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/*
* This file is a part of TiledArray.
* Copyright (C) 2017 Virginia Tech
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Eduard Valeyev
* Department of Chemistry, Virginia Tech
*
* type_traits.cpp
* Apr 7, 2017
*
*/
#include "unit_test_config.h"
#include "TiledArray/meta.h"
#include <cmath>
struct MetaFixture {}; // MetaFixture
BOOST_FIXTURE_TEST_SUITE(meta_suite, MetaFixture)
double sin(double x) { return std::sin(x); }
double cos(double x) { return std::cos(x); }
madness::Future<double> async_cos(double x) {
return TiledArray::get_default_world().taskq.add(cos, x);
}
BOOST_AUTO_TEST_CASE(sanity) {
using namespace TiledArray;
meta::invoke(sin, meta::invoke(cos, 2.0));
meta::invoke(sin, meta::invoke(async_cos, 2.0));
}
template <typename T>
class vec {
public:
vec() = default;
vec(const vec& other)
: size_(other.size_), data_(std::make_unique<T[]>(size_)) {
std::copy(other.begin(), other.end(), this->begin());
}
vec(vec& other) : size_(other.size_), data_(std::make_unique<T[]>(size_)) {
std::copy(other.begin(), other.end(), this->begin());
}
vec(vec&& other) {
std::cout << "moving vec\n";
std::swap(size_, other.size_);
std::swap(data_, other.data_);
}
explicit vec(size_t size) : size_(size), data_(std::make_unique<T[]>(size)) {}
vec(size_t size, T value) : size_(size), data_(std::make_unique<T[]>(size)) {
std::fill(begin(), end(), value);
}
vec& operator=(const vec& other) {
size_ = other.size_;
data_ = std::make_unique<T[]>(size_);
std::copy(other.begin(), other.end(), this->begin());
return *this;
}
vec& operator=(vec&& other) = default;
T* begin() { return data_.get(); }
T* end() { return begin() + size_; }
const T* begin() const { return data_.get(); }
const T* end() const { return begin() + size_; }
size_t size() const { return size_; }
template <typename Archive>
void serialize(Archive& ar) {
abort();
}
T& operator[](size_t idx) { return *(data_ + idx); };
private:
size_t size_;
std::unique_ptr<T[]> data_;
};
vec<double> vsin(const vec<double>& x) {
vec<double> result(x.size());
std::transform(x.begin(), x.end(), result.begin(), sin);
return result;
}
vec<double> vcos(const vec<double>& x) {
vec<double> result(x.size());
std::transform(x.begin(), x.end(), result.begin(), cos);
return result;
}
// these must be disabled since call to taskq.add() cannot deduce rvalue refs as
// args
// vec<double> vsin(vec<double>&& x) {
// for(auto& v : x) {
// v = sin(v);
// }
// return std::move(x);
//}
// vec<double> vcos(vec<double>&& x) {
// for(auto& v : x) {
// v = cos(v);
// }
// return std::move(x);
//}
template <typename T>
struct type_printer;
madness::Future<vec<double>> async_vcos(const vec<double>& x) {
auto exec = [](const vec<double>& x) { return vcos(x); };
return TiledArray::get_default_world().taskq.add(exec, x);
}
BOOST_AUTO_TEST_CASE(movability) {
using namespace TiledArray;
meta::invoke(vsin, meta::invoke(vcos, vec<double>(13, 2.0)));
meta::invoke(vsin, meta::invoke(async_vcos, vec<double>(13, 2.0)));
}
BOOST_AUTO_TEST_SUITE_END()
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