verdnatura-chat/ios/Pods/boost-for-react-native/boost/qvm/deduce_vec.hpp

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2.3 KiB
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//Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
//Distributed under the Boost Software License, Version 1.0. (See accompanying
//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifndef UUID_7E7AB138196311E0907B246CDFD72085
#define UUID_7E7AB138196311E0907B246CDFD72085
#include <boost/qvm/deduce_scalar.hpp>
#include <boost/qvm/vec_traits.hpp>
#include <boost/qvm/static_assert.hpp>
namespace
boost
{
namespace
qvm
{
template <class T,int D>
struct vec;
namespace
qvm_detail
{
template <class V,int D,
int VD=vec_traits<V>::dim>
struct
deduce_vec_default
{
typedef vec<typename vec_traits<V>::scalar_type,D> type;
};
template <class V,int D>
struct
deduce_vec_default<V,D,D>
{
typedef V type;
};
}
template <class V,int Dim=vec_traits<V>::dim>
struct
deduce_vec
{
BOOST_QVM_STATIC_ASSERT(is_vec<V>::value);
typedef typename qvm_detail::deduce_vec_default<V,Dim>::type type;
};
namespace
qvm_detail
{
template <class A,class B,int D,
bool VA=is_vec<A>::value,
bool VB=is_vec<B>::value,
int AD=vec_traits<A>::dim,
int BD=vec_traits<B>::dim>
struct
deduce_v2_default
{
typedef vec<
typename deduce_scalar<
typename scalar<A>::type,
typename scalar<B>::type>::type,
D> type;
};
template <class V,int D>
struct
deduce_v2_default<V,V,D,true,true,D,D>
{
typedef V type;
};
}
template <class A,class B,int D>
struct
deduce_vec2
{
BOOST_QVM_STATIC_ASSERT(is_vec<A>::value || is_vec<B>::value);
typedef typename qvm_detail::deduce_v2_default<A,B,D>::type type;
};
}
}
#endif