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qvm/test/test_qvm_vector.hpp
2024-09-21 21:10:37 -07:00

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2.9 KiB
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#ifndef BOOST_QVM_TEST_QVM_VECTOR_HPP_INCLUDED
#define BOOST_QVM_TEST_QVM_VECTOR_HPP_INCLUDED
// Copyright 2008-2024 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)
#if defined(BOOST_QVM_TEST_SINGLE_HEADER) && !defined(BOOST_QVM_TEST_SINGLE_HEADER)
# define BOOST_QVM_TEST_REF_WRITE_ELEMENT
#endif
#include <boost/qvm/vec_traits_defaults.hpp>
#include <boost/qvm/deduce_vec.hpp>
#include <boost/qvm/assert.hpp>
#include "test_qvm.hpp"
namespace
test_qvm
{
template <class Tag,int Dim,class T=float>
struct
vector
{
T a[Dim];
mutable T b[Dim];
explicit
vector( T start=T(0), T step=T(0) )
{
for( int i=0; i!=Dim; ++i,start+=step )
a[i]=b[i]=start;
}
};
template <int Dim,class Tag1,class T1,class Tag2,class T2>
void
dump_ab( vector<Tag1,Dim,T1> const & a, vector<Tag2,Dim,T2> const & b )
{
detail::dump_ab(a.a,b.a);
}
}
namespace boost { namespace qvm {
#ifdef BOOST_QVM_TEST_REF_WRITE_ELEMENT
template <class Tag,int Dim,class T>
struct
vec_traits< test_qvm::vector<Tag,Dim,T> >:
vec_traits_defaults<test_qvm::vector<Tag,Dim,T>,T,Dim>
{
typedef vec_traits_defaults<test_qvm::vector<Tag,Dim,T>,T,Dim> base;
template <int I>
static
T &
write_element( typename base::vec_type & v )
{
BOOST_QVM_STATIC_ASSERT(I>=0);
BOOST_QVM_STATIC_ASSERT(I<Dim);
return v.a[I];
}
using base::write_element_idx;
};
#else
template <class Tag,int Dim,class T>
struct
vec_traits< test_qvm::vector<Tag,Dim,T> >
{
typedef test_qvm::vector<Tag,Dim,T> this_vector;
typedef T scalar_type;
static int const dim=Dim;
template <int I>
static
T
read_element( this_vector const & v )
{
BOOST_QVM_STATIC_ASSERT(I>=0);
BOOST_QVM_STATIC_ASSERT(I<Dim);
return v.a[I];
}
template <int I>
static
void
write_element( this_vector & v, T s )
{
BOOST_QVM_STATIC_ASSERT(I>=0);
BOOST_QVM_STATIC_ASSERT(I<Dim);
v.a[I] = s;
}
static
T
read_element_idx( int i, this_vector const & v )
{
BOOST_QVM_ASSERT(i>=0);
BOOST_QVM_ASSERT(i<Dim);
return v.a[i];
}
static
void
write_element_idx( int i, this_vector & v, T s )
{
BOOST_QVM_ASSERT(i>=0);
BOOST_QVM_ASSERT(i<Dim);
v.a[i] = s;
}
};
#endif
template <class Tag,class T,int D1,int D2,int Dim>
struct
deduce_vec2<test_qvm::vector<Tag,D1,T>,test_qvm::vector<Tag,D2,T>,Dim>
{
typedef test_qvm::vector<Tag,Dim,T> type;
};
} }
namespace
{
struct V1;
struct V2;
struct V3;
}
#endif