1 #define _DEFAULT_SOURCE 1
2 #define _BSD_SOURCE 1
3 #include <stdint.h>
4 #include <stdio.h>
5 #include "mtest.h"
6
7 static struct fi_f t[] = {
8 #include "sanity/ynf.h"
9 #include "special/ynf.h"
10 };
11
main(void)12 int main(void)
13 {
14 #pragma STDC FENV_ACCESS ON
15 double y;
16 float d;
17 int e, i, bad, err = 0;
18 struct fi_f *p;
19
20 for (i = 0; i < sizeof t/sizeof *t; i++) {
21 p = t + i;
22
23 if (p->r < 0)
24 continue;
25 fesetround(p->r);
26 feclearexcept(FE_ALL_EXCEPT);
27 y = ynf(p->i, p->x);
28 e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
29
30 if (!checkexcept(e, p->e, p->r)) {
31 printf("%s:%d: bad fp exception: %s ynf(%lld, %a)=%a, want %s",
32 p->file, p->line, rstr(p->r), p->i, p->x, p->y, estr(p->e));
33 printf(" got %s\n", estr(e));
34 err++;
35 }
36 d = ulperrf(y, p->y, p->dy);
37 bad = p->x < 0 && !isnan(y) && y != -inf;
38 if (bad || (!(p->x < 0) && !checkulp(d, p->r))) {
39 if (!bad && fabsf(d) < 2.5f)
40 printf("X ");
41 else
42 err++;
43 printf("%s:%d: %s ynf(%lld, %a) want %a got %a, ulperr %.3f = %a + %a\n",
44 p->file, p->line, rstr(p->r), p->i, p->x, p->y, y, d, d-p->dy, p->dy);
45 }
46 }
47 return !!err;
48 }
49