1 #include <stdint.h>
2 #include <stdio.h>
3 #include "mtest.h"
4
5 static struct ff_f t[] = {
6 #include "ucb/powf.h"
7 #include "sanity/powf.h"
8 #include "special/powf.h"
9
10 };
11
main(void)12 int main(void)
13 {
14 #pragma STDC FENV_ACCESS ON
15 float y;
16 float d;
17 int e, i, err = 0;
18 struct ff_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 = powf(p->x, p->x2);
28 e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
29
30 #ifndef __aarch64__
31 if (!checkexcept(e, p->e, p->r)) {
32 if (fabsf(y) < 0x1p-126f && (e|INEXACT) == (INEXACT|UNDERFLOW))
33 printf("X ");
34 else
35 err++;
36 printf("%s:%d: bad fp exception: %s powf(%a,%a)=%a, want %s",
37 p->file, p->line, rstr(p->r), p->x, p->x2, p->y, estr(p->e));
38 printf(" got %s\n", estr(e));
39 }
40 #endif
41 d = ulperrf(y, p->y, p->dy);
42 if (!checkulp(d, p->r)) {
43 printf("%s:%d: %s powf(%a,%a) want %a got %a ulperr %.3f = %a + %a\n",
44 p->file, p->line, rstr(p->r), p->x, p->x2, p->y, y, d, d-p->dy, p->dy);
45 err++;
46 }
47 }
48 return !!err;
49 }
50