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// SPDX-License-Identifier: Apache-2.0
//
// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
// 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 junk = int>
class span_base
{
public:
static const span_alt all;
};
template<typename junk>
const span_alt span_base<junk>::all = span_alt();
class span : public span_base<>
{
public:
uword a;
uword b;
bool whole;
inline
span()
: a(0)
, b(0)
, whole(true)
{
}
inline
span(const span_alt&)
: a(0)
, b(0)
, 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 automatic conversion of {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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