mirror of
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9643bbdf4c
It might cost us backward compatibility with ancient compilers, exotic platforms, and yield a performance difference on MSVC, but Boost.Math is C++11 now, and Clang-cl can (or even should) be used instead of MSVC where performance matters.
173 lines
6.8 KiB
C++
173 lines
6.8 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2011 Joel de Guzman
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Copyright (c) 2001-2011 Hartmut Kaiser
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Copyright (c) 2011 Bryce Lelbach
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Use, modification and distribution is subject to the Boost Software
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License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#include "real.hpp"
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int
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main()
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{
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using spirit_test::test;
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using spirit_test::test_attr;
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///////////////////////////////////////////////////////////////////////////
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// signed real number tests
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///////////////////////////////////////////////////////////////////////////
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{
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using boost::spirit::qi::double_;
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using boost::spirit::qi::float_;
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using boost::spirit::qi::parse;
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double d;
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float f;
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BOOST_TEST(test("-1234", double_));
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BOOST_TEST(test_attr("-1234", double_, d) && compare(d, -1234));
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BOOST_TEST(test("-1.2e3", double_));
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BOOST_TEST(test_attr("-1.2e3", double_, d) && compare(d, -1.2e3));
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BOOST_TEST(test("+1.2e3", double_));
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BOOST_TEST(test_attr("+1.2e3", double_, d) && compare(d, 1.2e3));
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BOOST_TEST(test("-0.1", double_));
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BOOST_TEST(test_attr("-0.1", double_, d) && compare(d, -0.1));
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BOOST_TEST(test("-1.2e-3", double_));
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BOOST_TEST(test_attr("-1.2e-3", double_, d) && compare(d, -1.2e-3));
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BOOST_TEST(test("-1.e2", double_));
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BOOST_TEST(test_attr("-1.e2", double_, d) && compare(d, -1.e2));
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BOOST_TEST(test("-.2e3", double_));
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BOOST_TEST(test_attr("-.2e3", double_, d) && compare(d, -.2e3));
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BOOST_TEST(test("-2e3", double_));
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BOOST_TEST(test_attr("-2e3", double_, d) && compare(d, -2e3));
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BOOST_TEST(!test("-e3", double_));
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BOOST_TEST(!test_attr("-e3", double_, d));
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BOOST_TEST(!test("-1.2e", double_));
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BOOST_TEST(!test_attr("-1.2e", double_, d));
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BOOST_TEST(test_attr("-5.7222349715140557e+307", double_, d));
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BOOST_TEST(d == -5.7222349715140557e+307); // exact!
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BOOST_TEST(test_attr("2.0332938517515416e-308", double_, d));
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BOOST_TEST(d == 2.0332938517515416e-308); // exact!
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BOOST_TEST(test_attr("20332938517515416e291", double_, d));
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BOOST_TEST(d == 20332938517515416e291); // exact!
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BOOST_TEST(test_attr("2.0332938517515416e307", double_, d));
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BOOST_TEST(d == 2.0332938517515416e307); // exact!
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BOOST_TEST(test_attr("1.7976931348623157e+308", double_, d)); // DBL_MAX
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BOOST_TEST(d == 1.7976931348623157e+308); // exact!
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BOOST_TEST(test_attr("2.2204460492503131e-16", double_, d)); // DBL_EPSILON
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BOOST_TEST(d == 2.2204460492503131e-16); // exact!
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BOOST_TEST(test_attr("2.2250738585072014e-308", double_, d)); // DBL_MIN
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BOOST_TEST(d == 2.2250738585072014e-308); // exact!
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BOOST_TEST(test_attr("4.9406564584124654e-324", double_, d)); // DBL_DENORM_MIN
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BOOST_TEST(d == 4.9406564584124654e-324); // exact!
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BOOST_TEST(test_attr("219721.03839999999", double_, d));
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BOOST_TEST(d == 219721.03839999999); // exact!
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BOOST_TEST(test_attr("-5.7222349715140557e+307", double_, d));
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BOOST_TEST(d == -5.7222349715140557e+307); // exact!
