1 #define _DEFAULT_SOURCE 1
2 #define _BSD_SOURCE 1
3 #define _GNU_SOURCE 1
4 #include <stdint.h>
5 #include <stdio.h>
6 #include "mtest.h"
7
8 static struct d_di t[] = {
9 #include "sanity/lgamma_r.h"
10 #include "special/lgamma_r.h"
11
12 };
13
main(void)14 int main(void)
15 {
16 #pragma STDC FENV_ACCESS ON
17 int yi;
18 double y;
19 float d;
20 int e, i, bad, err = 0;
21 struct d_di *p;
22
23 for (i = 0; i < sizeof t/sizeof *t; i++) {
24 p = t + i;
25
26 if (p->r < 0)
27 continue;
28 fesetround(p->r);
29 feclearexcept(FE_ALL_EXCEPT);
30 y = lgamma_r(p->x, &yi);
31 e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
32
33 if (!checkexcept(e, p->e, p->r)) {
34 printf("%s:%d: bad fp exception: %s lgamma_r(%a)=%a,%lld, want %s",
35 p->file, p->line, rstr(p->r), p->x, p->y, p->i, estr(p->e));
36 printf(" got %s\n", estr(e));
37 err++;
38 }
39 d = ulperr(y, p->y, p->dy);
40 bad = !isnan(p->x) && p->x!=-inf && !(p->e&DIVBYZERO) && yi != p->i;
41 if (bad || !checkulp(d, p->r)) {
42 if (!bad && fabsf(d) < 11.0f)
43 printf("X ");
44 else
45 err++;
46 printf("%s:%d: %s lgamma_r(%a) want %a,%lld got %a,%d ulperr %.3f = %a + %a\n",
47 p->file, p->line, rstr(p->r), p->x, p->y, p->i, y, yi, d, d-p->dy, p->dy);
48 }
49 }
50 return !!err;
51 }
52