853   MP_USED(c) = 1; MP_DIGIT(c, 0) = 0;  in mp_mul()
891       MP_DIGIT(c, ib + useda) = b_i;  in mp_mul()
946   MP_DIGIT(sqr, 0) = 0;  in mp_sqr()
978     MP_DIGIT(sqr, MP_USED(sqr)-1) = 0; /* above loop stopped short of this. */  in mp_sqr()
983     MP_DIGIT(sqr, 1) = 0;  in mp_sqr()
2051   for (ix = 0; !(d = MP_DIGIT(mp,ix)) && (ix < MP_USED(mp)); ++ix)  in mp_trailing_zeros()
2137     if ((MP_DIGIT(&f,0) % 4) == (MP_DIGIT(&g,0) % 4)) {  in s_mp_almost_inverse()
2200   r = 0 - s_mp_invmod_radix(MP_DIGIT(p,0));  in s_mp_fixup_reciprocal()
2204     mp_digit v = r * MP_DIGIT(x, ix);  in s_mp_fixup_reciprocal()
2304     mp_digit i = s_mp_invmod_radix(MP_DIGIT(a,0));  in s_mp_invmod_2d()
2973   if (MP_USED(mp) == 1 && MP_DIGIT(mp, 0) == 0)  in s_mp_lshd()
3013   mask  &= MP_DIGIT(mp, MP_USED(mp) - 1);  in s_mp_mul_2d()
3279     MP_DIGIT(mp, used) = carry;  in s_mp_add_d()
3401     mp_digit n   = MP_DIGIT(mp,0);  in s_mp_div_d()
3406     MP_DIGIT(mp,0) = q;  in s_mp_div_d()
3441     MP_DIGIT(&quot, 0) = d;  in s_mp_div_d()
3445     MP_DIGIT(&quot, 0) = 0;  in s_mp_div_d()
3701     d = MP_DIGIT(a, ia);  in s_mp_add_offset()
3702     sum = d + MP_DIGIT(b, ib);  in s_mp_add_offset()
3704     MP_DIGIT(a,ia) = sum += carry;  in s_mp_add_offset()
3720     d = MP_DIGIT(a, ia);  in s_mp_add_offset()
3721     MP_DIGIT(a,ia) = sum = d + carry;  in s_mp_add_offset()
4276     q_msd = MP_DIGIT(&part, MP_USED(&part) - 1);  in s_mp_div()
4277     div_msd = MP_DIGIT(div, MP_USED(div) - 1);  in s_mp_div()
4282       q_msd = (q_msd << MP_DIGIT_BIT) | MP_DIGIT(&part, MP_USED(&part) - 2);  in s_mp_div()
4288       MP_CHECKOK( s_mpv_div_2dx1d(q_msd, MP_DIGIT(&part, MP_USED(&part) - 2),  in s_mp_div()
4329     MP_DIGIT(quot, unusedRem) = (mp_digit)q_msd;  in s_mp_div()
4516   d = MP_DIGIT(v, ix); /* most significant digit of v */  in s_mp_ispow2()
4701     MP_DIGIT(mp, 0) = d;  in mp_read_unsigned_octets()
4716     MP_DIGIT(mp, 0) = d;  in mp_read_unsigned_octets()