TeaSpeak
/
tommath
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge branch 'pr/55' into develop 

This closes #55
This commit is contained in:
Steffen Jaeckel 2017-04-09 00:51:00 +02:00
parent c17c47715a 27e6485995
commit 2bc7bdbb3f
1 changed files with 4 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
bn_mp_div_2d.c
View File

@ -20,8 +20,6 @@ int mp_div_2d (mp_int * a, int b, mp_int * c, mp_int * d)
{
mp_digit D, r, rr;
int x, res;
mp_int t;
/* if the shift count is <= 0 then we do no work */
if (b <= 0) {
@ -32,24 +30,19 @@ int mp_div_2d (mp_int * a, int b, mp_int * c, mp_int * d)
return res;
}
if ((res = mp_init (&t)) != MP_OKAY) {
/* copy */
if ((res = mp_copy (a, c)) != MP_OKAY) {
return res;
}
/* 'a' should not be used after here - it might be the same as d */
/* get the remainder */
if (d != NULL) {
if ((res = mp_mod_2d (a, b, &t)) != MP_OKAY) {
mp_clear (&t);
if ((res = mp_mod_2d (a, b, d)) != MP_OKAY) {
return res;
}
}
/* copy */
if ((res = mp_copy (a, c)) != MP_OKAY) {
mp_clear (&t);
return res;
}
/* shift by as many digits in the bit count */
if (b >= (int)DIGIT_BIT) {
mp_rshd (c, b / DIGIT_BIT);
@ -84,10 +77,6 @@ int mp_div_2d (mp_int * a, int b, mp_int * c, mp_int * d)
}
}
mp_clamp (c);
if (d != NULL) {
mp_exch (&t, d);
}
mp_clear (&t);
return MP_OKAY;
}
#endif