text: /* Complex cosine hyperbole function.  m68k fpu version
     Copyright (C) 1997-2020 Free Software Foundation, Inc.
     This file is part of the GNU C Library.
     Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>.
  
     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
     <https://www.gnu.org/licenses/>.  */
  
  #include <complex.h>
  #include <math.h>
  #include "mathimpl.h"
  
  #define s(name) M_SUF (name)
  #define m81(func) __m81_u(s(func))
  
  CFLOAT
  s(__ccosh) (CFLOAT x)
  {
    CFLOAT retval;
    unsigned long ix_cond = __m81_test (__imag__ x);
  
    if ((ix_cond & (__M81_COND_INF|__M81_COND_NAN)) == 0)
      {
        /* Imaginary part is finite.  */
        FLOAT sin_ix, cos_ix;
  
        __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix), "=f" (cos_ix)
  	     : "f" (__imag__ x));
        __real__ retval = cos_ix * m81(__ieee754_cosh) (__real__ x);
        if (ix_cond & __M81_COND_ZERO)
  	__imag__ retval = (signbit (__real__ x)
  			   ? -__imag__ x : __imag__ x);
        else
  	__imag__ retval = sin_ix * m81(__ieee754_sinh) (__real__ x);
      }
    else
      {
        unsigned long rx_cond = __m81_test (__real__ x);
  
        if (rx_cond & __M81_COND_ZERO)
  	{
  	  __real__ retval = __imag__ x - __imag__ x;
  	  __imag__ retval = __real__ x;
  	}
        else
  	{
  	  if (rx_cond & __M81_COND_INF)
  	    __real__ retval = s(fabs) (__real__ x);
  	  else
  	    __real__ retval = s(__nan) ("");
  	  __imag__ retval = __imag__ x - __imag__ x;
  	}
      }
  
    return retval;
  }
  declare_mgen_alias (__ccosh, ccosh)
  