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#include <picolibc.h> 12 13#if !defined(_SOFT_FLOAT) 14 15/* 16Fast version of tanf using Intel float instructions. 17 18 float _f_tanf (float x); 19 20Function calculates the tangent of x. 21There is no error checking or setting of errno. 22*/ 23 24 #include "i386mach.h" 25 26 .global SYM (_f_tanf) 27 SOTYPE_FUNCTION(_f_tanf) 28 29SYM (_f_tanf): 30 pushl ebp 31 movl esp,ebp 32 flds 8(ebp) 33 fptan 34 ffree %st(0) 35 fincstp 36 37 leave 38 ret 39 40#endif 41