X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Fexp2.c;h=cd73dddb63adbd0f922475b575d6ce3dbc84690d;hb=b8fbda354afe84b26fae2317c49d79b3ff14f1cb;hp=317afb80e92afea03139fba48645145a148256d6;hpb=f9d17902a35b6403b7c8354845e9f13f882c1c8e;p=libc-test diff --git a/src/math/exp2.c b/src/math/exp2.c index 317afb8..cd73ddd 100644 --- a/src/math/exp2.c +++ b/src/math/exp2.c @@ -3,12 +3,14 @@ #include "util.h" static struct d_d t[] = { - #include "sanity/exp2.h" +#include "special/exp2.h" + }; int main(void) { + #pragma STDC FENV_ACCESS ON double y; float d; int e, i, err = 0; @@ -16,18 +18,24 @@ 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 = exp2(p->x); - e = getexcept(); + e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW); + if (!checkexcept(e, p->e, p->r)) { - printf("%s exp2(%a)==%a except: want %s", rstr(p->r), p->x, p->y, estr(p->e)); + printf("%s:%d: bad fp exception: %s exp2(%a)=%a, want %s", + p->file, p->line, rstr(p->r), p->x, p->y, estr(p->e)); printf(" got %s\n", estr(e)); err++; } d = ulperr(y, p->y, p->dy); if (!checkulp(d, p->r)) { - printf("%s exp2(%a) want %a got %a ulperr %.3f = %a + %a\n", - rstr(p->r), p->x, p->y, y, d, d-p->dy, p->dy); + printf("%s:%d: %s exp2(%a) want %a got %a ulperr %.3f = %a + %a\n", + p->file, p->line, rstr(p->r), p->x, p->y, y, d, d-p->dy, p->dy); err++; } }