/usr/include/armadillo_bits/span.hpp is in libarmadillo-dev 1:8.400.0+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright 2008-2016 National ICT Australia (NICTA)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------
//! \addtogroup span
//! @{
struct span_alt {};
template<typename Dummy = int>
class span_base
{
public:
static const span_alt all;
};
template<typename Dummy>
const span_alt span_base<Dummy>::all = span_alt();
class span : public span_base<>
{
public:
uword a;
uword b;
bool whole;
inline
span()
: whole(true)
{
}
inline
span(const span_alt&)
: whole(true)
{
}
inline
explicit
span(const uword in_a)
: a(in_a)
, b(in_a)
, whole(false)
{
}
// the "explicit" keyword is required here to prevent a C++11 compiler
// automatically converting {a,b} into an instance of span() when submatrices are specified
inline
explicit
span(const uword in_a, const uword in_b)
: a(in_a)
, b(in_b)
, whole(false)
{
}
};
//! @}
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