103 lines
2.6 KiB
C++
103 lines
2.6 KiB
C++
// 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>
|
|
|
|
#ifdef HAVE_TTMATH
|
|
# include <boost/geometry/extensions/contrib/ttmath_stub.hpp>
|
|
#endif
|
|
|
|
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));
|
|
}
|
|
|
|
#ifdef HAVE_TTMATH
|
|
{
|
|
ttmath_big p1 = bgm::pi<ttmath_big>();
|
|
ttmath::Big<1, 4> p1 = bgm::pi<ttmath::Big<1, 4> >();
|
|
|
|
BOOST_CHECK(bgm::abs(p1) == p1);
|
|
BOOST_CHECK(bgm::abs(p2) == p2);
|
|
|
|
ttmath_big n1 = -p1;
|
|
ttmath::Big<1, 4> n2 = -p2;
|
|
|
|
BOOST_CHECK(bgm::abs(n1) == p1);
|
|
BOOST_CHECK(bgm::abs(n2) == p2);
|
|
}
|
|
#endif
|
|
}
|
|
|