glibc/sysdeps/i386/fpu/e_asinf.S
Ulrich Drepper abfbdde177 Update.
1999-07-14 00:54:57 +00:00

22 lines
399 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: $")
/* asin = atan (x / sqrt(1 - x^2)) */
ENTRY(__ieee754_asinf)
flds 4(%esp) /* x */
fld %st
fmul %st(0) /* x^2 */
fld1
fsubp /* 1 - x^2 */
fsqrt /* sqrt (1 - x^2) */
fpatan
ret
END (__ieee754_asinf)