AnalysisSystemForRadionucli.../include/armadillo_bits/arma_ostream_meat.hpp
2024-06-04 15:25:02 +08:00

841 lines
18 KiB
C++

// Copyright (C) 2008-2015 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
// Written by Ryan Curtin
//! \addtogroup arma_ostream
//! @{
inline
arma_ostream_state::arma_ostream_state(const std::ostream& o)
: orig_flags (o.flags())
, orig_precision(o.precision())
, orig_width (o.width())
, orig_fill (o.fill())
{
}
inline
void
arma_ostream_state::restore(std::ostream& o) const
{
o.flags (orig_flags);
o.precision(orig_precision);
o.width (orig_width);
o.fill (orig_fill);
}
//
//
template<typename eT>
inline
std::streamsize
arma_ostream::modify_stream(std::ostream& o, const eT* data, const uword n_elem)
{
o.unsetf(ios::showbase);
o.unsetf(ios::uppercase);
o.unsetf(ios::showpos);
o.fill(' ');
std::streamsize cell_width;
bool use_layout_B = false;
bool use_layout_C = false;
bool use_layout_D = false;
for(uword i=0; i<n_elem; ++i)
{
const eT val = data[i];
if(
( cond_rel< (sizeof(eT) > 4) && (is_same_type<uword,eT>::yes || is_same_type<sword,eT>::yes) >::geq(val, eT(+10000000000)) )
||
( cond_rel< (sizeof(eT) > 4) && is_same_type<sword,eT>::yes >::leq(val, eT(-10000000000)) )
)
{
use_layout_D = true;
break;
}
if(
( val >= eT(+100) )
||
//( (is_signed<eT>::value == true) && (val <= eT(-100)) ) ||
//( (is_non_integral<eT>::value == true) && (val > eT(0)) && (val <= eT(+1e-4)) ) ||
//( (is_non_integral<eT>::value == true) && (is_signed<eT>::value == true) && (val < eT(0)) && (val >= eT(-1e-4)) )
(
cond_rel< is_signed<eT>::value >::leq(val, eT(-100))
)
||
(
cond_rel< is_non_integral<eT>::value >::gt(val, eT(0))
&&
cond_rel< is_non_integral<eT>::value >::leq(val, eT(+1e-4))
)
||
(
cond_rel< is_non_integral<eT>::value && is_signed<eT>::value >::lt(val, eT(0))
&&
cond_rel< is_non_integral<eT>::value && is_signed<eT>::value >::geq(val, eT(-1e-4))
)
)
{
use_layout_C = true;
break;
}
if(
// (val >= eT(+10)) || ( (is_signed<eT>::value == true) && (val <= eT(-10)) )
(val >= eT(+10)) || ( cond_rel< is_signed<eT>::value >::leq(val, eT(-10)) )
)
{
use_layout_B = true;
}
}
if(use_layout_D)
{
o.setf(ios::scientific);
o.setf(ios::right);
o.unsetf(ios::fixed);
o.precision(4);
cell_width = 21;
}
else
if(use_layout_C)
{
o.setf(ios::scientific);
o.setf(ios::right);
o.unsetf(ios::fixed);
o.precision(4);
cell_width = 13;
}
else
if(use_layout_B)
{
o.unsetf(ios::scientific);
o.setf(ios::right);
o.setf(ios::fixed);
o.precision(4);
cell_width = 10;
}
else
{
o.unsetf(ios::scientific);
o.setf(ios::right);
o.setf(ios::fixed);
o.precision(4);
cell_width = 9;
}
return cell_width;
}
//! "better than nothing" settings for complex numbers
template<typename T>
inline
std::streamsize
arma_ostream::modify_stream(std::ostream& o, const std::complex<T>* data, const uword n_elem)
{
arma_ignore(data);
arma_ignore(n_elem);
o.unsetf(ios::showbase);
o.unsetf(ios::uppercase);
o.fill(' ');
o.setf(ios::scientific);
o.setf(ios::showpos);
o.setf(ios::right);
o.unsetf(ios::fixed);
std::streamsize cell_width;
o.precision(3);
cell_width = 2 + 2*(1 + 3 + o.precision() + 5) + 1;
return cell_width;
}
template<typename eT>
inline
std::streamsize
arma_ostream::modify_stream(std::ostream& o, typename SpMat<eT>::const_iterator begin, const uword n_elem, const typename arma_not_cx<eT>::result* junk)
{
arma_extra_debug_sigprint();
arma_ignore(junk);
o.unsetf(ios::showbase);
o.unsetf(ios::uppercase);
o.unsetf(ios::showpos);
o.fill(' ');
std::streamsize cell_width;
bool use_layout_B = false;
bool use_layout_C = false;
for(typename SpMat<eT>::const_iterator it = begin; it.pos() < n_elem; ++it)
{
const eT val = *it;
if(
