/* Complex sine hyperbole function. m68k fpu version Copyright (C) 1997-2023 Free Software Foundation, Inc. This file is part of the GNU C Library. 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 . */ #include #include #include "mathimpl.h" #define CONCATX(a,b) __CONCAT(a,b) #define s(name) M_SUF (name) #define m81(func) __m81_u(s(func)) CFLOAT s(__csinh) (CFLOAT x) { CFLOAT retval; unsigned long ix_cond; 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_sinh) (__real__ x); if (ix_cond & __M81_COND_ZERO) __imag__ retval = __imag__ x; else __imag__ retval = sin_ix * m81(__ieee754_cosh) (__real__ x); } else { unsigned long rx_cond = __m81_test (__real__ x); __imag__ retval = __imag__ x - __imag__ x; if (rx_cond & (__M81_COND_ZERO|__M81_COND_INF|__M81_COND_NAN)) __real__ retval = __real__ x; else __real__ retval = __imag__ retval; } return retval; } declare_mgen_alias (__csinh, csinh)