mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-18 02:50:09 +00:00
23 lines
412 B
ArmAsm
23 lines
412 B
ArmAsm
/*
|
|
* Written by J.T. Conklin <jtc@netbsd.org>.
|
|
* Public domain.
|
|
* Adapted for float type by Ulrich Drepper <drepper@cygnus.com>.
|
|
*/
|
|
|
|
#include <machine/asm.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) */
|
|
fxch %st(1)
|
|
fpatan
|
|
ret
|
|
END (__ieee754_acosf)
|