator+= | ( | const Base< eT, T1 > & | x | ) | [inline, inherited] |
Definition at line 249 of file subview_meat.hpp.
References field< oT >::col(), Base< elem_type, derived >::get_ref(), and field< oT >::row().
{ arma_extra_debug_sigprint(); const Proxy<T1> x(in.get_ref()); subview<eT>& t = *this; arma_debug_assert_same_size(t, x, "matrix addition"); for(u32 col = 0; col<t.n_cols; ++col) { eT* t_coldata = t.colptr(col); for(u32 row = 0; row<t.n_rows; ++row) { t_coldata[row] += x.at(row,col); } } }
void subview< eT >::operator-= | ( | const Base< eT, T1 > & | x | ) | [inline, inherited] |
Definition at line 278 of file subview_meat.hpp.
References field< oT >::col(), Base< elem_type, derived >::get_ref(), and field< oT >::row().
{ arma_extra_debug_sigprint(); const Proxy<T1> x(in.get_ref()); subview<eT>& t = *this; arma_debug_assert_same_size(t, x, "matrix subtraction"); for(u32 col = 0; col<t.n_cols; ++col) { eT* t_coldata = t.colptr(col); for(u32 row = 0; row<t.n_rows; ++row) { t_coldata[row] -= x.at(row,col); } } }
void subview< eT >::operator%= | ( | const Base< eT, T1 > & | x | ) | [inline, inherited] |
Definition at line 307 of file subview_meat.hpp.
References field< oT >::col(), Base< elem_type, derived >::get_ref(), and field< oT >::row().
{ arma_extra_debug_sigprint(); const Proxy<T1> x(in.get_ref()); subview<eT>& t = *this; arma_debug_assert_same_size(t, x, "matrix schur product"); for(u32 col = 0; col<t.n_cols; ++col) { eT* t_coldata = t.colptr(col); for(u32 row = 0; row<t.n_rows; ++row) { t_coldata[row] *= x.at(row,col); } } }
void subview< eT >::operator/= | ( | const Base< eT, T1 > & | x | ) | [inline, inherited] |
Definition at line 336 of file subview_meat.hpp.
References field< oT >::col(), Base< elem_type, derived >::get_ref(), and field< oT >::row().
{ arma_extra_debug_sigprint(); const Proxy<T1> x(in.get_ref()); subview<eT>& t = *this; arma_debug_assert_same_size(t, x, "element-wise matrix division"); for(u32 col = 0; col<t.n_cols; ++col) { eT* t_coldata = t.colptr(col); for(u32 row = 0; row<t.n_rows; ++row) { t_coldata[row] /= x.at(row,col); } } }
void subview< eT >::operator= | ( | const subview< eT > & | x | ) | [inline, inherited] |
x.submat(...) = y.submat(...)
Reimplemented in subview_col< eT >, and subview_row< eT >.
Definition at line 365 of file subview_meat.hpp.
References subview< eT >::aux_col1, subview< eT >::aux_col2, subview< eT >::aux_row1, subview< eT >::aux_row2, subview< eT >::check_overlap(), field< oT >::col(), subview< eT >::colptr(), syslib::copy_elem(), subview< eT >::m, subview< eT >::n_cols, and subview< eT >::n_rows.
{ arma_extra_debug_sigprint(); const bool overlap = check_overlap(x_in); Mat<eT>* tmp_mat = overlap ? new Mat<eT>(x_in.m) : 0; const subview<eT>* tmp_subview = overlap ? new subview<eT>(*tmp_mat, x_in.aux_row1, x_in.aux_col1, x_in.aux_row2, x_in.aux_col2) : 0; const subview<eT>& x = overlap ? (*tmp_subview) : x_in; subview<eT>& t = *this; arma_debug_assert_same_size(t, x, "insert into submatrix"); const u32 t_n_cols = t.n_cols; const u32 t_n_rows = t.n_rows; for(u32 col = 0; col<t_n_cols; ++col) { syslib::copy_elem( t.colptr(col), x.colptr(col), t_n_rows ); } if(overlap) { delete tmp_subview; delete tmp_mat; } }
void subview< eT >::operator+= | ( | const subview< eT > & | x | ) | [inline, inherited] |
Definition at line 400 of file subview_meat.hpp.
