third-party-mirror / mingw-w64 / 063fb9eda93b76f6715cee4894a2dc19323f13bd / . / mingw-w64-crt / testcases / complex / cabs.c

/* | |

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*/ | |

#include "complex_test.h" | |

/** | |

* Annex F.9.4.3 of the hypot function | |

* cabs (z) == hypot (__real__ z, __imag__ z). | |

* hypot (x, y) == hypot (x, -y), therefore is conjugate. | |

* hypot (x, y) == hypot (y, x). | |

* hypot (x, +/-0) == fabs (x). | |

* hypot (+/-inf, y) == +inf, for all y (including NaN). | |

*/ | |

int __FLT_ABI(test_function_cabs) () | |

{ | |

_DEFINE_DEFAULT_TEST_FUNCTION_REAL (cabs, FUNC_BEHAVIOR_CONJ); | |

DEFAULT_TESTS_START | |

DEFINE_TEST (__FLT_CST( 0.0), __FLT_CST(42.42), __FLT_CST(42.42), __FLT_NAN, 0, 0) | |

DEFINE_TEST (__FLT_CST(-0.0), __FLT_CST(42.42), __FLT_CST(42.42), __FLT_NAN, 0, 0) | |

DEFINE_TEST ( INFINITY, __FLT_CST(42.42), INFINITY, __FLT_NAN, 0, 0) | |

DEFINE_TEST ( -INFINITY, __FLT_CST(42.42), INFINITY, __FLT_NAN, 0, 0) | |

DEFINE_TEST ( INFINITY, __FLT_NAN, INFINITY, __FLT_NAN, 0, 0) | |

DEFINE_TEST ( -INFINITY, __FLT_NAN, INFINITY, __FLT_NAN, 0, 0) | |

/* check x,y == y,x */ | |

DEFINE_TEST (__FLT_CST( 42.42), __FLT_CST(0.0), __FLT_CST(42.42), __FLT_NAN, 0, 0) | |

DEFINE_TEST (__FLT_CST(-42.42), __FLT_CST(0.0), __FLT_CST(42.42), __FLT_NAN, 0, 0) | |

DEFINE_TEST (__FLT_CST( 42.42), INFINITY, INFINITY, __FLT_NAN, 0, 0) | |

DEFINE_TEST (__FLT_CST(-42.42), INFINITY, INFINITY, __FLT_NAN, 0, 0) | |

DEFINE_TEST ( __FLT_NAN, INFINITY, INFINITY, __FLT_NAN, 0, 0) | |

DEFINE_TEST ( -__FLT_NAN, INFINITY, INFINITY, __FLT_NAN, 0, 0) | |

TESTS_END | |

return RUN_DEFAULT_TESTS(cabs); | |

} |