diff options
| author | aiju <devnull@localhost> | 2018-05-03 23:31:24 +0000 |
|---|---|---|
| committer | aiju <devnull@localhost> | 2018-05-03 23:31:24 +0000 |
| commit | cda7129cd28a25832ad06ed939d32fce9413db63 (patch) | |
| tree | cda8ba26bfdfc781934a9866e5e47fc4666b18b6 /sys/src/libmp | |
| parent | 98a5fc6535a10e292f0fa1ad5aed7f10a963ce19 (diff) | |
mplogic: don't drop carry out
Diffstat (limited to 'sys/src/libmp')
| -rw-r--r-- | sys/src/libmp/port/mplogic.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/src/libmp/port/mplogic.c b/sys/src/libmp/port/mplogic.c index 378bfc7ee..c60d56aab 100644 --- a/sys/src/libmp/port/mplogic.c +++ b/sys/src/libmp/port/mplogic.c @@ -36,7 +36,7 @@ mplogic(mpint *b1, mpint *b2, mpint *sum, int fl) b2 = t; fl = fl >> 2 & 0x03 | fl << 2 & 0x0c | fl & 0x30; } - mpbits(sum, b1->top*Dbits); + mpbits(sum, b1->top*Dbits+1); dp1 = b1->p; dp2 = b2->p; dpo = sum->p; @@ -60,6 +60,8 @@ mplogic(mpint *b1, mpint *b2, mpint *sum, int fl) dpo[i] = d; } sum->top = i; + if(co) + dpo[sum->top++] = co; mpnorm(sum); } @@ -105,7 +107,7 @@ mpxor(mpint *b1, mpint *b2, mpint *sum) } fl = (b1->sign & 10) ^ (b2->sign & 12); sum->sign = (int)(fl << 28) >> 31 | 1; - mpbits(sum, b1->top*Dbits); + mpbits(sum, b1->top*Dbits+1); dp1 = b1->p; dp2 = b2->p; dpo = sum->p; @@ -126,6 +128,8 @@ mpxor(mpint *b1, mpint *b2, mpint *sum) dpo[i] = d; } sum->top = i; + if(co) + dpo[sum->top++] = co; mpnorm(sum); } |