References subview< eT >::aux_col1, subview< eT >::aux_col2, subview< eT >::aux_row1, subview< eT >::aux_row2, subview< eT >::check_overlap(), field< oT >::col(), subview< eT >::colptr(), subview< eT >::m, subview< eT >::n_cols, subview< eT >::n_rows, field< oT >::row(), and subview< eT >::subview().
{ arma_extra_debug_sigprint(); const bool overlap = check_overlap(x_in); Mat<eT>* tmp_mat = overlap ? new Mat<eT>(x_in.m) : 0; const subview<eT>* tmp_subview = overlap ? new subview(*tmp_mat, x_in.aux_row1, x_in.aux_col1, x_in.aux_row2, x_in.aux_col2) : 0; const subview<eT>& x = overlap ? (*tmp_subview) : x_in; subview<eT>& t = *this; arma_debug_assert_same_size(t, x, "matrix addition"); for(u32 col = 0; col<t.n_cols; ++col) { eT* t_coldata = t.colptr(col); const eT* x_coldata = x.colptr(col); for(u32 row = 0; row<t.n_rows; ++row) { t_coldata[row] += x_coldata[row]; } } }
void subview< eT >::operator-= | ( | const subview< eT > & | x | ) | [inline, inherited] |
Definition at line 435 of file subview_meat.hpp.
References subview< eT >::aux_col1, subview< eT >::aux_col2, subview< eT >::aux_row1, subview< eT >::aux_row2, subview< eT >::check_overlap(), field< oT >::col(), subview< eT >::colptr(), subview< eT >::m, subview< eT >::n_cols, subview< eT >::n_rows, field< oT >::row(), and subview< eT >::subview().
{ arma_extra_debug_sigprint(); const bool overlap = check_overlap(x_in); Mat<eT>* tmp_mat = overlap ? new Mat<eT>(x_in.m) : 0; const subview<eT>* tmp_subview = overlap ? new subview(*tmp_mat, x_in.aux_row1, x_in.aux_col1, x_in.aux_row2, x_in.aux_col2) : 0; const subview<eT>& x = overlap ? (*tmp_subview) : x_in; subview<eT>& t = *this; arma_debug_assert_same_size(t, x, "matrix subtraction"); for(u32 col = 0; col<t.n_cols; ++col) { eT* t_coldata = t.colptr(col); const eT* x_coldata = x.colptr(col); for(u32 row = 0; row<t.n_rows; ++row) { t_coldata[row] -= x_coldata[row]; } } if(overlap) { delete tmp_subview; delete tmp_mat; } }
void subview< eT >::operator%= | ( | const subview< eT > & | x | ) | [inline, inherited] |
Definition at line 474 of file subview_meat.hpp.
References subview< eT >::aux_col1, subview< eT >::aux_col2, subview< eT >::aux_row1, subview< eT >::aux_row2, subview< eT >::check_overlap(), field< oT >::col(), subview< eT >::colptr(), subview< eT >::m, subview< eT >::n_cols, subview< eT >::n_rows, field< oT >::row(), and subview< eT >::subview().
{ arma_extra_debug_sigprint(); const bool overlap = check_overlap(x_in); Mat<eT>* tmp_mat = overlap ? new Mat<eT>(x_in.m) : 0; const subview<eT>* tmp_subview = overlap ? new subview(*tmp_mat, x_in.aux_row1, x_in.aux_col1, x_in.aux_row2, x_in.aux_col2) : 0; const subview<eT>& x = overlap ? (*tmp_subview) : x_in; subview<eT>& t = *this; arma_debug_assert_same_size(t, x, "matrix schur product"); for(u32 col = 0; col<t.n_cols; ++col) { eT* t_coldata = t.colptr(col); const eT* x_coldata = x.colptr(col); for(u32 row = 0; row<t.n_rows; ++row) { t_coldata[row] *= x_coldata[row]; } } if(overlap) { delete tmp_subview; delete tmp_mat; } }
void subview< eT >::operator/= | ( | const subview< eT > & | x | ) | [inline, inherited] |
Definition at line 513 of file subview_meat.hpp.
References subview< eT >::aux_col1, subview< eT >::aux_col2, subview< eT >::aux_row1, subview< eT >::aux_row2, subview< eT >::check_overlap(), field< oT >::col(), subview< eT >::colptr(), subview< eT >::m, subview< eT >::n_cols, subview< eT >::n_rows, field< oT >::row(), and subview< eT >::subview().
