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 tanf using Intel float instructions. 15 16 float _f_tanf (float 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_tanf) 25 SOTYPE_FUNCTION(_f_tanf) 26 27SYM (_f_tanf): 28 pushl ebp 29 movl esp,ebp 30 flds 8(ebp) 31 fptan 32 ffree %st(0) 33 fincstp 34 35 leave 36 ret 37 38#endif 39