val >= eT(+100) ||
( (is_signed<eT>::value == true) && (val <= eT(-100)) ) ||
( (is_non_integral<eT>::value == true) && (val > eT(0)) && (val <= eT(+1e-4)) ) ||
( (is_non_integral<eT>::value == true) && (is_signed<eT>::value == true) && (val < eT(0)) && (val >= eT(-1e-4)) )
)
{
use_layout_C = true;
break;
}
if(
(val >= eT(+10)) || ( (is_signed<eT>::value == true) && (val <= eT(-10)) )
)
{
use_layout_B = true;
}
}
if(use_layout_C)
{
o.setf(ios::scientific);
o.setf(ios::right);
o.unsetf(ios::fixed);
o.precision(4);
cell_width = 13;
}
else
if(use_layout_B)
{
o.unsetf(ios::scientific);
o.setf(ios::right);
o.setf(ios::fixed);
o.precision(4);
cell_width = 10;
}
else
{
o.unsetf(ios::scientific);
o.setf(ios::right);
o.setf(ios::fixed);
o.precision(4);
cell_width = 9;
}
return cell_width;
}
//! "better than nothing" settings for complex numbers
template<typename T>
inline
std::streamsize
arma_ostream::modify_stream(std::ostream& o, typename SpMat<T>::const_iterator begin, const uword n_elem, const typename arma_cx_only<T>::result* junk)
{
arma_ignore(begin);
arma_ignore(n_elem);
arma_ignore(junk);
o.unsetf(ios::showbase);
o.unsetf(ios::uppercase);
o.fill(' ');
o.setf(ios::scientific);
o.setf(ios::showpos);
o.setf(ios::right);
o.unsetf(ios::fixed);
std::streamsize cell_width;
o.precision(3);
cell_width = 2 + 2*(1 + 3 + o.precision() + 5) + 1;
return cell_width;
}
template<typename eT>
inline
void
arma_ostream::print_elem_zero(std::ostream& o, const bool modify)
{
if(modify == true)
{
const std::streamsize orig_precision = o.precision();
o.precision(0);
o << eT(0);
o.precision(orig_precision);
}
else
{
o << eT(0);
}
}
//! Print an element to the specified stream
template<typename eT>
arma_inline
void
arma_ostream::print_elem(std::ostream& o, const eT& x, const bool modify)
{
if(is_signed<eT>::value)
{
typedef typename promote_type<eT, s16>::result promoted_eT;
if(x != eT(0))
{
if(arma_isfinite(x))
{
o << promoted_eT(x);
}
else
{
o << ( arma_isinf(x) ? ((x <= eT(0)) ? "-inf" : "inf") : "nan" );
}
}
else
{
arma_ostream::print_elem_zero<promoted_eT>(o, modify);
}
}
else
{
typedef typename promote_type<eT, u16>::result promoted_eT;
if(x != eT(0))
{
o << promoted_eT(x);
}
else
{
arma_ostream::print_elem_zero<promoted_eT>(o, modify);
}
}
}
//! Print a complex element to the specified stream
template<typename T>
inline
void
arma_ostream::print_elem(std::ostream& o, const std::complex<T>& x, const bool modify)
{
if( (x.real() != T(0)) || (x.imag() != T(0)) || (modify == false) )
{
std::ostringstream ss;
ss.flags(o.flags());
//ss.imbue(o.getloc());
ss.precision(o.precision());
ss << '(';
const T a = x.real();
if(arma_isfinite(a))
{
ss << a;
}
else
{
ss << ( arma_isinf(a) ? ((a <= T(0)) ? "-inf" : "+inf") : "nan" );
}
ss << ',';
const T b = x.imag();
if(arma_isfinite(b))
{
ss << b;
}
else
{
ss << ( arma_isinf(b) ? ((b <= T(0)) ? "-inf" : "+inf") : "nan" );
}
ss << ')';
o << ss.str();
}
else
{
o << "(0,0)";
}
}
//! Print a matrix to the specified stream
template<typename eT>
inline
void
arma_ostream::print(std::ostream& o, const Mat<eT>& m, const bool modify)
{
arma_extra_debug_sigprint();
const arma_ostream_state stream_state(o);
const std::streamsize cell_width = modify ? arma_ostream::modify_stream(o, m.memptr(), m.n_elem) : o.width();
const uword m_n_rows = m.n_rows;
const uword m_n_cols = m.n_cols;
if(m.is_empty() == false)
{
if(m_n_cols > 0)
{
if(cell_width > 0)
{
for(uword row=0; row < m_n_rows; ++row)
{
for(uword col=0; col < m_n_cols; ++col)
{
// the cell width appears to be reset after each element is printed,
// hence we need to restore it
o.width(cell_width);
arma_ostream::print_elem(o, m.at(row,col), modify);