{ arma_extra_debug_sigprint(); const bool overlap = check_overlap(x_in); Mat<eT>* tmp_mat = overlap ? new Mat<eT>(x_in.m) : 0; const subview<eT>* tmp_subview = overlap ? new subview(*tmp_mat, x_in.aux_row1, x_in.aux_col1, x_in.aux_row2, x_in.aux_col2) : 0; const subview<eT>& x = overlap ? (*tmp_subview) : x_in; subview<eT>& t = *this; arma_debug_assert_same_size(t, x, "element-wise matrix division"); for(u32 col = 0; col<t.n_cols; ++col) { eT* t_coldata = t.colptr(col); const eT* x_coldata = x.colptr(col); for(u32 row = 0; row<t.n_rows; ++row) { t_coldata[row] /= x_coldata[row]; } } if(overlap) { delete tmp_subview; delete tmp_mat; } }
void subview< eT >::zeros | ( | ) | [inline, inherited] |
Definition at line 552 of file subview_meat.hpp.
References field< oT >::col(), subview< eT >::colptr(), subview< eT >::n_cols, subview< eT >::n_rows, and field< oT >::row().
Definition at line 576 of file subview_meat.hpp.
References arma_check(), subview< eT >::aux_col1, subview< eT >::aux_row1, subview< eT >::m, subview< eT >::m_ptr, subview< eT >::n_rows, and access::rw().
Definition at line 592 of file subview_meat.hpp.
References subview< eT >::aux_col1, subview< eT >::aux_row1, subview< eT >::m, and subview< eT >::n_rows.
Definition at line 606 of file subview_meat.hpp.
References arma_check(), subview< eT >::aux_col1, subview< eT >::aux_row1, subview< eT >::m, subview< eT >::m_ptr, subview< eT >::n_elem, subview< eT >::n_rows, and access::rw().
{ arma_check( (m_ptr == 0), "subview::operator(): matrix is read-only"); arma_debug_check( (i >= n_elem), "subview::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)*m.n_rows + aux_row1 + in_row; return access::rw( (*m_ptr).mem[index] ); }
Definition at line 623 of file subview_meat.hpp.
References subview< eT >::aux_col1, subview< eT >::aux_row1, subview< eT >::m, subview< eT >::n_elem, and subview< eT >::n_rows.
arma_inline eT & subview< eT >::operator() | ( | const u32 | in_row, | |
const u32 | in_col | |||
) | [inherited] |
Definition at line 639 of file subview_meat.hpp.
References arma_check(), subview< eT >::aux_col1, subview< eT >::aux_row1, subview< eT >::m, subview< eT >::m_ptr, subview< eT >::n_cols, subview< eT >::n_rows, and access::rw().
{ arma_check( (m_ptr == 0), "subview::operator(): matrix is read-only"); arma_debug_check( ((in_row >= n_rows) || (in_col >= n_cols)), "subview::operator(): index out of bounds"); const u32 index = (in_col + aux_col1)*m.n_rows + aux_row1 + in_row; return access::rw( (*m_ptr).mem[index] ); }
arma_inline eT subview< eT >::operator() | ( | const u32 | in_row, | |
const u32 | in_col | |||
) | const [inherited] |
Definition at line 653 of file subview_meat.hpp.
References subview< eT >::aux_col1, subview< eT >::aux_row1, subview< eT >::m, subview< eT >::n_cols, and subview< eT >::n_rows.
arma_inline eT & subview< eT >::at | ( | const u32 | in_row, | |
const u32 | in_col | |||
) | [inherited] |
Definition at line 666 of file subview_meat.hpp.
References arma_check(), subview< eT >::aux_col1, subview< eT >::aux_row1, subview< eT >::m, subview< eT >::m_ptr, and access::rw().
{ arma_check( (m_ptr == 0), "subview::at(): matrix is read-only"); const u32 index = (in_col + aux_col1)*m.n_rows + aux_row1 + in_row; return access::rw( (*m_ptr).mem[index] ); }
arma_inline eT subview< eT >::at | ( | const u32 | in_row, | |
const u32 | in_col | |||
) | const [inherited] |
Definition at line 679 of file subview_meat.hpp.
References subview< eT >::aux_col1, subview< eT >::aux_row1, and subview< eT >::m.
Definition at line 690 of file subview_meat.hpp.
References arma_check(), subview< eT >::aux_col1, subview< eT >::aux_row1, subview< eT >::m, subview< eT >::m_ptr, and access::rw().
