AnalysisSystemForRadionucli.../include/armadillo_bits/spdiagview_meat.hpp

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// Copyright (C) 2015 National ICT Australia (NICTA)
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
// -------------------------------------------------------------------
//
// Written by Conrad Sanderson - http://conradsanderson.id.au
//! \addtogroup spdiagview
//! @{
template<typename eT>
inline
spdiagview<eT>::~spdiagview()
{
arma_extra_debug_sigprint();
}
template<typename eT>
arma_inline
spdiagview<eT>::spdiagview(const SpMat<eT>& in_m, const uword in_row_offset, const uword in_col_offset, const uword in_len)
: m(in_m)
, row_offset(in_row_offset)
, col_offset(in_col_offset)
, n_rows(in_len)
, n_elem(in_len)
{
arma_extra_debug_sigprint();
}
//! set a diagonal of our matrix using a diagonal from a foreign matrix
template<typename eT>
inline
void
spdiagview<eT>::operator= (const spdiagview<eT>& x)
{
arma_extra_debug_sigprint();
spdiagview<eT>& d = *this;
arma_debug_check( (d.n_elem != x.n_elem), "spdiagview: diagonals have incompatible lengths");
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
const SpMat<eT>& x_m = x.m;
if(&d_m != &x_m)
{
const uword d_n_elem = d.n_elem;
const uword d_row_offset = d.row_offset;
const uword d_col_offset = d.col_offset;
const uword x_row_offset = x.row_offset;
const uword x_col_offset = x.col_offset;
for(uword i=0; i < d_n_elem; ++i)
{
d_m.at(i + d_row_offset, i + d_col_offset) = x_m.at(i + x_row_offset, i + x_col_offset);
}
}
else
{
const Mat<eT> tmp = x;
(*this).operator=(tmp);
}
}
template<typename eT>
inline
void
spdiagview<eT>::operator+=(const eT val)
{
arma_extra_debug_sigprint();
SpMat<eT>& t_m = const_cast< SpMat<eT>& >(m);
const uword t_n_elem = n_elem;
const uword t_row_offset = row_offset;
const uword t_col_offset = col_offset;
for(uword i=0; i < t_n_elem; ++i)
{
t_m.at(i + t_row_offset, i + t_col_offset) += val;
}
}
template<typename eT>
inline
void
spdiagview<eT>::operator-=(const eT val)
{
arma_extra_debug_sigprint();
SpMat<eT>& t_m = const_cast< SpMat<eT>& >(m);
const uword t_n_elem = n_elem;
const uword t_row_offset = row_offset;
const uword t_col_offset = col_offset;
for(uword i=0; i < t_n_elem; ++i)
{
t_m.at(i + t_row_offset, i + t_col_offset) -= val;
}
}
template<typename eT>
inline
void
spdiagview<eT>::operator*=(const eT val)
{
arma_extra_debug_sigprint();
SpMat<eT>& t_m = const_cast< SpMat<eT>& >(m);
const uword t_n_elem = n_elem;
const uword t_row_offset = row_offset;
const uword t_col_offset = col_offset;
for(uword i=0; i < t_n_elem; ++i)
{
t_m.at(i + t_row_offset, i + t_col_offset) *= val;
}
}
template<typename eT>
inline
void
spdiagview<eT>::operator/=(const eT val)
{
arma_extra_debug_sigprint();
SpMat<eT>& t_m = const_cast< SpMat<eT>& >(m);
const uword t_n_elem = n_elem;
const uword t_row_offset = row_offset;
const uword t_col_offset = col_offset;
for(uword i=0; i < t_n_elem; ++i)
{
t_m.at(i + t_row_offset, i + t_col_offset) /= val;
}
}
//! set a diagonal of our matrix using data from a foreign object
template<typename eT>
template<typename T1>
inline
void
spdiagview<eT>::operator= (const Base<eT,T1>& o)
{
arma_extra_debug_sigprint();
spdiagview<eT>& d = *this;
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
const uword d_n_elem = d.n_elem;
const uword d_row_offset = d.row_offset;
const uword d_col_offset = d.col_offset;
const Proxy<T1> P( o.get_ref() );
arma_debug_check
(
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
"spdiagview: given object has incompatible size"
);
if( (is_Mat<typename Proxy<T1>::stored_type>::value) || (Proxy<T1>::prefer_at_accessor) )
{
const unwrap<typename Proxy<T1>::stored_type> tmp(P.Q);
const Mat<eT>& x = tmp.M;
const eT* x_mem = x.memptr();
for(uword i=0; i < d_n_elem; ++i)
{
d_m.at(i + d_row_offset, i + d_col_offset) = x_mem[i];
}
}
else
{
typename Proxy<T1>::ea_type Pea = P.get_ea();
for(uword i=0; i < d_n_elem; ++i)
{
d_m.at(i + d_row_offset, i + d_col_offset) = Pea[i];
}
}
}
template<typename eT>
template<typename T1>
inline
void
spdiagview<eT>::operator+=(const Base<eT,T1>& o)
