functional: add mntent test
[libc-test.git] / src / math / pow10.c
blobb5d2a8333251f46bd89d26293fd05491785b884c
1 #define _GNU_SOURCE 1
2 #include <stdint.h>
3 #include <stdio.h>
4 #include "mtest.h"
6 static struct d_d t[] = {
7 #include "sanity/pow10.h"
8 #include "special/exp10.h"
12 int main(void)
14 #pragma STDC FENV_ACCESS ON
15 double y;
16 float d;
17 int e, i, err = 0;
18 struct d_d *p;
20 for (i = 0; i < sizeof t/sizeof *t; i++) {
21 p = t + i;
23 if (p->r < 0)
24 continue;
25 fesetround(p->r);
26 feclearexcept(FE_ALL_EXCEPT);
27 y = pow10(p->x);
28 e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
30 if (!checkexcept(e, p->e, p->r)) {
31 printf("%s:%d: bad fp exception: %s pow10(%a)=%a, want %s",
32 p->file, p->line, rstr(p->r), p->x, p->y, estr(p->e));
33 printf(" got %s\n", estr(e));
34 err++;
36 d = ulperr(y, p->y, p->dy);
37 if (!checkulp(d, p->r)) {
38 printf("%s:%d: %s pow10(%a) want %a got %a ulperr %.3f = %a + %a\n",
39 p->file, p->line, rstr(p->r), p->x, p->y, y, d, d-p->dy, p->dy);
40 err++;
43 return !!err;