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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Unit Test
// Copyright (c) 2015, Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Licensed under the Boost Software License version 1.0.
// http://www.boost.org/users/license.html
#ifndef BOOST_TEST_MODULE
#define BOOST_TEST_MODULE test_math_abs
#endif
#include <cmath>
#include <iostream>
#include <boost/test/included/unit_test.hpp>
#include <boost/config.hpp>
#include "number_types.hpp"
// important: the include above must precede the include below,
// otherwise the test will fail for the custom number type:
// custom_with_global_sqrt
#include <boost/geometry/util/math.hpp>
#include <boost/geometry/algorithms/not_implemented.hpp>
namespace bg = boost::geometry;
namespace bgm = boost::geometry::math;
template <typename T>
bool eq(T const& l, T const& r)
{
return !(l < r || r < l);
}
BOOST_AUTO_TEST_CASE( test_math_abs )
{
{
float p1 = bgm::pi<float>();
double p2 = bgm::pi<double>();
long double p3 = bgm::pi<long double>();
BOOST_CHECK(bgm::abs(p1) == p1);
BOOST_CHECK(bgm::abs(p2) == p2);
BOOST_CHECK(bgm::abs(p3) == p3);
float n1 = -p1;
double n2 = -p2;
long double n3 = -p3;
BOOST_CHECK(bgm::abs(n1) == p1);
BOOST_CHECK(bgm::abs(n2) == p2);
BOOST_CHECK(bgm::abs(n3) == p3);
}
{
number_types::custom<double> p1(bgm::pi<double>());
number_types::custom_with_global_sqrt<double> p2(bgm::pi<double>());
custom_global<double> p3(bgm::pi<double>());
custom_raw<double> p4(bgm::pi<double>());
BOOST_CHECK(eq(bgm::abs(p1), p1));
BOOST_CHECK(eq(bgm::abs(p2), p2));
BOOST_CHECK(eq(bgm::abs(p3), p3));
BOOST_CHECK(eq(bgm::abs(p4), p4));
number_types::custom<double> n1 = -p1;
number_types::custom_with_global_sqrt<double> n2 = -p2;
custom_global<double> n3 = -p3;
custom_raw<double> n4 = -p4;
BOOST_CHECK(eq(bgm::abs(n1), p1));
BOOST_CHECK(eq(bgm::abs(n2), p2));
BOOST_CHECK(eq(bgm::abs(n3), p3));
BOOST_CHECK(eq(bgm::abs(n4), p4));
}
}
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