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BOOST_TEST(test_attr("2.2204460492503131e-16", double_, d));
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BOOST_TEST(d == 2.2204460492503131e-16); // exact!
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// floats...
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BOOST_TEST(test_attr("3.402823466e+38", float_, f)); // FLT_MAX
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BOOST_TEST(f == 3.402823466e+38F); // exact!
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BOOST_TEST(test_attr("1.192092896e-07", float_, f)); // FLT_EPSILON
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BOOST_TEST(f == 1.192092896e-07F); // exact!
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BOOST_TEST(test_attr("1.175494351e-38", float_, f)); // FLT_MIN
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BOOST_TEST(f == 1.175494351e-38F); // exact!
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BOOST_TEST(test_attr("219721.03839999999", float_, f));
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BOOST_TEST(f == 219721.03839999999f); // inexact
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BOOST_TEST(test_attr("2.2204460492503131e-16", float_, f));
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BOOST_TEST(f == 2.2204460492503131e-16f); // inexact
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// big exponents!
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// fail, but do not assert!
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BOOST_TEST(!test_attr("123e1234000000", double_, d));
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BOOST_TEST(!test_attr("123e-1234000000", double_, d));
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using boost::core::isinf;
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using boost::core::isnan;
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using boost::core::signbit;
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BOOST_TEST(test("-inf", double_));
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BOOST_TEST(test("-infinity", double_));
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BOOST_TEST(test_attr("-inf", double_, d) &&
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isinf(d) && signbit(d));
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BOOST_TEST(test_attr("-infinity", double_, d) &&
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isinf(d) && signbit(d));
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BOOST_TEST(test("-INF", double_));
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BOOST_TEST(test("-INFINITY", double_));
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BOOST_TEST(test_attr("-INF", double_, d) &&
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isinf(d) && signbit(d));
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BOOST_TEST(test_attr("-INFINITY", double_, d) &&
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isinf(d) && signbit(d));
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BOOST_TEST(test("-nan", double_));
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BOOST_TEST(test_attr("-nan", double_, d) &&
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isnan(d) && signbit(d));
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BOOST_TEST(test("-NAN", double_));
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BOOST_TEST(test_attr("-NAN", double_, d) &&
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isnan(d) && signbit(d));
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BOOST_TEST(test("-nan(...)", double_));
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BOOST_TEST(test_attr("-nan(...)", double_, d) &&
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isnan(d) && signbit(d));
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BOOST_TEST(test("-NAN(...)", double_));
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BOOST_TEST(test_attr("-NAN(...)", double_, d) &&
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isnan(d) && signbit(d));
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BOOST_TEST(!test("1e999", double_));
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BOOST_TEST(!test("1e-999", double_));
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BOOST_TEST(test_attr("2.1111111e-303", double_, d) &&
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compare(d, 2.1111111e-303));
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BOOST_TEST(!test_attr("1.1234e", double_, d) && compare(d, 1.1234));
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// https://svn.boost.org/trac10/ticket/11608
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BOOST_TEST(test_attr("1267650600228229401496703205376", double_, d) &&
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compare(d, 1.2676506002282294e+30));
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BOOST_TEST(test_attr("12676506.00228229401496703205376", double_, d) &&
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compare(d, 12676506.00228229, 0.00000001));
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BOOST_TEST(test_attr("12676506.00228229401496703205376E6", double_, d) &&
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compare(d, 12676506002282.29, 0.01));
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char const* long_number = "17976931348623157081452742373170435679807056"
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"7525844996598917476803157260780028538760589558632766878171540458953"
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"5143824642343213268894641827684675467035375169860499105765512820762"
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"4549009038932894407586850845513394230458323690322294816580855933212"
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"3348274797826204144723168738177180919299881250404026184124858368.00"
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"00000000000000";
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BOOST_TEST(test_attr(long_number, double_, d) &&
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compare(d, 1.7976931348623157e+308));
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}
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return boost::report_errors();
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}
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