}
o << '\n';
}
}
else
{
for(uword row=0; row < m_n_rows; ++row)
{
for(uword col=0; col < m_n_cols-1; ++col)
{
arma_ostream::print_elem(o, m.at(row,col), modify);
o << ' ';
}
arma_ostream::print_elem(o, m.at(row, m_n_cols-1), modify);
o << '\n';
}
}
}
}
else
{
o << "[matrix size: " << m_n_rows << 'x' << m_n_cols << "]\n";
}
o.flush();
stream_state.restore(o);
}
//! Print a cube to the specified stream
template<typename eT>
inline
void
arma_ostream::print(std::ostream& o, const Cube<eT>& x, const bool modify)
{
arma_extra_debug_sigprint();
const arma_ostream_state stream_state(o);
const std::streamsize cell_width = modify ? arma_ostream::modify_stream(o, x.memptr(), x.n_elem) : o.width();
if(x.is_empty() == false)
{
for(uword slice=0; slice < x.n_slices; ++slice)
{
const Mat<eT> tmp(const_cast<eT*>(x.slice_memptr(slice)), x.n_rows, x.n_cols, false);
o << "[cube slice " << slice << ']' << '\n';
o.width(cell_width);
arma_ostream::print(o, tmp, false);
o << '\n';
}
}
else
{
o << "[cube size: " << x.n_rows << 'x' << x.n_cols << 'x' << x.n_slices << "]\n";
}
stream_state.restore(o);
}
//! Print a field to the specified stream
//! Assumes type oT can be printed, i.e. oT has std::ostream& operator<< (std::ostream&, const oT&)
template<typename oT>
inline
void
arma_ostream::print(std::ostream& o, const field<oT>& x)
{
arma_extra_debug_sigprint();
const arma_ostream_state stream_state(o);
const std::streamsize cell_width = o.width();
const uword x_n_rows = x.n_rows;
const uword x_n_cols = x.n_cols;
const uword x_n_slices = x.n_slices;
if(x.is_empty() == false)
{
if(x_n_slices == 1)
{
for(uword col=0; col<x_n_cols; ++col)
{
o << "[field column " << col << ']' << '\n';
for(uword row=0; row<x_n_rows; ++row)
{
o.width(cell_width);
o << x.at(row,col) << '\n';
}
o << '\n';
}
}
else
{
for(uword slice=0; slice<x_n_slices; ++slice)
{
o << "[field slice " << slice << ']' << '\n';
for(uword col=0; col<x_n_cols; ++col)
{
o << "[field column " << col << ']' << '\n';
for(uword row=0; row<x_n_rows; ++row)
{
o.width(cell_width);
o << x.at(row,col,slice) << '\n';
}
o << '\n';
}
o << '\n';
}
}
}
else
{
o << "[field size: " << x_n_rows << 'x' << x_n_cols << 'x' << x_n_slices << "]\n";
}
o.flush();
stream_state.restore(o);
}
//! Print a subfield to the specified stream
//! Assumes type oT can be printed, i.e. oT has std::ostream& operator<< (std::ostream&, const oT&)
template<typename oT>
inline
void
arma_ostream::print(std::ostream& o, const subview_field<oT>& x)
{
arma_extra_debug_sigprint();
const arma_ostream_state stream_state(o);
const std::streamsize cell_width = o.width();
const uword x_n_rows = x.n_rows;
const uword x_n_cols = x.n_cols;
const uword x_n_slices = x.n_slices;
if(x_n_slices == 1)
{
for(uword col=0; col<x_n_cols; ++col)
{
o << "[field column " << col << ']' << '\n';
for(uword row=0; row<x_n_rows; ++row)
{
o.width(cell_width);
o << x.at(row,col) << '\n';
}
o << '\n';
}
}
else
{
for(uword slice=0; slice<x_n_slices; ++slice)
{
o << "[field slice " << slice << ']' << '\n';
for(uword col=0; col<x_n_cols; ++col)
{
o << "[field column " << col << ']' << '\n';
for(uword row=0; row<x_n_rows; ++row)
{
o.width(cell_width);
o << x.at(row,col,slice) << '\n';
}
o << '\n';
}
o << '\n';
}
}
o.flush();
stream_state.restore(o);
}
template<typename eT>
inline
void
arma_ostream::print_dense(std::ostream& o, const SpMat<eT>& m, const bool modify)
{
arma_extra_debug_sigprint();
const arma_ostream_state stream_state(o);
const uword m_n_rows = m.n_rows;
const uword m_n_cols = m.n_cols;
if(m.n_nonzero > 0)
{
const std::streamsize cell_width = modify ? modify_stream<eT>(o, m.begin(), m.n_nonzero) : o.width();
