mirror of
https://github.com/reactos/reactos.git
synced 2024-09-21 02:01:15 +00:00
28 lines
377 B
C
28 lines
377 B
C
|
|
#include <math.h>
|
|
|
|
double atan2 (double __y, double __x);
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
double atan2 (double __y, double __x)
|
|
{
|
|
register double __val;
|
|
#ifdef __GNUC__
|
|
__asm __volatile__
|
|
("fpatan\n\t"
|
|
"fld %%st(0)"
|
|
: "=t" (__val) : "0" (__x), "u" (__y));
|
|
#else
|
|
__asm
|
|
{
|
|
fld __y
|
|
fld __x
|
|
fpatan
|
|
fstp __val
|
|
}
|
|
#endif /*__GNUC__*/
|
|
return __val;
|
|
}
|