| /* |
| * ==================================================== |
| * Copyright (C) 1998, 2002 by Red Hat Inc. All rights reserved. |
| * |
| * Permission to use, copy, modify, and distribute this |
| * software is freely granted, provided that this notice |
| * is preserved. |
| * ==================================================== |
| */ |
| |
| #if !defined(_SOFT_FLOAT) |
| |
| /* |
| Fast version of atan2 using Intel float instructions. |
| |
| double _f_atan2 (double y, double x); |
| |
| Function computes arctan ( y / x ). |
| There is no error checking or setting of errno. |
| */ |
| |
| #include "i386mach.h" |
| |
| .global SYM (_f_atan2) |
| SOTYPE_FUNCTION(_f_atan2) |
| |
| SYM (_f_atan2): |
| pushl ebp |
| movl esp,ebp |
| fldl 8(ebp) |
| fldl 16(ebp) |
| fpatan |
| |
| leave |
| ret |
| |
| #endif |