{
arma_extra_debug_sigprint();
spdiagview<eT>& d = *this;
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
const uword d_n_elem = d.n_elem;
const uword d_row_offset = d.row_offset;
const uword d_col_offset = d.col_offset;
const Proxy<T1> P( o.get_ref() );
arma_debug_check
(
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
"spdiagview: given object has incompatible size"
);
if( (is_Mat<typename Proxy<T1>::stored_type>::value) || (Proxy<T1>::prefer_at_accessor) )
{
const unwrap<typename Proxy<T1>::stored_type> tmp(P.Q);
const Mat<eT>& x = tmp.M;
const eT* x_mem = x.memptr();
for(uword i=0; i < d_n_elem; ++i)
{
d_m.at(i + d_row_offset, i + d_col_offset) += x_mem[i];
}
}
else
{
typename Proxy<T1>::ea_type Pea = P.get_ea();
for(uword i=0; i < d_n_elem; ++i)
{
d_m.at(i + d_row_offset, i + d_col_offset) += Pea[i];
}
}
}
template<typename eT>
template<typename T1>
inline
void
spdiagview<eT>::operator-=(const Base<eT,T1>& o)
{
arma_extra_debug_sigprint();
spdiagview<eT>& d = *this;
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
const uword d_n_elem = d.n_elem;
const uword d_row_offset = d.row_offset;
const uword d_col_offset = d.col_offset;
const Proxy<T1> P( o.get_ref() );
arma_debug_check
(
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
"spdiagview: given object has incompatible size"
);
if( (is_Mat<typename Proxy<T1>::stored_type>::value) || (Proxy<T1>::prefer_at_accessor) )
{
const unwrap<typename Proxy<T1>::stored_type> tmp(P.Q);
const Mat<eT>& x = tmp.M;
const eT* x_mem = x.memptr();
for(uword i=0; i < d_n_elem; ++i)
{
d_m.at(i + d_row_offset, i + d_col_offset) -= x_mem[i];
}
}
else
{
typename Proxy<T1>::ea_type Pea = P.get_ea();
for(uword i=0; i < d_n_elem; ++i)
{
d_m.at(i + d_row_offset, i + d_col_offset) -= Pea[i];
}
}
}
template<typename eT>
template<typename T1>
inline
void
spdiagview<eT>::operator%=(const Base<eT,T1>& o)
{
arma_extra_debug_sigprint();
spdiagview<eT>& d = *this;
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
const uword d_n_elem = d.n_elem;
const uword d_row_offset = d.row_offset;
const uword d_col_offset = d.col_offset;
const Proxy<T1> P( o.get_ref() );
arma_debug_check
(
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
"spdiagview: given object has incompatible size"
);
if( (is_Mat<typename Proxy<T1>::stored_type>::value) || (Proxy<T1>::prefer_at_accessor) )
{
const unwrap<typename Proxy<T1>::stored_type> tmp(P.Q);
const Mat<eT>& x = tmp.M;
const eT* x_mem = x.memptr();
for(uword i=0; i < d_n_elem; ++i)
{
d_m.at(i + d_row_offset, i + d_col_offset) *= x_mem[i];
}
}
else
{
typename Proxy<T1>::ea_type Pea = P.get_ea();
for(uword i=0; i < d_n_elem; ++i)
{
d_m.at(i + d_row_offset, i + d_col_offset) *= Pea[i];
}
}
}
template<typename eT>
template<typename T1>
inline
void
spdiagview<eT>::operator/=(const Base<eT,T1>& o)
{
arma_extra_debug_sigprint();
spdiagview<eT>& d = *this;
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
const uword d_n_elem = d.n_elem;
const uword d_row_offset = d.row_offset;
const uword d_col_offset = d.col_offset;
const Proxy<T1> P( o.get_ref() );
arma_debug_check
(
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
"spdiagview: given object has incompatible size"
);
if( (is_Mat<typename Proxy<T1>::stored_type>::value) || (Proxy<T1>::prefer_at_accessor) )
{
const unwrap<typename Proxy<T1>::stored_type> tmp(P.Q);
const Mat<eT>& x = tmp.M;
const eT* x_mem = x.memptr();
for(uword i=0; i < d_n_elem; ++i)
{
d_m.at(i + d_row_offset, i + d_col_offset) /= x_mem[i];
}
}
else
{
typename Proxy<T1>::ea_type Pea = P.get_ea();
for(uword i=0; i < d_n_elem; ++i)
{
d_m.at(i + d_row_offset, i + d_col_offset) /= Pea[i];
}
}
}
//! set a diagonal of our matrix using data from a foreign object
template<typename eT>
template<typename T1>
inline
void
spdiagview<eT>::operator= (const SpBase<eT,T1>& o)
{
arma_extra_debug_sigprint();
spdiagview<eT>& d = *this;
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
const uword d_n_elem = d.n_elem;
const uword d_row_offset = d.row_offset;
const uword d_col_offset = d.col_offset;
const SpProxy<T1> P( o.get_ref() );
