real2.cpp 8.1 KB

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  1. // Copyright (c) 2001-2011 Hartmut Kaiser
  2. // Copyright (c) 2011 Bryce Lelbach
  3. //
  4. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  5. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  6. #include "real.hpp"
  7. ///////////////////////////////////////////////////////////////////////////////
  8. int main()
  9. {
  10. using namespace boost::spirit;
  11. {
  12. using namespace boost::spirit::ascii;
  13. ///////////////////////////////////////////////////////////////////////
  14. BOOST_TEST(test_delimited("0.0 ", double_, 0.0, char_(' ')));
  15. BOOST_TEST(test_delimited("1.0 ", double_, 1.0, char_(' ')));
  16. BOOST_TEST(test_delimited("1.0 ", double_, 1.0001, char_(' ')));
  17. BOOST_TEST(test_delimited("1.001 ", double_, 1.001, char_(' ')));
  18. BOOST_TEST(test_delimited("1.01 ", double_, 1.010, char_(' ')));
  19. BOOST_TEST(test_delimited("1.1 ", double_, 1.100, char_(' ')));
  20. BOOST_TEST(test_delimited("1.234e-04 ", double_, 0.00012345, char_(' ')));
  21. BOOST_TEST(test_delimited("0.001 ", double_, 0.0012345, char_(' ')));
  22. BOOST_TEST(test_delimited("0.012 ", double_, 0.012345, char_(' ')));
  23. BOOST_TEST(test_delimited("0.123 ", double_, 0.12345, char_(' ')));
  24. BOOST_TEST(test_delimited("1.234 ", double_, 1.2345, char_(' ')));
  25. BOOST_TEST(test_delimited("12.346 ", double_, 12.346, char_(' ')));
  26. BOOST_TEST(test_delimited("123.46 ", double_, 123.46, char_(' ')));
  27. BOOST_TEST(test_delimited("1234.5 ", double_, 1234.5, char_(' ')));
  28. BOOST_TEST(test_delimited("12342.0 ", double_, 12342., char_(' ')));
  29. BOOST_TEST(test_delimited("1.234e05 ", double_, 123420., char_(' ')));
  30. BOOST_TEST(test_delimited("-1.0 ", double_, -1.0, char_(' ')));
  31. BOOST_TEST(test_delimited("-1.234 ", double_, -1.2345, char_(' ')));
  32. BOOST_TEST(test_delimited("-1.235 ", double_, -1.2346, char_(' ')));
  33. BOOST_TEST(test_delimited("-1234.2 ", double_, -1234.2, char_(' ')));
  34. BOOST_TEST(test_delimited("1.0 ", double_(1.0), char_(' ')));
  35. BOOST_TEST(test_delimited("1.0 ", double_(1.0001), char_(' ')));
  36. BOOST_TEST(test_delimited("1.001 ", double_(1.001), char_(' ')));
  37. BOOST_TEST(test_delimited("1.01 ", double_(1.010), char_(' ')));
  38. BOOST_TEST(test_delimited("1.1 ", double_(1.100), char_(' ')));
  39. BOOST_TEST(test_delimited("1.234e-04 ", double_(0.00012345), char_(' ')));
  40. BOOST_TEST(test_delimited("0.001 ", double_(0.0012345), char_(' ')));
  41. BOOST_TEST(test_delimited("0.012 ", double_(0.012345), char_(' ')));
  42. BOOST_TEST(test_delimited("0.123 ", double_(0.12345), char_(' ')));
  43. BOOST_TEST(test_delimited("1.234 ", double_(1.2345), char_(' ')));
  44. BOOST_TEST(test_delimited("12.346 ", double_(12.346), char_(' ')));
  45. BOOST_TEST(test_delimited("123.46 ", double_(123.46), char_(' ')));
  46. BOOST_TEST(test_delimited("1234.5 ", double_(1234.5), char_(' ')));
  47. BOOST_TEST(test_delimited("12342.0 ", double_(12342.), char_(' ')));
  48. BOOST_TEST(test_delimited("1.234e05 ", double_(123420.), char_(' ')));
  49. }
  50. {
  51. using namespace boost::spirit::ascii;
  52. ///////////////////////////////////////////////////////////////////////
  53. // test NaN and Inf
  54. BOOST_TEST(test_delimited("nan ", double_,
  55. std::numeric_limits<double>::quiet_NaN(), char_(' ')));
  56. BOOST_TEST(test_delimited("-nan ", double_,
  57. -std::numeric_limits<double>::quiet_NaN(), char_(' ')));
  58. BOOST_TEST(test_delimited("inf ", double_,
  59. std::numeric_limits<double>::infinity(), char_(' ')));
  60. BOOST_TEST(test_delimited("-inf ", double_,
  61. -std::numeric_limits<double>::infinity(), char_(' ')));
  62. typedef karma::real_generator<double, signed_policy<double> > signed_type;
  63. signed_type const signed_ = signed_type();
  64. BOOST_TEST(test_delimited("+nan ", signed_,
  65. std::numeric_limits<double>::quiet_NaN(), char_(' ')));
  66. BOOST_TEST(test_delimited("-nan ", signed_,
  67. -std::numeric_limits<double>::quiet_NaN(), char_(' ')));
  68. BOOST_TEST(test_delimited("+inf ", signed_,
  69. std::numeric_limits<double>::infinity(), char_(' ')));
  70. BOOST_TEST(test_delimited("-inf ", signed_,
  71. -std::numeric_limits<double>::infinity(), char_(' ')));
  72. #if defined(BOOST_SPIRIT_ZERO_PROBLEM)
  73. BOOST_TEST(test_delimited(" 0.0 ", signed_, 0.0, char_(' ')));
  74. #endif
  75. }
  76. {
  77. using namespace boost::spirit::ascii;
  78. ///////////////////////////////////////////////////////////////////////
  79. typedef karma::real_generator<double, scientific_policy<double> >
  80. science_type;
  81. science_type const science = science_type();
