#include <stdint.h>

#include <stdio.h>

#include "util.h"

static struct l_i t[] = {

#if LDBL_MANT_DIG == 53

#include "sanity/ilogb.h"

#elif LDBL_MANT_DIG == 64

#include "sanity/ilogbl.h"

#endif

};

int main(void)

{

	#pragma STDC FENV_ACCESS ON

	long long yi;

	int e, i, err = 0;

	struct l_i *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);

		yi = ilogbl(p->x);

		e = fetestexcept(INEXACT|INVALID|DIVBYZERO|UNDERFLOW|OVERFLOW);

		if (!checkexcept(e, p->e, p->r)) {

			printf("%s:%d: bad fp exception: %s ilogbl(%La)=%lld, want %s",

				p->file, p->line, rstr(p->r), p->x, p->i, estr(p->e));

			printf(" got %s\n", estr(e));

			err++;

		}

		if (yi != p->i) {

			printf("%s:%d: %s ilogbl(%La) want %lld got %lld\n",

				p->file, p->line, rstr(p->r), p->x, p->i, yi);

			err++;

		}

	}

	return !!err;

}