xref: /third_party/musl/libc-test/src/math/sincosf.c (revision 570af302)
1#define _GNU_SOURCE 1
2#include <stdint.h>
3#include <stdio.h>
4#include "mtest.h"
5
6static struct f_ff t[] = {
7#include "sanity/sincosf.h"
8#include "special/sincosf.h"
9};
10
11int main(void)
12{
13	#pragma STDC FENV_ACCESS ON
14	float ysin, ycos;
15	float dsin, dcos;
16	int e, i, err = 0;
17	struct f_ff *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		sincosf(p->x, &ysin, &ycos);
27		e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
28
29		if (!checkexcept(e, p->e, p->r)) {
30			printf("%s:%d: bad fp exception: %s sincosf(%a)=%a,%a, want %s",
31				p->file, p->line, rstr(p->r), p->x, p->y, p->y2, estr(p->e));
32			printf(" got %s\n", estr(e));
33			err++;
34		}
35		dsin = ulperrf(ysin, p->y, p->dy);
36		dcos = ulperrf(ycos, p->y2, p->dy2);
37		if (!checkulp(dsin, p->r) || !checkulp(dcos, p->r)) {
38			printf("%s:%d: %s sincosf(%a) want %a,%a got %a,%a, ulperr %.3f = %a + %a, %.3f = %a + %a\n",
39				p->file, p->line, rstr(p->r), p->x, p->y, p->y2, ysin, ycos,
40				dsin, dsin-p->dy, p->dy, dcos, dcos-p->dy2, p->dy2);
41			err++;
42		}
43	}
44	return !!err;
45}
46