1 /* Complex sine hyperbole function. m68k fpu version
2 Copyright (C) 1997, 1999 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library. If not, see
18 <http://www.gnu.org/licenses/>. */
28 #define float_type double
31 #define CONCATX(a,b) __CONCAT(a,b)
32 #define s(name) CONCATX(name,SUFF)
33 #define m81(func) __m81_u(s(func))
35 __complex__ float_type
36 s(__csinh
) (__complex__ float_type x
)
38 __complex__ float_type retval
;
39 unsigned long ix_cond
;
41 ix_cond
= __m81_test (__imag__ x
);
43 if ((ix_cond
& (__M81_COND_INF
|__M81_COND_NAN
)) == 0)
45 /* Imaginary part is finite. */
46 float_type sin_ix
, cos_ix
;
48 __asm ("fsincos%.x %2,%1:%0" : "=f" (sin_ix
), "=f" (cos_ix
)
50 __real__ retval
= cos_ix
* m81(__ieee754_sinh
) (__real__ x
);
51 if (ix_cond
& __M81_COND_ZERO
)
52 __imag__ retval
= __imag__ x
;
54 __imag__ retval
= sin_ix
* m81(__ieee754_cosh
) (__real__ x
);
58 unsigned long rx_cond
= __m81_test (__real__ x
);
60 __imag__ retval
= __imag__ x
- __imag__ x
;
61 if (rx_cond
& (__M81_COND_ZERO
|__M81_COND_INF
|__M81_COND_NAN
))
62 __real__ retval
= __real__ x
;
64 __real__ retval
= __imag__ retval
;
69 #define weak_aliasx(a,b) weak_alias(a,b)
70 weak_aliasx (s(__csinh
), s(csinh
))