newlib-cygwin/winsup/mingw/mingwex/math/atan2f.c

16 lines
216 B
C

/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*
*/
#include <math.h>
float
atan2f (float y, float x)
{
float res;
asm ("fpatan" : "=t" (res) : "u" (y), "0" (x) : "st(1)");
return res;
}