1#include <stdint.h>
2#include <stdio.h>
3#include "mtest.h"
4
5static struct ff_f t[] = {
6#include "sanity/nextafterf.h"
7#include "special/nextafterf.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 ff_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 = nextafterf(p->x, p->x2);
27		e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
28
29		if (!checkexceptall(e, p->e, p->r)) {
30			printf("%s:%d: bad fp exception: %s nextafterf(%a,%a)=%a, want %s",
31				p->file, p->line, rstr(p->r), p->x, p->x2, p->y, estr(p->e));
32			printf(" got %s\n", estr(e));
33			err++;
34		}
35		d = ulperrf(y, p->y, p->dy);
36		if (!checkcr(y, p->y, p->r)) {
37			printf("%s:%d: %s nextafterf(%a,%a) want %a got %a ulperr %.3f = %a + %a\n",
38				p->file, p->line, rstr(p->r), p->x, p->x2, p->y, y, d, d-p->dy, p->dy);
39			err++;
40		}
41	}
42	return !!err;
43}
44