  82. BOOST_TEST(test("0.0e00", science, 0.0));
  83. BOOST_TEST(test("1.0e00", science, 1.0));
  84. BOOST_TEST(test("1.234e-05", science, 0.000012345));
  85. BOOST_TEST(test("1.234e-04", science, 0.00012345));
  86. BOOST_TEST(test("1.234e-03", science, 0.0012345));
  87. BOOST_TEST(test("1.234e-02", science, 0.012345));
  88. BOOST_TEST(test("1.235e-01", science, 0.12345)); // note the rounding error!
  89. BOOST_TEST(test("1.234e00", science, 1.2345));
  90. BOOST_TEST(test("1.235e01", science, 12.346));
  91. BOOST_TEST(test("1.235e02", science, 123.46));
  92. BOOST_TEST(test("1.234e03", science, 1234.5));
  93. BOOST_TEST(test("1.234e04", science, 12342.));
  94. BOOST_TEST(test("1.234e05", science, 123420.));
  95. BOOST_TEST(test("-1.234e-05", science, -0.000012345));
  96. BOOST_TEST(test("-1.234e-04", science, -0.00012345));
  97. BOOST_TEST(test("-1.234e-03", science, -0.0012345));
  98. BOOST_TEST(test("-1.234e-02", science, -0.012345));
  99. BOOST_TEST(test("-1.235e-01", science, -0.12345)); // note the rounding error!
  100. BOOST_TEST(test("-1.234e00", science, -1.2345));
  101. BOOST_TEST(test("-1.235e01", science, -12.346));
  102. BOOST_TEST(test("-1.235e02", science, -123.46));
  103. BOOST_TEST(test("-1.234e03", science, -1234.5));
  104. BOOST_TEST(test("-1.234e04", science, -12342.));
  105. BOOST_TEST(test("-1.234e05", science, -123420.));
  106. BOOST_TEST(test("1.234E-05", upper[science], 0.000012345));
  107. BOOST_TEST(test("1.234E-04", upper[science], 0.00012345));
  108. BOOST_TEST(test("1.234E-03", upper[science], 0.0012345));
  109. BOOST_TEST(test("1.234E-02", upper[science], 0.012345));
  110. BOOST_TEST(test("1.235E-01", upper[science], 0.12345)); // note the rounding error!
  111. BOOST_TEST(test("1.234E00", upper[science], 1.2345));
  112. BOOST_TEST(test("1.235E01", upper[science], 12.346));
  113. BOOST_TEST(test("1.235E02", upper[science], 123.46));
  114. BOOST_TEST(test("1.234E03", upper[science], 1234.5));
  115. BOOST_TEST(test("1.234E04", upper[science], 12342.));
  116. BOOST_TEST(test("1.234E05", upper[science], 123420.));
  117. BOOST_TEST(test("-1.234E-05", upper[science], -0.000012345));
  118. BOOST_TEST(test("-1.234E-04", upper[science], -0.00012345));
  119. BOOST_TEST(test("-1.234E-03", upper[science], -0.0012345));
  120. BOOST_TEST(test("-1.234E-02", upper[science], -0.012345));
  121. BOOST_TEST(test("-1.235E-01", upper[science], -0.12345)); // note the rounding error!
  122. BOOST_TEST(test("-1.234E00", upper[science], -1.2345));
  123. BOOST_TEST(test("-1.235E01", upper[science], -12.346));
  124. BOOST_TEST(test("-1.235E02", upper[science], -123.46));
  125. BOOST_TEST(test("-1.234E03", upper[science], -1234.5));
  126. BOOST_TEST(test("-1.234E04", upper[science], -12342.));
  127. BOOST_TEST(test("-1.234E05", upper[science], -123420.));
  128. }
  129. {
  130. BOOST_TEST(test("1.0", lit(1.0)));
  131. BOOST_TEST(test("1.0", lit(1.0f)));
  132. BOOST_TEST(test("1.0", lit(1.0l)));
  133. BOOST_TEST(test("1.0", double_(1.0), 1.0));
  134. BOOST_TEST(test("1.0", float_(1.0), 1.0f));
  135. BOOST_TEST(test("1.0", long_double(1.0), 1.0l));
  136. BOOST_TEST(!test("", double_(1.0), 2.0));
  137. BOOST_TEST(!test("", float_(1.0), 2.0f));
  138. BOOST_TEST(!test("", long_double(1.0), 2.0l));
  139. }
  140. return boost::report_errors();
  141. }