third-party-mirror / GRTEv4 / 262be5abc585813b1766119db73641d44ba3741e / . / google3 / third_party / grte / v4_src / glibc-2.19 / math / cargf.c

/* Compute argument of complex float value. | |

Copyright (C) 1997-2014 Free Software Foundation, Inc. | |

This file is part of the GNU C Library. | |

Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. | |

The GNU C Library is free software; you can redistribute it and/or | |

modify it under the terms of the GNU Lesser General Public | |

License as published by the Free Software Foundation; either | |

version 2.1 of the License, or (at your option) any later version. | |

The GNU C Library is distributed in the hope that it will be useful, | |

but WITHOUT ANY WARRANTY; without even the implied warranty of | |

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |

Lesser General Public License for more details. | |

You should have received a copy of the GNU Lesser General Public | |

License along with the GNU C Library; if not, see | |

<http://www.gnu.org/licenses/>. */ | |

#include <complex.h> | |

#include <math.h> | |

float | |

__cargf (__complex__ float x) | |

{ | |

return __atan2f (__imag__ x, __real__ x); | |

} | |

weak_alias (__cargf, cargf) |