#define BIAS 1023
typedef struct {
	unsigned int  sign :  1;
	unsigned int   exp : 11;
	unsigned int    m1 :  4;
	unsigned int    m2 : 16;
	unsigned int    m3 : 16;
	unsigned int    m4 : 16;
} be_ieee_dbl;

typedef struct {
	unsigned int    m4 : 16;
	unsigned int    m3 : 16;
	unsigned int    m2 : 16;
	unsigned int    m1 :  4;
	unsigned int   exp : 11;
	unsigned int  sign :  1;
} le_ieee_dbl;

/* 1 = little endian IEEE double
 * 2 = big endian IEEE double
 * 0 = error
 */
int main(void)
{
	double dbl = -9.;
	le_ieee_dbl *le = (le_ieee_dbl*)&dbl;
	be_ieee_dbl *be = (be_ieee_dbl*)&dbl;
	if (le->sign == 1 && le->exp-BIAS == 3 && le->m1 == 2 &&
	    le->m2 == 0 && le->m3 == 0 && le->m4 == 0) {
		return 1;
	}
        if (be->sign == 1 && be->exp-BIAS == 3 && be->m1 == 2 &&
	    be->m2 == 0 && be->m3 == 0 && be->m4 == 0) {
		return 2;
	}
	return 0;
}