arma_debug_check
(
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
"spdiagview: given object has incompatible size"
);
if( SpProxy<T1>::must_use_iterator || P.is_alias(d_m) )
{
const SpMat<eT> tmp(P.Q);
if(tmp.n_cols == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) = tmp.at(i,0); }
}
else
if(tmp.n_rows == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) = tmp.at(0,i); }
}
}
else
{
if(P.get_n_cols() == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) = P.at(i,0); }
}
else
if(P.get_n_rows() == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) = P.at(0,i); }
}
}
}
template<typename eT>
template<typename T1>
inline
void
spdiagview<eT>::operator+=(const SpBase<eT,T1>& o)
{
arma_extra_debug_sigprint();
spdiagview<eT>& d = *this;
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
const uword d_n_elem = d.n_elem;
const uword d_row_offset = d.row_offset;
const uword d_col_offset = d.col_offset;
const SpProxy<T1> P( o.get_ref() );
arma_debug_check
(
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
"spdiagview: given object has incompatible size"
);
if( SpProxy<T1>::must_use_iterator || P.is_alias(d_m) )
{
const SpMat<eT> tmp(P.Q);
if(tmp.n_cols == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) += tmp.at(i,0); }
}
else
if(tmp.n_rows == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) += tmp.at(0,i); }
}
}
else
{
if(P.get_n_cols() == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) += P.at(i,0); }
}
else
if(P.get_n_rows() == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) += P.at(0,i); }
}
}
}
template<typename eT>
template<typename T1>
inline
void
spdiagview<eT>::operator-=(const SpBase<eT,T1>& o)
{
arma_extra_debug_sigprint();
spdiagview<eT>& d = *this;
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
const uword d_n_elem = d.n_elem;
const uword d_row_offset = d.row_offset;
const uword d_col_offset = d.col_offset;
const SpProxy<T1> P( o.get_ref() );
arma_debug_check
(
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
"spdiagview: given object has incompatible size"
);
if( SpProxy<T1>::must_use_iterator || P.is_alias(d_m) )
{
const SpMat<eT> tmp(P.Q);
if(tmp.n_cols == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) -= tmp.at(i,0); }
}
else
if(tmp.n_rows == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) -= tmp.at(0,i); }
}
}
else
{
if(P.get_n_cols() == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) -= P.at(i,0); }
}
else
if(P.get_n_rows() == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) -= P.at(0,i); }
}
}
}
template<typename eT>
template<typename T1>
inline
void
spdiagview<eT>::operator%=(const SpBase<eT,T1>& o)
{
arma_extra_debug_sigprint();
spdiagview<eT>& d = *this;
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
const uword d_n_elem = d.n_elem;
const uword d_row_offset = d.row_offset;
const uword d_col_offset = d.col_offset;
const SpProxy<T1> P( o.get_ref() );
arma_debug_check
(
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
"spdiagview: given object has incompatible size"
);
if( SpProxy<T1>::must_use_iterator || P.is_alias(d_m) )
{
const SpMat<eT> tmp(P.Q);
if(tmp.n_cols == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) *= tmp.at(i,0); }
}
else
if(tmp.n_rows == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) *= tmp.at(0,i); }
}
}
else
{
if(P.get_n_cols() == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) *= P.at(i,0); }
}
else
if(P.get_n_rows() == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) *= P.at(0,i); }
}
}
}
template<typename eT>
template<typename T1>
inline
void
spdiagview<eT>::operator/=(const SpBase<eT,T1>& o)
{
arma_extra_debug_sigprint();
spdiagview<eT>& d = *this;
SpMat<eT>& d_m = const_cast< SpMat<eT>& >(d.m);
const uword d_n_elem = d.n_elem;
const uword d_row_offset = d.row_offset;
const uword d_col_offset = d.col_offset;
const SpProxy<T1> P( o.get_ref() );
arma_debug_check
(
( (d_n_elem != P.get_n_elem()) || ((P.get_n_rows() != 1) && (P.get_n_cols() != 1)) ),
"spdiagview: given object has incompatible size"
);
if( SpProxy<T1>::must_use_iterator || P.is_alias(d_m) )
{
