blob: cf2b75daf1e2e6c0929c37114b3b720221fc3889 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
* Adapted for float type by Ulrich Drepper <drepper@cygnus.com>.
*/
#include <machine/asm.h>
#include <libm-alias-finite.h>
RCSID("$NetBSD: $")
/* acos = atan (sqrt(1 - x^2) / x) */
ENTRY(__ieee754_acosf)
flds 4(%esp) /* x */
fld %st
fmul %st(0) /* x^2 */
fld1
fsubp /* 1 - x^2 */
fsqrt /* sqrt (1 - x^2) */
fabs
fxch %st(1)
fpatan
ret
END (__ieee754_acosf)
libm_alias_finite (__ieee754_acosf, __acosf)
|