Referenced by accu(), op_var::direct_var(), subview< eT >::div_inplace(), subview< eT >::extract(), subview< eT >::fill(), subview< eT >::minus_inplace(), subview< eT >::operator%=(), subview< eT >::operator*=(), subview< eT >::operator+=(), subview< eT >::operator-=(), subview< eT >::operator/=(), subview< eT >::operator=(), subview< eT >::operator_equ_mat(), subview< eT >::plus_inplace(), prod(), subview< eT >::schur_inplace(), and subview< eT >::zeros().
{ arma_check( (m_ptr == 0), "subview::colptr(): matrix is read-only"); return & access::rw((*m_ptr).mem[ (in_col + aux_col1)*m.n_rows + aux_row1 ]); }
arma_inline const eT * subview< eT >::colptr | ( | const u32 | in_col | ) | const [inherited] |
Definition at line 702 of file subview_meat.hpp.
References subview< eT >::aux_col1, subview< eT >::aux_row1, and subview< eT >::m.
bool subview< eT >::check_overlap | ( | const subview< eT > & | x | ) | const [inline, inherited] |
Definition at line 712 of file subview_meat.hpp.
References subview< eT >::aux_col1, subview< eT >::aux_col2, subview< eT >::aux_row1, subview< eT >::aux_row2, and subview< eT >::m.
Referenced by subview< eT >::operator%=(), subview< eT >::operator+=(), subview< eT >::operator-=(), subview< eT >::operator/=(), and subview< eT >::operator=().
{ const subview<eT>& t = *this; if(&t.m != &x.m) { 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); } }
bool subview< eT >::is_vec | ( | ) | const [inline, inherited] |
Definition at line 746 of file subview_meat.hpp.
References subview< eT >::n_cols, and subview< eT >::n_rows.
Referenced by subview< eT >::extract().
void subview< eT >::extract | ( | Mat< eT > & | out, | |
const subview< eT > & | in | |||
) | [inline, static, inherited] |
X = Y.submat(...).
Definition at line 757 of file subview_meat.hpp.
References Mat< eT >::at(), subview< eT >::aux_col1, subview< eT >::aux_row1, field< oT >::col(), Mat< eT >::colptr(), subview< eT >::colptr(), syslib::copy_elem(), subview< eT >::is_vec(), subview< eT >::m, Mat< eT >::memptr(), Mat< eT >::n_cols, subview< eT >::n_cols, Mat< eT >::n_rows, subview< eT >::n_rows, field< oT >::row(), and Mat< eT >::set_size().
{ arma_extra_debug_sigprint(); // const bool alias = (&actual_out == &in.m); Mat<eT>* tmp = (alias) ? new Mat<eT> : 0; Mat<eT>& out = (alias) ? (*tmp) : actual_out; // const u32 n_rows = in.n_rows; // number of rows in the subview const u32 n_cols = in.n_cols; // number of columns in the subview 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.m.n_rows % in.m.n_cols ); if(in.is_vec() == true) { if(n_cols == 1) // a column vector { arma_extra_debug_print("subview::extract(): copying col (going across rows)"); eT* out_mem = out.memptr(); const eT* in_coldata = in.colptr(0); // the first column of the subview, taking into account any row offset for(u32 row=0; row<n_rows; ++row) { out_mem[row] = in_coldata[row]; } } else // a row vector { arma_extra_debug_print("subview::extract(): copying row (going across columns)"); const Mat<eT>& X = in.m; eT* out_mem = out.memptr(); const u32 row = in.aux_row1; const u32 start_col = in.aux_col1; for(u32 i=0; i<n_cols; ++i) { out_mem[i] = X.at(row, i+start_col); } } } else // general submatrix { arma_extra_debug_print("subview::extract(): general submatrix"); for(u32 col = 0; col<n_cols; ++col) { syslib::copy_elem( out.colptr(col), in.colptr(col), n_rows ); } } if(alias) { actual_out = out; delete tmp; } }
void subview< eT >::plus_inplace | ( | Mat< eT > & | out, | |
const subview< eT > & | in | |||
) | [inline, static, inherited] |
X += Y.submat(...).
Definition at line 832 of file subview_meat.hpp.
References field< oT >::col(), subview< eT >::colptr(), Mat< eT >::colptr(), Mat< eT >::n_cols, subview< eT >::n_cols, Mat< eT >::n_rows, subview< eT >::n_rows, and field< oT >::row().
