1 #include <stdint.h>
2 #include <stdio.h>
3 #include "mtest.h"
4
5 static struct dd_d t[] = {
6 #include "ucb/hypot.h"
7 #include "sanity/hypot.h"
8 #include "special/hypot.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, err = 0;
18 struct dd_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 = hypot(p->x, p->x2);
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 hypot(%a,%a)=%a, want %s",
32 p->file, p->line, rstr(p->r), p->x, p->x2, p->y, estr(p->e));
33 printf(" got %s\n", estr(e));
34 err++;
35 }
36 d = ulperr(y, p->y, p->dy);
37 if (!checkulp(d, p->r) || (p->r == RN && fabs(d) >= 1.0)) {
38 printf("%s:%d: %s hypot(%a,%a) want %a got %a ulperr %.3f = %a + %a\n",
39 p->file, p->line, rstr(p->r), p->x, p->x2, p->y, y, d, d-p->dy, p->dy);
40 err++;
41 }
42 }
43 return !!err;
44 }
45