EXP_TABLE_BITS
top = ki << (52 - EXP_TABLE_BITS);
#define N (1 << EXP_TABLE_BITS)
top = ki << (52 - EXP_TABLE_BITS);
#define N (1 << EXP_TABLE_BITS)
#define N (1 << EXP_TABLE_BITS)
uint64_t tab[2*(1 << EXP_TABLE_BITS)];
#define N (1 << EXP_TABLE_BITS)
#define SIGN_BIAS (0x800 << EXP_TABLE_BITS)
top = (ki + sign_bias) << (52 - EXP_TABLE_BITS);