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Diffstat (limited to 'src/boost/libs/spirit/test/qi/real2.cpp')
-rw-r--r-- | src/boost/libs/spirit/test/qi/real2.cpp | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/boost/libs/spirit/test/qi/real2.cpp b/src/boost/libs/spirit/test/qi/real2.cpp new file mode 100644 index 00000000..e30226b2 --- /dev/null +++ b/src/boost/libs/spirit/test/qi/real2.cpp @@ -0,0 +1,171 @@ +/*============================================================================= + 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(); +} |