libcruft-util/geom/ops.hpp
Danny Robson 87d442772c geom/ops: remove point-point distance via sfinae
point-point distance is already defined outside of the geom namespace
2018-04-16 16:00:32 +10:00

103 lines
2.3 KiB
C++

/*
* 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 2015-2018 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_GEOM_OPS_HPP
#define __UTIL_GEOM_OPS_HPP
#include "./fwd.hpp"
#include "../point.hpp"
#include <type_traits>
///////////////////////////////////////////////////////////////////////////////
namespace util::geom {
template <
size_t S,
typename T,
template <size_t,typename> class A,
template <size_t,typename> class B
>
bool
intersects (A<S,T>, B<S,T>);
template <
size_t S,
typename T,
template <size_t,typename> class A,
template <size_t,typename> class B
>
T
distance2 (A<S,T>, B<S,T>);
// disable distance for point-point arguments given it's already
// explicitly specified in the point header.
template <
size_t S,
typename T,
template <size_t,typename> class A,
template <size_t,typename> class B,
typename = std::enable_if_t<
!std::is_same_v<util::point<S,T>, A> &&
!std::is_same_v<util::point<S,T>, B>
>
>
T
distance (A<S,T>, B<S,T>);
template <
size_t S,
typename T,
template <size_t,typename> class K
>
aabb<S,T>
bounds (K<S,T>);
template <
size_t S,
typename T,
template <size_t,typename> class K
>
T
diameter (K<S,T>);
template <
size_t S,
typename T,
template <size_t,typename> class K
>
point<S,T>
closest (K<S,T>, point<S,T>);
template <
size_t S,
typename T,
template <size_t,typename> class K
>
vector<S,T>
magnitude (K<S,T>);
template <
size_t S,
typename T,
template <size_t,typename> class K
>
K<S,T>
scale (K<S,T>, T);
}
#endif