{ arma_extra_debug_sigprint(); arma_debug_assert_same_size(out, in, "matrix addition"); const u32 n_rows = out.n_rows; const u32 n_cols = out.n_cols; for(u32 col = 0; col<n_cols; ++col) { eT* out_coldata = out.colptr(col); const eT* in_coldata = in.colptr(col); for(u32 row = 0; row<n_rows; ++row) { out_coldata[row] += in_coldata[row]; } } }
void subview< eT >::minus_inplace | ( | Mat< eT > & | out, | |
const subview< eT > & | in | |||
) | [inline, static, inherited] |
X -= Y.submat(...).
Definition at line 859 of file subview_meat.hpp.
References field< oT >::col(), subview< eT >::colptr(), Mat< eT >::colptr(), Mat< eT >::n_cols, subview< eT >::n_cols, Mat< eT >::n_rows, subview< eT >::n_rows, and field< oT >::row().
{ arma_extra_debug_sigprint(); arma_debug_assert_same_size(out, in, "matrix subtraction"); const u32 n_rows = out.n_rows; const u32 n_cols = out.n_cols; for(u32 col = 0; col<n_cols; ++col) { eT* out_coldata = out.colptr(col); const eT* in_coldata = in.colptr(col); for(u32 row = 0; row<n_rows; ++row) { out_coldata[row] -= in_coldata[row]; } } }
void subview< eT >::schur_inplace | ( | Mat< eT > & | out, | |
const subview< eT > & | in | |||
) | [inline, static, inherited] |
X = Y.submat(...).
Definition at line 886 of file subview_meat.hpp.
References field< oT >::col(), subview< eT >::colptr(), Mat< eT >::colptr(), Mat< eT >::n_cols, subview< eT >::n_cols, Mat< eT >::n_rows, subview< eT >::n_rows, and field< oT >::row().
{ arma_extra_debug_sigprint(); arma_debug_assert_same_size(out, in, "matrix schur product"); const u32 n_rows = out.n_rows; const u32 n_cols = out.n_cols; for(u32 col = 0; col<n_cols; ++col) { eT* out_coldata = out.colptr(col); const eT* in_coldata = in.colptr(col); for(u32 row = 0; row<n_rows; ++row) { out_coldata[row] *= in_coldata[row]; } } }
void subview< eT >::div_inplace | ( | Mat< eT > & | out, | |
const subview< eT > & | in | |||
) | [inline, static, inherited] |
X /= Y.submat(...).
Definition at line 913 of file subview_meat.hpp.
References field< oT >::col(), subview< eT >::colptr(), Mat< eT >::colptr(), Mat< eT >::n_cols, subview< eT >::n_cols, Mat< eT >::n_rows, subview< eT >::n_rows, and field< oT >::row().
{ arma_extra_debug_sigprint(); arma_debug_assert_same_size(out, in, "element-wise matrix division"); const u32 n_rows = out.n_rows; const u32 n_cols = out.n_cols; for(u32 col = 0; col<n_cols; ++col) { eT* out_coldata = out.colptr(col); const eT* in_coldata = in.colptr(col); for(u32 row = 0; row<n_rows; ++row) { out_coldata[row] /= in_coldata[row]; } } }
arma_inline subview_col< eT >::subview_col | ( | const Mat< eT > & | in_m, | |
const u32 | in_col | |||
) | [protected, inherited] |
Definition at line 944 of file subview_meat.hpp.
: subview<eT>(in_m, 0, in_col, in_m.n_rows-1, in_col) { arma_extra_debug_sigprint(); }
arma_inline subview_col< eT >::subview_col | ( | Mat< eT > & | in_m, | |
const u32 | in_col | |||
) | [protected, inherited] |
Definition at line 954 of file subview_meat.hpp.
: subview<eT>(in_m, 0, in_col, in_m.n_rows-1, in_col) { arma_extra_debug_sigprint(); }
arma_inline subview_col< eT >::subview_col | ( | const Mat< eT > & | in_m, | |
const u32 | in_col, | |||
const u32 | in_row1, | |||
const u32 | in_row2 | |||
) | [protected, inherited] |
Definition at line 964 of file subview_meat.hpp.
: subview<eT>(in_m, in_row1, in_col, in_row2, in_col) { arma_extra_debug_sigprint(); }
arma_inline subview_col< eT >::subview_col | ( | Mat< eT > & | in_m, | |
const u32 | in_col, | |||
const u32 | in_row1, | |||
const u32 | in_row2 | |||
) | [protected, inherited] |
Definition at line 974 of file subview_meat.hpp.
