newlib-cygwin/newlib/libm/machine/spu/headers/tgammaf.h

30 lines
777 B
C

#include <errno.h>
#include "headers/truncf4.h"
#include "headers/tgammaf4.h"
static __inline float _tgammaf(float x)
{
float res;
vector float vx;
vector float truncx;
vector float vc = { 0.0, 0.0 };
vector unsigned int cmpres;
vector signed int verrno, ferrno;
vector signed int fail = { EDOM, EDOM, EDOM, EDOM };
vx = spu_promote(x, 0);
res = spu_extract(_tgammaf4(vx), 0);
#ifndef _IEEE_LIBM
/*
* use vector truncf4 rather than splat x, and splat truncx.
*/
truncx = _truncf4(vx);
cmpres = spu_cmpeq(truncx, vx);
verrno = spu_splats(errno);
ferrno = spu_sel(verrno, fail, (vector unsigned int) cmpres);
cmpres = spu_cmpgt(vc, vx);
errno = spu_extract(spu_sel(verrno, ferrno, (vector unsigned int) cmpres), 0);
#endif
return res;
}