const SpMat<eT> tmp(P.Q);
if(tmp.n_cols == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) /= tmp.at(i,0); }
}
else
if(tmp.n_rows == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) /= tmp.at(0,i); }
}
}
else
{
if(P.get_n_cols() == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) /= P.at(i,0); }
}
else
if(P.get_n_rows() == 1)
{
for(uword i=0; i < d_n_elem; ++i) { d_m.at(i + d_row_offset, i + d_col_offset) /= P.at(0,i); }
}
}
}
//! extract a diagonal and store it as a dense column vector
template<typename eT>
inline
void
spdiagview<eT>::extract(Mat<eT>& out, const spdiagview<eT>& in)
{
arma_extra_debug_sigprint();
// NOTE: we're assuming that the 'out' matrix has already been set to the correct size;
// size setting is done by either the Mat contructor or Mat::operator=()
const SpMat<eT>& in_m = in.m;
const uword in_n_elem = in.n_elem;
const uword in_row_offset = in.row_offset;
const uword in_col_offset = in.col_offset;
eT* out_mem = out.memptr();
for(uword i=0; i < in_n_elem; ++i)
{
out_mem[i] = in_m.at(i + in_row_offset, i + in_col_offset );
}
}
template<typename eT>
inline
eT
spdiagview<eT>::at_alt(const uword i) const
{
return m.at(i+row_offset, i+col_offset);
}
template<typename eT>
inline
SpValProxy< SpMat<eT> >
spdiagview<eT>::operator[](const uword i)
{
return (const_cast< SpMat<eT>& >(m)).at(i+row_offset, i+col_offset);
}
template<typename eT>
inline
eT
spdiagview<eT>::operator[](const uword i) const
{
return m.at(i+row_offset, i+col_offset);
}
template<typename eT>
inline
SpValProxy< SpMat<eT> >
spdiagview<eT>::at(const uword i)
{
return (const_cast< SpMat<eT>& >(m)).at(i+row_offset, i+col_offset);
}
template<typename eT>
inline
eT
spdiagview<eT>::at(const uword i) const
{
return m.at(i+row_offset, i+col_offset);
}
template<typename eT>
inline
SpValProxy< SpMat<eT> >
spdiagview<eT>::operator()(const uword i)
{
arma_debug_check( (i >= n_elem), "spdiagview::operator(): out of bounds" );
return (const_cast< SpMat<eT>& >(m)).at(i+row_offset, i+col_offset);
}
template<typename eT>
inline
eT
spdiagview<eT>::operator()(const uword i) const
{
arma_debug_check( (i >= n_elem), "spdiagview::operator(): out of bounds" );
return m.at(i+row_offset, i+col_offset);
}
template<typename eT>
inline
SpValProxy< SpMat<eT> >
spdiagview<eT>::at(const uword row, const uword)
{
return (const_cast< SpMat<eT>& >(m)).at(row+row_offset, row+col_offset);
}
template<typename eT>
inline
eT
spdiagview<eT>::at(const uword row, const uword) const
{
return m.at(row+row_offset, row+col_offset);
}
template<typename eT>
inline
SpValProxy< SpMat<eT> >
spdiagview<eT>::operator()(const uword row, const uword col)
{
arma_debug_check( ((row >= n_elem) || (col > 0)), "spdiagview::operator(): out of bounds" );
return (const_cast< SpMat<eT>& >(m)).at(row+row_offset, row+col_offset);
}
template<typename eT>
inline
eT
spdiagview<eT>::operator()(const uword row, const uword col) const
{
arma_debug_check( ((row >= n_elem) || (col > 0)), "spdiagview::operator(): out of bounds" );
return m.at(row+row_offset, row+col_offset);
}
template<typename eT>
inline
void
spdiagview<eT>::fill(const eT val)
{
arma_extra_debug_sigprint();
SpMat<eT>& x = const_cast< SpMat<eT>& >(m);
const uword local_n_elem = n_elem;
for(uword i=0; i < local_n_elem; ++i)
{
x.at(i+row_offset, i+col_offset) = val;
}
}
template<typename eT>
inline
void
spdiagview<eT>::zeros()
{
arma_extra_debug_sigprint();
(*this).fill(eT(0));
}
template<typename eT>
inline
void
spdiagview<eT>::ones()
{
arma_extra_debug_sigprint();
(*this).fill(eT(1));
}
template<typename eT>
inline
void
spdiagview<eT>::randu()
{
arma_extra_debug_sigprint();
SpMat<eT>& x = const_cast< SpMat<eT>& >(m);
const uword local_n_elem = n_elem;
for(uword i=0; i < local_n_elem; ++i)
{
x.at(i+row_offset, i+col_offset) = eT(arma_rng::randu<eT>());
}
}
template<typename eT>
inline
void
spdiagview<eT>::randn()
{
arma_extra_debug_sigprint();
SpMat<eT>& x = const_cast< SpMat<eT>& >(m);
const uword local_n_elem = n_elem;
for(uword i=0; i < local_n_elem; ++i)
{
x.at(i+row_offset, i+col_offset) = eT(arma_rng::randn<eT>());
}
}
//! @}