libcruft-util/region.ipp

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2015-09-21 15:33:58 +10:00
/*
* 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.
*
* Copyright 2010-2015 Danny Robson <danny@nerdcruft.net>
*/
#ifdef __UTIL_REGION_IPP
#error
#endif
#define __UTIL_REGION_IPP
///////////////////////////////////////////////////////////////////////////////
template <size_t S, typename T>
template <typename U>
constexpr util::region<S,U>
util::region<S,T>::cast (void) const
{
return {
p.template cast<U> (),
e.template cast<U> ()
};
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}
///////////////////////////////////////////////////////////////////////////////
template <size_t S, typename T>
constexpr
util::region<S,T>
util::region<S,T>::max (void)
{
return {
util::point <S,T> {std::numeric_limits<T>::lowest () / 2},
util::extent<S,T> {std::numeric_limits<T>::max ()}
};
}
//-----------------------------------------------------------------------------
template <size_t S, typename T>
constexpr
util::region<S,T>
util::region<S,T>::unit (void)
{
return {
point_t::origin (),
extent_t {1}
};
}