/usr/include/armadillo_bits/glue_max_meat.hpp is in libarmadillo-dev 1:4.200.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | // Copyright (C) 2013 Conrad Sanderson
// Copyright (C) 2013 NICTA (www.nicta.com.au)
//
// 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/.
//! \addtogroup glue_max
//! @{
template<typename eT, typename T1, typename T2>
inline
void
glue_max::apply(Mat<eT>& out, const Proxy<T1>& PA, const Proxy<T2>& PB)
{
arma_extra_debug_sigprint();
const uword n_rows = PA.get_n_rows();
const uword n_cols = PA.get_n_cols();
arma_debug_assert_same_size(n_rows, n_cols, PB.get_n_rows(), PB.get_n_cols(), "max(): given objects do not have the same size");
out.set_size(n_rows, n_cols);
eT* out_mem = out.memptr();
if( (Proxy<T1>::prefer_at_accessor == false) && (Proxy<T2>::prefer_at_accessor == false) )
{
typename Proxy<T1>::ea_type A = PA.get_ea();
typename Proxy<T2>::ea_type B = PB.get_ea();
const uword N = PA.get_n_elem();
for(uword i=0; i<N; ++i)
{
out_mem[i] = (std::max)(A[i], B[i]);
}
}
else
{
for(uword col=0; col < n_cols; ++col)
for(uword row=0; row < n_rows; ++row)
{
*out_mem = (std::max)( PA.at(row,col), PB.at(row,col) );
++out_mem;
}
}
}
template<typename T, typename T1, typename T2>
inline
void
glue_max::apply(Mat< std::complex<T> >& out, const Proxy<T1>& PA, const Proxy<T2>& PB)
{
arma_extra_debug_sigprint();
typedef typename std::complex<T> eT;
const uword n_rows = PA.get_n_rows();
const uword n_cols = PA.get_n_cols();
arma_debug_assert_same_size(n_rows, n_cols, PB.get_n_rows(), PB.get_n_cols(), "max(): given objects do not have the same size");
out.set_size(n_rows, n_cols);
eT* out_mem = out.memptr();
if( (Proxy<T1>::prefer_at_accessor == false) && (Proxy<T2>::prefer_at_accessor == false) )
{
typename Proxy<T1>::ea_type A = PA.get_ea();
typename Proxy<T2>::ea_type B = PB.get_ea();
const uword N = PA.get_n_elem();
for(uword i=0; i<N; ++i)
{
const eT A_val = A[i];
const eT B_val = B[i];
out_mem[i] = ( std::abs(A_val) > std::abs(B_val) ) ? A_val : B_val;
}
}
else
{
for(uword col=0; col < n_cols; ++col)
for(uword row=0; row < n_rows; ++row)
{
const eT A_val = PA.at(row,col);
const eT B_val = PB.at(row,col);
*out_mem = ( std::abs(A_val) > std::abs(B_val) ) ? A_val : B_val;
++out_mem;
}
}
}
template<typename T1, typename T2>
inline
void
glue_max::apply(Mat<typename T1::elem_type>& out, const Glue<T1, T2, glue_max>& X)
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
const Proxy<T1> PA(X.A);
const Proxy<T2> PB(X.B);
if(PA.is_alias(out) || PB.is_alias(out))
{
Mat<eT> tmp;
glue_max::apply(tmp, PA, PB);
out.steal_mem(tmp);
}
else
{
glue_max::apply(out, PA, PB);
}
}
//! @}
|