1 /* Definitions of libc internal inline math functions implemented
3 Copyright (C) 1991,92,93,94,96,97,98,99 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
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/>. */
20 /* This file contains the definitions of the inline math functions that
21 are only used internally inside libm, not visible to the user. */
23 __inline_mathop (__ieee754_acos, acos)
24 __inline_mathop (__ieee754_asin, asin)
25 __inline_mathop (__ieee754_cosh, cosh)
26 __inline_mathop (__ieee754_sinh, sinh)
27 __inline_mathop (__ieee754_exp, etox)
28 __inline_mathop (__ieee754_exp2, twotox)
29 __inline_mathop (__ieee754_exp10, tentox)
30 __inline_mathop (__ieee754_log10, log10)
31 __inline_mathop (__ieee754_log2, log2)
32 __inline_mathop (__ieee754_log, logn)
33 __inline_mathop (__ieee754_sqrt, sqrt)
34 __inline_mathop (__ieee754_atanh, atanh)
36 __m81_defun (double, __ieee754_remainder, (double __x, double __y))
39 __asm ("frem%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
43 __m81_defun (float, __ieee754_remainderf, (float __x, float __y))
46 __asm ("frem%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
50 __m81_defun (long double,
51 __ieee754_remainderl, (long double __x, long double __y))
54 __asm ("frem%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
58 __m81_defun (double, __ieee754_fmod, (double __x, double __y))
61 __asm ("fmod%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
65 __m81_defun (float, __ieee754_fmodf, (float __x, float __y))
68 __asm ("fmod%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
72 __m81_defun (long double,
73 __ieee754_fmodl, (long double __x, long double __y))
76 __asm ("fmod%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
80 /* Get the m68881 condition codes, to quickly check multiple conditions. */
81 static __inline__ unsigned long
82 __m81_test (long double __val)
85 __asm ("ftst%.x %1; fmove%.l %/fpsr,%0" : "=dm" (__fpsr) : "f" (__val));
89 /* Bit values returned by __m81_test. */
90 #define __M81_COND_NAN (1 << 24)
91 #define __M81_COND_INF (2 << 24)
92 #define __M81_COND_ZERO (4 << 24)
93 #define __M81_COND_NEG (8 << 24)