X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Fy0f.c;h=d01527988e4cc9609016a150747faa01817ced91;hb=HEAD;hp=275691d07f8a3811d53b70ce0c256ebe7d1633ba;hpb=4282b03a8c212b0e38af1876364be5f332673ce6;p=libc-test diff --git a/src/math/y0f.c b/src/math/y0f.c index 275691d..d015279 100644 --- a/src/math/y0f.c +++ b/src/math/y0f.c @@ -1,34 +1,48 @@ +#define _DEFAULT_SOURCE 1 +#define _BSD_SOURCE 1 #include #include -#include "util.h" +#include "mtest.h" static struct f_f t[] = { #include "sanity/y0f.h" +#include "special/y0f.h" }; int main(void) { + #pragma STDC FENV_ACCESS ON float y; float d; - int e, i, err = 0; + int e, i, bad, err = 0; struct f_f *p; 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 = y0f(p->x); - e = getexcept(); + e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW); + if (!checkexcept(e, p->e, p->r)) { - printf("%s y0f(%a)==%a except: want %s", rstr(p->r), p->x, p->y, estr(p->e)); + printf("%s:%d: bad fp exception: %s y0f(%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 = ulperrf(y, p->y, p->dy); - if (!checkulp(d, p->r)) { - printf("%s y0f(%a) want %a got %a ulperr %.3f = %a + %a\n", - rstr(p->r), p->x, p->y, y, d, d-p->dy, p->dy); - err++; + bad = p->x < 0 && !isnan(y) && y != -inf; + if (bad || (!(p->x < 0) && !checkulp(d, p->r))) { + if (!bad && fabsf(d) < 0x1p23f) + printf("X "); + else + err++; + printf("%s:%d: %s y0f(%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); } } return !!err;