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

18 lines
206 B
C

/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*
*/
#include <math.h>
float
atanf (float x)
{
float res;
asm ("fld1\n\t"
"fpatan" : "=t" (res) : "0" (x));
return res;
}