1 #define _XOPEN_SOURCE 700
2 #include <stdint.h>
3 #include <stdio.h>
4 #include "mtest.h"
5
6 static struct di_d t[] = {
7 #include "sanity/jn.h"
8 #include "special/jn.h"
9 };
10
main(void)11 int main(void)
12 {
13 #pragma STDC FENV_ACCESS ON
14 double y;
15 float d;
16 int e, i, err = 0;
17 struct di_d *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 = jn(p->i, p->x);
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 jn(%lld, %a)=%a, want %s",
31 p->file, p->line, rstr(p->r), p->i, p->x, p->y, estr(p->e));
32 printf(" got %s\n", estr(e));
33 err++;
34 }
35 d = ulperr(y, p->y, p->dy);
36 if (!checkulp(d, p->r)) {
37 if (fabsf(d) < 3.0f)
38 printf("X ");
39 else
40 err++;
41 printf("%s:%d: %s jn(%lld, %a) want %a got %a, ulperr %.3f = %a + %a\n",
42 p->file, p->line, rstr(p->r), p->i, p->x, p->y, y, d, d-p->dy, p->dy);
43 }
44 }
45 return !!err;
46 }
47