xref: /third_party/musl/libc-test/src/math/tgammaf.c (revision 570af302)
1#include <stdint.h>
2#include <stdio.h>
3#include "mtest.h"
4
5static struct f_f t[] = {
6#include "sanity/tgammaf.h"
7#include "special/tgammaf.h"
8
9};
10
11int main(void)
12{
13	#pragma STDC FENV_ACCESS ON
14	float y;
15	float d;
16	int e, i, err = 0;
17	struct f_f *p;
18
19	for (i = 0; i < sizeof t/sizeof *t; i++) {
20		p = t + i;
21
22		if (p->r < 0)
23			continue;
24		fesetround(p->r);
25		feclearexcept(FE_ALL_EXCEPT);
26		y = tgammaf(p->x);
27		e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
28
29#ifndef __aarch64__
30		if (!checkexcept(e, p->e, p->r)) {
31			printf("%s:%d: bad fp exception: %s tgammaf(%a)=%a, want %s",
32				p->file, p->line, rstr(p->r), p->x, p->y, estr(p->e));
33			printf(" got %s\n", estr(e));
34			err++;
35		}
36#endif
37		d = ulperrf(y, p->y, p->dy);
38		if (!checkulp(d, p->r)) {
39			printf("%s:%d: %s tgammaf(%a) want %a got %a ulperr %.3f = %a + %a\n",
40				p->file, p->line, rstr(p->r), p->x, p->y, y, d, d-p->dy, p->dy);
41			err++;
42		}
43	}
44	return !!err;
45}
46