third-party-mirror / mingw-w64 / 063fb9eda93b76f6715cee4894a2dc19323f13bd / . / mingw-w64-crt / complex / csinh.def.h

/* | |

This Software is provided under the Zope Public License (ZPL) Version 2.1. | |

Copyright (c) 2009, 2010 by the mingw-w64 project | |

See the AUTHORS file for the list of contributors to the mingw-w64 project. | |

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as GPL compatible by the Free Software Foundation (FSF). | |

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in the documentation and/or other materials provided with the | |

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4. The right to distribute this software or to use it for any purpose does | |

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5. If any files are modified, you must cause the modified files to carry | |

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Disclaimer | |

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY EXPRESSED | |

OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |

OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO | |

EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT, | |

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*/ | |

__FLT_TYPE __complex__ __cdecl | |

__FLT_ABI(csinh) (__FLT_TYPE __complex__ z) | |

{ | |

__complex__ __FLT_TYPE ret; | |

__FLT_TYPE s_x, c_x; | |

int negate = signbit (__real__ z); | |

int r_class = fpclassify (__real__ z); | |

int i_class = fpclassify (__imag__ z); | |

__real__ z = __FLT_ABI(fabs) (__real__ z); | |

if (r_class == FP_NAN) | |

{ | |

__real__ ret = __FLT_NAN; | |

__imag__ ret = __imag__ z == __FLT_CST(0.0) ? __imag__ z : __FLT_NAN; | |

return ret; | |

} | |

if (r_class == FP_INFINITE) | |

{ | |

if (i_class == FP_ZERO) | |

{ | |

__real__ ret = negate ? -__FLT_HUGE_VAL : __FLT_HUGE_VAL; | |

__imag__ ret = __imag__ z; | |

return ret; | |

} | |

if (i_class == FP_NAN || i_class == FP_INFINITE) | |

{ | |

__real__ ret = __FLT_HUGE_VAL; | |

__imag__ ret = __FLT_NAN + __FLT_NAN; | |

return ret; | |

} | |

__FLT_ABI(sincos) (__imag__ z, &s_x, &c_x); | |

__real__ ret = __FLT_ABI(copysign) (__FLT_HUGE_VAL, c_x); | |

__imag__ ret = __FLT_ABI(copysign) (__FLT_HUGE_VAL, s_x); | |

if (negate) | |

__real__ ret = -__real__ ret; | |

return ret; | |

} | |

if (i_class == FP_NAN || i_class == FP_INFINITE) | |

{ | |

__real__ ret = (r_class == FP_ZERO | |

? (__FLT_ABI(copysign) (__FLT_CST(0.0), negate ? -__FLT_CST(1.0) : __FLT_CST(1.0))) : __FLT_NAN); | |

__imag__ ret = (r_class == FP_ZERO ? (__FLT_NAN + __FLT_NAN) : __FLT_NAN); | |

return ret; | |

} | |

__FLT_ABI(sincos) (__imag__ z, &s_x, &c_x); | |

__real__ ret = __FLT_ABI(sinh) (__real__ z) * c_x; | |

__imag__ ret = __FLT_ABI(cosh) (__real__ z) * s_x; | |

if (negate) | |

__real__ ret = -__real__ ret; | |

return ret; | |

} |