#define SIZE 4
#define DEFSTYLE STYLE_FORK | STYLE_PRUNE

#define SSIZE 2 /* sqrt(SIZE) */
#define SIZEBITS 2 /* ceil(lg(SIZE)) */
#define SIZE1BITS 3 /* ceil(lg(SIZE+1)) */

static char fillchar(int fill)
{
 return('0'+fill);
}

#define bitcount(x) bitcount_[(x)]
static const char bitcount_[]
 = { 0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4 };
#define bitcount_init() /* nothing */

#define FILLEDFMT " %d "
#define MASKFMT "-%x-"
#define SEP ""
#define VECTYPE unsigned int
#define SUMDECL unsigned int sum
#define SUMINIT sum = 0
static const unsigned int expand[]
 = { 0x0000, 0x0001, 0x0010, 0x0011, 0x0100, 0x0101, 0x0110, 0x0111,
     0x1000, 0x1001, 0x1010, 0x1011, 0x1100, 0x1101, 0x1110, 0x1111 };
#define SUMADD(vec) sum += expand[(vec)];
#define SUMGET(inx) ((sum >> (4*(inx))) & 7)

#include "gen.c"