EXP2F_TABLE_BITS
#define N (1 << EXP2F_TABLE_BITS)
t += ki << (52 - EXP2F_TABLE_BITS);
#define N (1 << EXP2F_TABLE_BITS)
uint64_t tab[1 << EXP2F_TABLE_BITS];
#define N (1 << EXP2F_TABLE_BITS)
t += ki << (52 - EXP2F_TABLE_BITS);
#define N (1 << EXP2F_TABLE_BITS)
#define SIGN_BIAS (1 << (EXP2F_TABLE_BITS + 11))
t += ski << (52 - EXP2F_TABLE_BITS);
#define POWF_SCALE_BITS EXP2F_TABLE_BITS