X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Flgamma.c;h=b20a693e01ea09901968cc7e87507c0acca9d7b5;hb=281b80f0e70fe28356c3f0ded8b86f28a5c74d0a;hp=301a967628eaf2d34d9ab8e397563a732427c01e;hpb=75aab93ef75299e347be24f57223dc93f2af80a4;p=libc-test diff --git a/src/math/lgamma.c b/src/math/lgamma.c index 301a967..b20a693 100644 --- a/src/math/lgamma.c +++ b/src/math/lgamma.c @@ -1,14 +1,17 @@ +#define _XOPEN_SOURCE 700 #include #include -#include "util.h" +#include "mtest.h" static struct d_di t[] = { #include "sanity/lgamma.h" +#include "special/lgamma.h" }; int main(void) { + #pragma STDC FENV_ACCESS ON int yi; double y; float d; @@ -17,10 +20,15 @@ int main(void) for (i = 0; i < sizeof t/sizeof *t; i++) { p = t + i; - setupfenv(p->r); + + if (p->r < 0) + continue; + fesetround(p->r); + feclearexcept(FE_ALL_EXCEPT); y = lgamma(p->x); yi = signgam; - e = getexcept(); + e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW); + if (!checkexcept(e, p->e, p->r)) { printf("%s:%d: bad fp exception: %s lgamma(%a)=%a,%lld, want %s", p->file, p->line, rstr(p->r), p->x, p->y, p->i, estr(p->e)); @@ -28,7 +36,7 @@ int main(void) err++; } d = ulperr(y, p->y, p->dy); - if (!checkulp(d, p->r) || yi != p->i) { + if (!checkulp(d, p->r) || (!isnan(p->x) && p->x!=-inf && !(p->e&DIVBYZERO) && yi != p->i)) { printf("%s:%d: %s lgamma(%a) want %a,%lld got %a,%d ulperr %.3f = %a + %a\n", p->file, p->line, rstr(p->r), p->x, p->y, p->i, y, yi, d, d-p->dy, p->dy); err++;