newlib-cygwin/newlib/libc/machine/i386/f_atan2.S

38 lines
713 B
ArmAsm
Raw Normal View History

2000-02-18 03:39:52 +08:00
/*
* ====================================================
* Copyright (C) 1998 by Cygnus Solutions. 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)
2000-02-18 03:39:52 +08:00
/*
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)
2000-02-18 03:39:52 +08:00
SYM (_f_atan2):
pushl ebp
movl esp,ebp
fldl 8(ebp)
fldl 16(ebp)
fpatan
leave
ret
#endif