mirror of
https://github.com/boostorg/compute.git
synced 2026-01-28 07:02:15 +00:00
dec92cc438
This adds a new macro which allows the user to adapt a C++ struct or class for use with OpenCL given its type, name, and members. This allows for custom user-defined data-types to be used with the Boost.Compute containers and algorithms.
90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
//---------------------------------------------------------------------------//
|
|
// Copyright (c) 2013-2014 Kyle Lutz <kyle.r.lutz@gmail.com>
|
|
//
|
|
// 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
|
|
//
|
|
// See http://kylelutz.github.com/compute for more information.
|
|
//---------------------------------------------------------------------------//
|
|
|
|
#include <boost/compute/config.hpp>
|
|
|
|
#define BOOST_TEST_MODULE TestStruct
|
|
#include <boost/test/unit_test.hpp>
|
|
|
|
#include <boost/compute/function.hpp>
|
|
#include <boost/compute/algorithm/find_if.hpp>
|
|
#include <boost/compute/algorithm/transform.hpp>
|
|
#include <boost/compute/container/vector.hpp>
|
|
#include <boost/compute/functional/field.hpp>
|
|
#include <boost/compute/types/struct.hpp>
|
|
|
|
namespace compute = boost::compute;
|
|
|
|
// example code defining an atom class
|
|
namespace chemistry {
|
|
|
|
struct Atom
|
|
{
|
|
Atom()
|
|
{
|
|
}
|
|
|
|
Atom(float _x, float _y, float _z, int _number)
|
|
: x(_x), y(_y), z(_z), number(_number)
|
|
{
|
|
}
|
|
|
|
float x;
|
|
float y;
|
|
float z;
|
|
int number;
|
|
};
|
|
|
|
} // end chemistry namespace
|
|
|
|
// adapt the chemistry::Atom class
|
|
BOOST_COMPUTE_ADAPT_STRUCT(chemistry::Atom, Atom, (x, y, z, number))
|
|
|
|
#include "check_macros.hpp"
|
|
#include "context_setup.hpp"
|
|
|
|
BOOST_AUTO_TEST_CASE(atom_type_name)
|
|
{
|
|
BOOST_CHECK(std::strcmp(compute::type_name<chemistry::Atom>(), "Atom") == 0);
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE(atom_struct)
|
|
{
|
|
std::vector<chemistry::Atom> atoms;
|
|
atoms.push_back(chemistry::Atom(1.f, 0.f, 0.f, 1));
|
|
atoms.push_back(chemistry::Atom(0.f, 1.f, 0.f, 1));
|
|
atoms.push_back(chemistry::Atom(0.f, 0.f, 0.f, 8));
|
|
|
|
compute::vector<chemistry::Atom> vec(atoms.size(), context);
|
|
compute::copy(atoms.begin(), atoms.end(), vec.begin(), queue);
|
|
|
|
// find the oxygen atom
|
|
BOOST_COMPUTE_FUNCTION(bool, is_oxygen, (chemistry::Atom),
|
|
{
|
|
return _1.number == 8;
|
|
});
|
|
|
|
compute::vector<chemistry::Atom>::iterator iter =
|
|
compute::find_if(vec.begin(), vec.end(), is_oxygen, queue);
|
|
BOOST_CHECK(iter == vec.begin() + 2);
|
|
|
|
// copy the atomic numbers to another vector
|
|
compute::vector<int> atomic_numbers(vec.size(), context);
|
|
compute::transform(
|
|
vec.begin(), vec.end(),
|
|
atomic_numbers.begin(),
|
|
compute::field<int>("number"),
|
|
queue
|
|
);
|
|
CHECK_RANGE_EQUAL(int, 3, atomic_numbers, (1, 1, 8));
|
|
}
|
|
|
|
BOOST_AUTO_TEST_SUITE_END()
|