1/*
2 * ====================================================
3 * Copyright (C) 1998, 2002 by Red Hat Inc. All rights reserved.
4 *
5 * Permission to use, copy, modify, and distribute this
6 * software is freely granted, provided that this notice
7 * is preserved.
8 * ====================================================
9 */
10
11#if !defined(_SOFT_FLOAT)
12
13/*
14Fast version of tan using Intel float instructions.
15
16   double _f_tan (double x);
17
18Function calculates the tangent of x.
19There is no error checking or setting of errno.
20*/
21
22	#include "i386mach.h"
23
24	.global SYM (_f_tan)
25       SOTYPE_FUNCTION(_f_tan)
26
27SYM (_f_tan):
28	pushl ebp
29	movl esp,ebp
30	fldl 8(ebp)
31	fptan
32	ffree %st(0)
33	fincstp
34
35	leave
36	ret
37
38#endif
39