hana/test/range/product.cpp
2017-01-07 14:14:18 -08:00

86 lines
3.0 KiB
C++

// Copyright Louis Dionne 2013-2017
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
#include <boost/hana/assert.hpp>
#include <boost/hana/core/make.hpp>
#include <boost/hana/equal.hpp>
#include <boost/hana/integral_constant.hpp>
#include <boost/hana/product.hpp>
#include <boost/hana/range.hpp>
namespace hana = boost::hana;
int main() {
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<-3>, hana::int_c<-3>)),
hana::int_c<1>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<-3>, hana::int_c<-2>)),
hana::int_c<-3>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<-3>, hana::int_c<-1>)),
hana::int_c<-3 * -2>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<-3>, hana::int_c<0>)),
hana::int_c<-3 * -2 * -1>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<-3>, hana::int_c<1>)),
hana::int_c<-3 * -2 * -1 * 0>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<-3>, hana::int_c<2>)),
hana::int_c<-3 * -2 * -1 * 0 * 1>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<-3>, hana::int_c<3>)),
hana::int_c<-3 * -2 * -1 * 0 * 1 * 2>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<1>, hana::int_c<1>)),
hana::int_c<1>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<1>, hana::int_c<2>)),
hana::int_c<1>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<1>, hana::int_c<3>)),
hana::int_c<1 * 2>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<1>, hana::int_c<4>)),
hana::int_c<1 * 2 * 3>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<1>, hana::int_c<5>)),
hana::int_c<1 * 2 * 3 * 4>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<3>, hana::int_c<3>)),
hana::int_c<1>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<3>, hana::int_c<4>)),
hana::int_c<3>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<3>, hana::int_c<5>)),
hana::int_c<3 * 4>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<3>, hana::int_c<6>)),
hana::int_c<3 * 4 * 5>
));
BOOST_HANA_CONSTANT_CHECK(hana::equal(
hana::product<>(hana::make_range(hana::int_c<3>, hana::int_c<7>)),
hana::int_c<3 * 4 * 5 * 6>
));
}