1 #define _XOPEN_SOURCE 700
2 #include <stdint.h>
3 #include <stdio.h>
4 #include "mtest.h"
5
6 static struct d_d t[] = {
7 #include "sanity/y0.h"
8 #include "special/y0.h"
9
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 d_d *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 = y0(p->x);
28 e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
29
30 #ifndef __aarch64__
31 if (!checkexcept(e, p->e, p->r)) {
32 printf("%s:%d: bad fp exception: %s y0(%a)=%a, want %s",
33 p->file, p->line, rstr(p->r), p->x, p->y, estr(p->e));
34 printf(" got %s\n", estr(e));
35 err++;
36 }
37 #endif
38 d = ulperr(y, p->y, p->dy);
39 bad = p->x < 0 && !isnan(y) && y != -inf;
40 if (bad || (!(p->x < 0) && !checkulp(d, p->r))) {
41 if (!bad && fabsf(d) < 0x1p52f)
42 printf("X ");
43 else
44 err++;
45 printf("%s:%d: %s y0(%a) want %a got %a ulperr %.3f = %a + %a\n",
46 p->file, p->line, rstr(p->r), p->x, p->y, y, d, d-p->dy, p->dy);
47 }
48 }
49 return !!err;
50 }
51