/ /	.data/	.asciz	"@(#)atan2.s 1.1 92/07/30 SMI"/	.even/	.text//	Copyright (c) 1987 by Sun Microsystems, Inc.	.text	.globl	atan2atan2:	pushl	%ebp	movl	%esp,%ebp	movl	8(%ebp),%eax		/ low part of y	movl	16(%ebp),%ecx		/ low part of x	orl	%eax,%ecx	cmpl	$0,%ecx	jne	POW1	movl	12(%ebp),%eax		/ high part of y	movl	20(%ebp),%ecx		/ high part of x	orl	%eax,%ecx	andl	$0x7fffffff,%ecx	/ clear sign	cmpl	$0,%ecx	jne	POW1	/ both x and y are 0's	pushl	$3	pushl	12(%ebp)		/ high y	pushl	8(%ebp)			/ low y	pushl	20(%ebp)		/ high x	pushl	16(%ebp)		/ low x	call	SVID_libm_err		/ report SVID result/error	addl	$20,%esp	leave	ret	/ not both x and y are 0'sPOW1:	fldl	8(%esp)			/ push y	fldl	16(%esp)		/ push x	fpatan				/ return atan2(y,x)	leave	ret