FILL_LOWBITS      694 bignum.c                           return (1 < de - dp || FILL_LOWBITS(d, 8) != -1) ? -2 : -1;
FILL_LOWBITS      702 bignum.c                               (1 < de - dp || FILL_LOWBITS(d, 16) != -1) ? -2 : -1;
FILL_LOWBITS      711 bignum.c                               (1 < de - dp || FILL_LOWBITS(d, 32) != -1) ? -2 : -1;
FILL_LOWBITS      720 bignum.c                               (1 < de - dp || FILL_LOWBITS(d, 64) != -1) ? -2 : -1;