X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Flgammal.c;h=9050913cd9484b3d5bbea7a72fb4fbeff5a98589;hb=6c9a64c370c3fd92b1cda3ef4246933956575c12;hp=ef251185fb19406d1a732809842993abfe7a1bb2;hpb=75aab93ef75299e347be24f57223dc93f2af80a4;p=libc-test diff --git a/src/math/lgammal.c b/src/math/lgammal.c index ef25118..9050913 100644 --- a/src/math/lgammal.c +++ b/src/math/lgammal.c @@ -1,19 +1,24 @@ +#define _BSD_SOURCE 1 +#define _XOPEN_SOURCE 700 #include #include -#include "util.h" +#include "mtest.h" static struct l_li t[] = { #if LDBL_MANT_DIG == 53 #include "sanity/lgamma.h" +#include "special/lgamma.h" #elif LDBL_MANT_DIG == 64 #include "sanity/lgammal.h" +#include "special/lgammal.h" #endif }; int main(void) { + #pragma STDC FENV_ACCESS ON int yi; long double y; float d; @@ -22,10 +27,15 @@ 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 = lgammal(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 lgammal(%La)=%La,%lld, want %s", p->file, p->line, rstr(p->r), p->x, p->y, p->i, estr(p->e)); @@ -33,7 +43,8 @@ int main(void) err++; } d = ulperrl(y, p->y, p->dy); - if (!checkulp(d, p->r) || yi != p->i) { + // TODO: 2 ulp errors allowed + if ((p->r==RN && fabs(d) > 2) || (!isnan(p->x) && p->x!=-inf && !(p->e&DIVBYZERO) && yi != p->i)) { printf("%s:%d: %s lgammal(%La) want %La,%lld got %La,%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++;