: subview<eT>(in_m, in_row1, in_col, in_row2, in_col) { arma_extra_debug_sigprint(); }
void subview_col< eT >::operator= | ( | const subview< eT > & | x | ) | [inline, inherited] |
x.submat(...) = y.submat(...)
Reimplemented from subview< eT >.
Definition at line 985 of file subview_meat.hpp.
Referenced by subview_col< eT >::operator=().
{ arma_extra_debug_sigprint(); subview<eT>::operator=(X); arma_debug_check( (subview<eT>::n_cols > 1), "subview_col(): incompatible dimensions" ); }
void subview_col< eT >::operator= | ( | const subview_col< eT > & | x | ) | [inline, inherited] |
Definition at line 998 of file subview_meat.hpp.
References subview_col< eT >::operator=().
{ arma_extra_debug_sigprint(); subview<eT>::operator=(X); // interprets 'subview_col' as 'subview' arma_debug_check( (subview<eT>::n_cols > 1), "subview_col(): incompatible dimensions" ); }
void subview_col< eT >::operator= | ( | const Base< eT, T1 > & | x | ) | [inline, inherited] |
Reimplemented from subview< eT >.
Definition at line 1012 of file subview_meat.hpp.
References subview_col< eT >::operator=().
{ arma_extra_debug_sigprint(); subview<eT>::operator=(X); arma_debug_check( (subview<eT>::n_cols > 1), "subview_col(): incompatible dimensions" ); }
arma_inline subview_row< eT >::subview_row | ( | const Mat< eT > & | in_m, | |
const u32 | in_row | |||
) | [protected, inherited] |
Definition at line 1031 of file subview_meat.hpp.
: subview<eT>(in_m, in_row, 0, in_row, in_m.n_cols-1) { arma_extra_debug_sigprint(); }
arma_inline subview_row< eT >::subview_row | ( | Mat< eT > & | in_m, | |
const u32 | in_row | |||
) | [protected, inherited] |
Definition at line 1041 of file subview_meat.hpp.
: subview<eT>(in_m, in_row, 0, in_row, in_m.n_cols-1) { arma_extra_debug_sigprint(); }
arma_inline subview_row< eT >::subview_row | ( | const Mat< eT > & | in_m, | |
const u32 | in_row, | |||
const u32 | in_col1, | |||
const u32 | in_col2 | |||
) | [protected, inherited] |
Definition at line 1051 of file subview_meat.hpp.
: subview<eT>(in_m, in_row, in_col1, in_row, in_col2) { arma_extra_debug_sigprint(); }
arma_inline subview_row< eT >::subview_row | ( | Mat< eT > & | in_m, | |
const u32 | in_row, | |||
const u32 | in_col1, | |||
const u32 | in_col2 | |||
) | [protected, inherited] |
Definition at line 1061 of file subview_meat.hpp.
: subview<eT>(in_m, in_row, in_col1, in_row, in_col2) { arma_extra_debug_sigprint(); }
void subview_row< eT >::operator= | ( | const subview< eT > & | x | ) | [inline, inherited] |
x.submat(...) = y.submat(...)
Reimplemented from subview< eT >.
Definition at line 1072 of file subview_meat.hpp.
Referenced by subview_row< eT >::operator=().
{ arma_extra_debug_sigprint(); subview<eT>::operator=(X); arma_debug_check( (subview<eT>::n_rows > 1), "subview_row(): incompatible dimensions" ); }
void subview_row< eT >::operator= | ( | const subview_row< eT > & | x | ) | [inline, inherited] |
Definition at line 1085 of file subview_meat.hpp.
References subview_row< eT >::operator=().
{ arma_extra_debug_sigprint(); subview<eT>::operator=(X); // interprets 'subview_row' as 'subview' arma_debug_check( (subview<eT>::n_rows > 1), "subview_row(): incompatible dimensions" ); }
void subview_row< eT >::operator= | ( | const Base< eT, T1 > & | x | ) | [inline, inherited] |
Reimplemented from subview< eT >.
Definition at line 1099 of file subview_meat.hpp.
References subview_row< eT >::operator=().
{ arma_extra_debug_sigprint(); subview<eT>::operator=(X); arma_debug_check( (subview<eT>::n_rows > 1), "subview_row(): incompatible dimensions" ); }