1 #define _DEFAULT_SOURCE 1
2 #define _BSD_SOURCE 1
3 #define _XOPEN_SOURCE 700
4 #include <stdint.h>
5 #include <stdio.h>
6 #include "mtest.h"
7
8 static struct f_fi t[] = {
9 #include "sanity/lgammaf.h"
10 #include "special/lgammaf.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 f_fi *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 = lgammaf(p->x);
31 yi = signgam;
32 e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
33
34 if (!checkexcept(e, p->e, p->r)) {
35 printf("%s:%d: bad fp exception: %s lgammaf(%a)=%a,%lld, want %s",
36 p->file, p->line, rstr(p->r), p->x, p->y, p->i, estr(p->e));
37 printf(" got %s\n", estr(e));
38 err++;
39 }
40 d = ulperrf(y, p->y, p->dy);
41 bad = !isnan(p->x) && p->x!=-inf && !(p->e&DIVBYZERO) && yi != p->i;
42 if (bad || !checkulp(d, p->r)) {
43 if (!bad && fabsf(d) < 2.0f)
44 printf("X ");
45 else
46 err++;
47 printf("%s:%d: %s lgammaf(%a) want %a,%lld got %a,%d ulperr %.3f = %a + %a\n",
48 p->file, p->line, rstr(p->r), p->x, p->y, p->i, y, yi, d, d-p->dy, p->dy);
49 }
50 }
51 return !!err;
52 }
53