#define _DEFAULT_SOURCE 1
#define _BSD_SOURCE 1
#include <stdint.h>
#include <stdio.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;
struct f_f *p;
for (i = 0; i < sizeof t/sizeof *t; i++) {
p = t + i;
if (p->r < 0)
continue;
fesetround(p->r);
feclearexcept(FE_ALL_EXCEPT);
y = y0f(p->x);
e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);
if (!checkexcept(e, p->e, p->r)) {
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 ((!(p->x < 0) && !checkulp(d, p->r)) || (p->x < 0 && !isnan(y) && y != -inf)) {
// 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);
err++;
// TODO: avoid spamming the output
printf(__FILE__ ": known to be broken near zeros\n");
break;
}
}
return !!err;
}