1/*
2 * Written by J.T. Conklin <jtc@netbsd.org>.
3 * Public domain.
4 */
5
6#include <machine/asm.h>
7
8RCSID("$NetBSD: s_tan.S,v 1.5 1995/05/09 00:30:00 jtc Exp $")
9
10ENTRY(__tan)
11	fldl	4(%esp)
12	fptan
13	fnstsw	%ax
14	testl	$0x400,%eax
15	jnz	1f
16	fstp	%st(0)
17	ret
181:	fldpi
19	fadd	%st(0)
20	fxch	%st(1)
212:	fprem1
22	fstsw	%ax
23	testl	$0x400,%eax
24	jnz	2b
25	fstp	%st(1)
26	fptan
27	fstp	%st(0)
28	ret
29END (__tan)
30weak_alias (__tan, tan)
31