[thirdparty/glibc.git] / sysdeps / libm-i387 / e_asin.S

/*
 * Written by J.T. Conklin <jtc@netbsd.org>.
 * Public domain.
 */

#include <machine/asm.h>

RCSID("$NetBSD: e_asin.S,v 1.4 1995/05/08 23:45:40 jtc Exp $")

/* asin = atan (x / sqrt(1 - x^2)) */
ENTRY(__ieee754_asin)
	fldl	4(%esp)			/* x */
	fst	%st(1)
	fmul	%st(0)			/* x^2 */
	fld1
	fsubp				/* 1 - x^2 */
	fsqrt				/* sqrt (1 - x^2) */
	fpatan
	ret
PSEUDO_END (__ieee754_asin)
Commit	Line	Data
f7eac6eb RM	1	/*
	2	* Written by J.T. Conklin <jtc@netbsd.org>.
	3	* Public domain.
	4	*/
	5
	6	#include <machine/asm.h>
	7
	8	RCSID("$NetBSD: e_asin.S,v 1.4 1995/05/08 23:45:40 jtc Exp $")
	9
	10	/* asin = atan (x / sqrt(1 - x^2)) */
	11	ENTRY(__ieee754_asin)
	12	fldl 4(%esp) /* x */
	13	fst %st(1)
	14	fmul %st(0) /* x^2 */
	15	fld1
	16	fsubp /* 1 - x^2 */
	17	fsqrt /* sqrt (1 - x^2) */
	18	fpatan
	19	ret
cccda09f	20	PSEUDO_END (__ieee754_asin)