1 #include <stdint.h>
2 #include <stdio.h>
3 #include "mtest.h"
4
5 static struct fff_f t[] = {
6 #include "sanity/fmaf.h"
7 #include "special/fmaf.h"
8 };
9
main(void)10 int main(void)
11 {
12 #pragma STDC FENV_ACCESS ON
13 float y;
14 float d;
15 int e, i, err = 0;
16 struct fff_f *p;
17
18 for (i = 0; i < sizeof t/sizeof *t; i++) {
19 p = t + i;
20
21 if (p->r < 0)
22 continue;
23 fesetround(p->r);
24 feclearexcept(FE_ALL_EXCEPT);
25 y = fmaf(p->x, p->x2, p->x3);
26 e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
27
28 /* do not check inexact by default */
29 #if defined CHECK_INEXACT || defined CHECK_INEXACT_OMISSION
30 if (!checkexceptall(e, p->e, p->r)) {
31 #else
32 if (!checkexceptall(e|INEXACT, p->e|INEXACT, p->r)) {
33 #endif
34 printf("%s:%d: bad fp exception: %s fmaf(%a,%a,%a)=%a, want %s",
35 p->file, p->line, rstr(p->r), p->x, p->x2, p->x3, p->y, estr(p->e));
36 printf(" got %s\n", estr(e));
37 err++;
38 }
39 d = ulperrf(y, p->y, p->dy);
40 if (!checkcr(y, p->y, p->r)) {
41 printf("%s:%d: %s fmaf(%a,%a,%a) want %a got %a ulperr %.3f = %a + %a\n",
42 p->file, p->line, rstr(p->r), p->x, p->x2, p->x3, p->y, y, d, d-p->dy, p->dy);
43 err++;
44 }
45 }
46 return !!err;
47 }
48