X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Fatan.c;h=04a7a0d72385546a5f1187c1a5b9969b4648737c;hb=db4b6cef06a63b1a43c654c3b98fe4e47fc7d411;hp=2a18f5f219a2e0f1f7422f1ff4dfdf5193edefb7;hpb=4282b03a8c212b0e38af1876364be5f332673ce6;p=libc-test diff --git a/src/math/atan.c b/src/math/atan.c index 2a18f5f..04a7a0d 100644 --- a/src/math/atan.c +++ b/src/math/atan.c @@ -6,11 +6,13 @@ static struct d_d t[] = { #include "crlibm/atan.h" #include "ucb/atan.h" #include "sanity/atan.h" +#include "special/atan.h" }; int main(void) { + #pragma STDC FENV_ACCESS ON double y; float d; int e, i, err = 0; @@ -18,18 +20,24 @@ 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 = atan(p->x); - e = getexcept(); + e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW); + if (!checkexcept(e, p->e, p->r)) { - printf("%s atan(%a)==%a except: want %s", rstr(p->r), p->x, p->y, estr(p->e)); + printf("%s:%d: bad fp exception: %s atan(%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 atan(%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 atan(%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++; } }