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88 lines
3.5 KiB
C++
88 lines
3.5 KiB
C++
// Copyright 2008-2024 Emil Dotchevski and Reverge Studios, Inc.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifdef BOOST_QVM_TEST_SINGLE_HEADER
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# include BOOST_QVM_TEST_SINGLE_HEADER
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#else
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# include <boost/qvm/vec_operations.hpp>
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#endif
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#include <boost/qvm/vec_traits_array.hpp>
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#include <boost/core/lightweight_test.hpp>
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template <class T,class U>
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struct same_type;
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template <class T>
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struct
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same_type<T,T>
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{
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};
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template <class T,class P>
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void
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test_ref_cast( T & v, P * ptr )
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{
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using namespace boost::qvm;
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BOOST_QVM_STATIC_ASSERT(is_vec<T>::value);
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BOOST_QVM_STATIC_ASSERT(vec_traits<T>::dim==3);
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BOOST_TEST_EQ(vec_traits<T>::template read_element<0>(v), ptr[0]);
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BOOST_TEST_EQ(vec_traits<T>::template read_element<1>(v), ptr[1]);
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BOOST_TEST_EQ(vec_traits<T>::template read_element<2>(v), ptr[2]);
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BOOST_TEST_EQ(&vec_traits<T>::template write_element<0>(v), &ptr[0]);
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BOOST_TEST_EQ(&vec_traits<T>::template write_element<1>(v), &ptr[1]);
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BOOST_TEST_EQ(&vec_traits<T>::template write_element<2>(v), &ptr[2]);
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BOOST_TEST_EQ(&v[0], &ptr[0]);
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BOOST_TEST_EQ(&v[1], &ptr[1]);
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BOOST_TEST_EQ(&v[2], &ptr[2]);
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}
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int
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main()
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{
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using namespace boost::qvm;
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{
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BOOST_QVM_STATIC_ASSERT(is_vec<int[3]>::value);
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BOOST_QVM_STATIC_ASSERT(!is_vec<int[3][3]>::value);
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BOOST_QVM_STATIC_ASSERT(!is_vec<int[3][3][3]>::value);
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BOOST_QVM_STATIC_ASSERT((vec_traits<int[3]>::dim==3));
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same_type<vec_traits<int[3]>::scalar_type,int>();
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same_type< vec<int,3>, deduce_vec<int[3]>::type >();
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same_type< vec<int,3>, deduce_vec<int const[3]>::type >();
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int arr[3] = {0,1,2};
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BOOST_TEST_EQ((vec_traits<int[3]>::read_element<0>(arr)), 0);
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BOOST_TEST_EQ((vec_traits<int[3]>::read_element<1>(arr)), 1);
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BOOST_TEST_EQ((vec_traits<int[3]>::read_element<2>(arr)), 2);
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BOOST_TEST_EQ((vec_traits<int const[3]>::read_element<0>(arr)), 0);
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BOOST_TEST_EQ((vec_traits<int const[3]>::read_element<1>(arr)), 1);
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BOOST_TEST_EQ((vec_traits<int const[3]>::read_element<2>(arr)), 2);
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BOOST_TEST_EQ((vec_traits<int[3]>::read_element_idx(0,arr)), 0);
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BOOST_TEST_EQ((vec_traits<int[3]>::read_element_idx(1,arr)), 1);
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BOOST_TEST_EQ((vec_traits<int[3]>::read_element_idx(2,arr)), 2);
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BOOST_TEST_EQ((vec_traits<int const[3]>::read_element_idx(0,arr)), 0);
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BOOST_TEST_EQ((vec_traits<int const[3]>::read_element_idx(1,arr)), 1);
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BOOST_TEST_EQ((vec_traits<int const[3]>::read_element_idx(2,arr)), 2);
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BOOST_TEST_EQ((&vec_traits<int[3]>::write_element<0>(arr)), &arr[0]);
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BOOST_TEST_EQ((&vec_traits<int[3]>::write_element<1>(arr)), &arr[1]);
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BOOST_TEST_EQ((&vec_traits<int[3]>::write_element<2>(arr)), &arr[2]);
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BOOST_TEST_EQ((&vec_traits<int[3]>::write_element_idx(0,arr)), &arr[0]);
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BOOST_TEST_EQ((&vec_traits<int[3]>::write_element_idx(1,arr)), &arr[1]);
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BOOST_TEST_EQ((&vec_traits<int[3]>::write_element_idx(2,arr)), &arr[2]);
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}
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{
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int arr[42] = {0};
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int * ptr=arr+5;
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ptr[0]=42;
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ptr[1]=43;
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ptr[2]=44;
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test_ref_cast(ptr_vref<3>(ptr),ptr);
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int v[3] = {1,1,1};
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ptr_vref<3>(ptr) += vref(v);
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BOOST_TEST_EQ(ptr[0], 43);
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BOOST_TEST_EQ(ptr[1], 44);
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BOOST_TEST_EQ(ptr[2], 45);
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}
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return boost::report_errors();
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}
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