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- /*=============================================================================
- Copyright (c) 2001-2011 Joel de Guzman
- Copyright (c) 2001-2011 Hartmut Kaiser
- Copyright (c) 2011 Bryce Lelbach
- Use, modification and distribution is subject to the Boost Software
- License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- http://www.boost.org/LICENSE_1_0.txt)
- =============================================================================*/
- #include "real.hpp"
- int
- main()
- {
- using spirit_test::test;
- using spirit_test::test_attr;
- ///////////////////////////////////////////////////////////////////////////
- // signed real number tests
- ///////////////////////////////////////////////////////////////////////////
- {
- using boost::spirit::qi::double_;
- using boost::spirit::qi::float_;
- using boost::spirit::qi::parse;
- double d;
- float f;
- BOOST_TEST(test("-1234", double_));
- BOOST_TEST(test_attr("-1234", double_, d) && compare(d, -1234));
- BOOST_TEST(test("-1.2e3", double_));
- BOOST_TEST(test_attr("-1.2e3", double_, d) && compare(d, -1.2e3));
- BOOST_TEST(test("+1.2e3", double_));
- BOOST_TEST(test_attr("+1.2e3", double_, d) && compare(d, 1.2e3));
- BOOST_TEST(test("-0.1", double_));
- BOOST_TEST(test_attr("-0.1", double_, d) && compare(d, -0.1));
- BOOST_TEST(test("-1.2e-3", double_));
- BOOST_TEST(test_attr("-1.2e-3", double_, d) && compare(d, -1.2e-3));
- BOOST_TEST(test("-1.e2", double_));
- BOOST_TEST(test_attr("-1.e2", double_, d) && compare(d, -1.e2));
- BOOST_TEST(test("-.2e3", double_));
- BOOST_TEST(test_attr("-.2e3", double_, d) && compare(d, -.2e3));
- BOOST_TEST(test("-2e3", double_));
- BOOST_TEST(test_attr("-2e3", double_, d) && compare(d, -2e3));
- BOOST_TEST(!test("-e3", double_));
- BOOST_TEST(!test_attr("-e3", double_, d));
- BOOST_TEST(!test("-1.2e", double_));
- BOOST_TEST(!test_attr("-1.2e", double_, d));
- BOOST_TEST(test_attr("-5.7222349715140557e+307", double_, d));
- BOOST_TEST(d == -5.7222349715140557e+307); // exact!
- BOOST_TEST(test_attr("2.0332938517515416e-308", double_, d));
- BOOST_TEST(d == 2.0332938517515416e-308); // exact!
- BOOST_TEST(test_attr("20332938517515416e291", double_, d));
- BOOST_TEST(d == 20332938517515416e291); // exact!
- BOOST_TEST(test_attr("2.0332938517515416e307", double_, d));
- BOOST_TEST(d == 2.0332938517515416e307); // exact!
- BOOST_TEST(test_attr("1.7976931348623157e+308", double_, d)); // DBL_MAX
- BOOST_TEST(d == 1.7976931348623157e+308); // exact!
- BOOST_TEST(test_attr("2.2204460492503131e-16", double_, d)); // DBL_EPSILON
- BOOST_TEST(d == 2.2204460492503131e-16); // exact!
- BOOST_TEST(test_attr("2.2250738585072014e-308", double_, d)); // DBL_MIN
- BOOST_TEST(d == 2.2250738585072014e-308); // exact!
- BOOST_TEST(test_attr("4.9406564584124654e-324", double_, d)); // DBL_DENORM_MIN
- BOOST_TEST(d == 4.9406564584124654e-324); // exact!
- BOOST_TEST(test_attr("219721.03839999999", double_, d));
- BOOST_TEST(d == 219721.03839999999); // exact!
- BOOST_TEST(test_attr("-5.7222349715140557e+307", double_, d));
- BOOST_TEST(d == -5.7222349715140557e+307); // exact!
- BOOST_TEST(test_attr("2.2204460492503131e-16", double_, d));
- BOOST_TEST(d == 2.2204460492503131e-16); // exact!