typename SpMat<eT>::const_iterator begin = m.begin();
if(m_n_cols > 0)
{
if(cell_width > 0)
{
// An efficient row_iterator would make this simpler and faster
for(uword row=0; row < m_n_rows; ++row)
{
for(uword col=0; col < m_n_cols; ++col)
{
// the cell width appears to be reset after each element is printed,
// hence we need to restore it
o.width(cell_width);
eT val = eT(0);
for(typename SpMat<eT>::const_iterator it = begin; it.pos() < m.n_nonzero; ++it)
{
if(it.row() == row && it.col() == col)
{
val = *it;
break;
}
}
arma_ostream::print_elem(o,eT(val), modify);
}
o << '\n';
}
}
else
{
// An efficient row_iterator would make this simpler and faster
for(uword row=0; row < m_n_rows; ++row)
{
for(uword col=0; col < m_n_cols; ++col)
{
eT val = eT(0);
for(typename SpMat<eT>::const_iterator it = begin; it.pos() < m.n_nonzero; ++it)
{
if(it.row() == row && it.col() == col)
{
val = *it;
break;
}
}
arma_ostream::print_elem(o,eT(val), modify);
o << ' ';
}
o << '\n';
}
}
}
}
else
{
if(m.n_elem == 0)
{
o << "[matrix size: " << m_n_rows << 'x' << m_n_cols << "]\n";
}
else
{
eT tmp[1];
tmp[0] = eT(0);
const std::streamsize cell_width = modify ? arma_ostream::modify_stream(o, &tmp[0], 1) : o.width();
for(uword row=0; row < m_n_rows; ++row)
{
for(uword col=0; col < m_n_cols; ++col)
{
o.width(cell_width);
arma_ostream::print_elem_zero<eT>(o, modify);
o << ' ';
}
o << '\n';
}
}
}
o.flush();
stream_state.restore(o);
}
template<typename eT>
inline
void
arma_ostream::print(std::ostream& o, const SpMat<eT>& m, const bool modify)
{
arma_extra_debug_sigprint();
const arma_ostream_state stream_state(o);
o.unsetf(ios::showbase);
o.unsetf(ios::uppercase);
o.unsetf(ios::showpos);
o.unsetf(ios::scientific);
o.setf(ios::right);
o.setf(ios::fixed);
o.precision(2);
const uword m_n_nonzero = m.n_nonzero;
o << "[matrix size: " << m.n_rows << 'x' << m.n_cols << "; n_nonzero: " << m_n_nonzero
<< "; density: " << ((m.n_elem > 0) ? (double(m_n_nonzero) / double(m.n_elem) * double(100)) : double(0))
<< "%]\n\n";
if(modify == false) { stream_state.restore(o); }
if(m_n_nonzero > 0)
{
const std::streamsize cell_width = modify ? modify_stream<eT>(o, m.begin(), m_n_nonzero) : o.width();
typename SpMat<eT>::const_iterator begin = m.begin();
typename SpMat<eT>::const_iterator m_end = m.end();
while(begin != m_end)
{
const uword row = begin.row();
// TODO: change the maximum number of spaces before and after each location to be dependent on n_rows and n_cols
if(row < 10) { o << " "; }
else if(row < 100) { o << " "; }
else if(row < 1000) { o << " "; }
else if(row < 10000) { o << " "; }
else if(row < 100000) { o << ' '; }
const uword col = begin.col();
o << '(' << row << ", " << col << ") ";
if(col < 10) { o << " "; }
else if(col < 100) { o << " "; }
else if(col < 1000) { o << " "; }
else if(col < 10000) { o << " "; }
else if(col < 100000) { o << ' '; }
if(cell_width > 0) { o.width(cell_width); }
arma_ostream::print_elem(o, eT(*begin), modify);
o << '\n';
++begin;
}
o << '\n';
}
o.flush();
stream_state.restore(o);
}
inline
void
arma_ostream::print(std::ostream& o, const SizeMat& S)
{
arma_extra_debug_sigprint();
const arma_ostream_state stream_state(o);
o.unsetf(ios::showbase);
o.unsetf(ios::uppercase);
o.unsetf(ios::showpos);
o.setf(ios::fixed);
o << S.n_rows << 'x' << S.n_cols;
stream_state.restore(o);
}
inline
void
arma_ostream::print(std::ostream& o, const SizeCube& S)
{
arma_extra_debug_sigprint();
const arma_ostream_state stream_state(o);
o.unsetf(ios::showbase);
o.unsetf(ios::uppercase);
o.unsetf(ios::showpos);
o.setf(ios::fixed);
o << S.n_rows << 'x' << S.n_cols << 'x' << S.n_slices;
stream_state.restore(o);
}
//! @}