#include <stdint.h>
#include <stdio.h>
#include "util.h"
static struct ll_l t[] = {
#if LDBL_MANT_DIG == 53
#include "sanity/copysign.h"
#elif LDBL_MANT_DIG == 64
#include "sanity/copysignl.h"
#endif
};
int main(void)
{
long double y;
float d;
int e, i, err = 0;
struct ll_l *p;
for (i = 0; i < sizeof t/sizeof *t; i++) {
p = t + i;
setupfenv(p->r);
y = copysignl(p->x, p->x2);
e = getexcept();
if (!checkexcept(e, p->e, p->r)) {
printf("%s:%d: bad fp exception: %s copysignl(%La,%La)=%La, want %s",
p->file, p->line, rstr(p->r), p->x, p->x2, p->y, estr(p->e));
printf(" got %s\n", estr(e));
err++;
}
d = ulperrl(y, p->y, p->dy);
if (!checkulp(d, p->r)) {
printf("%s:%d: %s copysignl(%La,%La) want %La got %La ulperr %.3f = %a + %a\n",
p->file, p->line, rstr(p->r), p->x, p->x2, p->y, y, d, d-p->dy, p->dy);
err++;
}
}
return !!err;
}