- // floats...
- BOOST_TEST(test_attr("3.402823466e+38", float_, f)); // FLT_MAX
- BOOST_TEST(f == 3.402823466e+38F); // exact!
- BOOST_TEST(test_attr("1.192092896e-07", float_, f)); // FLT_EPSILON
- BOOST_TEST(f == 1.192092896e-07F); // exact!
- BOOST_TEST(test_attr("1.175494351e-38", float_, f)); // FLT_MIN
- BOOST_TEST(f == 1.175494351e-38F); // exact!
- BOOST_TEST(test_attr("219721.03839999999", float_, f));
- BOOST_TEST(f == 219721.03839999999f); // inexact
- BOOST_TEST(test_attr("2.2204460492503131e-16", float_, f));
- BOOST_TEST(f == 2.2204460492503131e-16f); // inexact
- // big exponents!
- // fail, but do not assert!
- BOOST_TEST(!test_attr("123e1234000000", double_, d));
- BOOST_TEST(!test_attr("123e-1234000000", double_, d));
- using boost::math::fpclassify;
- using boost::spirit::detail::signbit; // Boost version is broken
- BOOST_TEST(test("-inf", double_));
- BOOST_TEST(test("-infinity", double_));
- BOOST_TEST(test_attr("-inf", double_, d) &&
- FP_INFINITE == fpclassify(d) && signbit(d));
- BOOST_TEST(test_attr("-infinity", double_, d) &&
- FP_INFINITE == fpclassify(d) && signbit(d));
- BOOST_TEST(test("-INF", double_));
- BOOST_TEST(test("-INFINITY", double_));
- BOOST_TEST(test_attr("-INF", double_, d) &&
- FP_INFINITE == fpclassify(d) && signbit(d));
- BOOST_TEST(test_attr("-INFINITY", double_, d) &&
- FP_INFINITE == fpclassify(d) && signbit(d));
- BOOST_TEST(test("-nan", double_));
- BOOST_TEST(test_attr("-nan", double_, d) &&
- FP_NAN == fpclassify(d) && signbit(d));
- BOOST_TEST(test("-NAN", double_));
- BOOST_TEST(test_attr("-NAN", double_, d) &&
- FP_NAN == fpclassify(d) && signbit(d));
- BOOST_TEST(test("-nan(...)", double_));
- BOOST_TEST(test_attr("-nan(...)", double_, d) &&
- FP_NAN == fpclassify(d) && signbit(d));
- BOOST_TEST(test("-NAN(...)", double_));
- BOOST_TEST(test_attr("-NAN(...)", double_, d) &&
- FP_NAN == fpclassify(d) && signbit(d));
- BOOST_TEST(!test("1e999", double_));
- BOOST_TEST(!test("1e-999", double_));
- BOOST_TEST(test_attr("2.1111111e-303", double_, d) &&
- compare(d, 2.1111111e-303));
- BOOST_TEST(!test_attr("1.1234e", double_, d) && compare(d, 1.1234));
- // https://svn.boost.org/trac10/ticket/11608
- BOOST_TEST(test_attr("1267650600228229401496703205376", double_, d) &&
- compare(d, 1.2676506002282294e+30));
- BOOST_TEST(test_attr("12676506.00228229401496703205376", double_, d) &&
- compare(d, 12676506.00228229, 0.00000001));
- BOOST_TEST(test_attr("12676506.00228229401496703205376E6", double_, d) &&
- compare(d, 12676506002282.29, 0.01));
- char const* long_number = "17976931348623157081452742373170435679807056"
- "7525844996598917476803157260780028538760589558632766878171540458953"
- "5143824642343213268894641827684675467035375169860499105765512820762"
- "4549009038932894407586850845513394230458323690322294816580855933212"
- "3348274797826204144723168738177180919299881250404026184124858368.00"
- "00000000000000";
- BOOST_TEST(test_attr(long_number, double_, d) &&
- compare(d, 1.7976931348623157e+308));
- }
- return boost::report_errors();
- }
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