diff options
| -rw-r--r-- | sys/src/libmp/port/mplogic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/src/libmp/port/mplogic.c b/sys/src/libmp/port/mplogic.c index a3258e45b..378bfc7ee 100644 --- a/sys/src/libmp/port/mplogic.c +++ b/sys/src/libmp/port/mplogic.c @@ -104,7 +104,7 @@ mpxor(mpint *b1, mpint *b2, mpint *sum) b2 = t; } fl = (b1->sign & 10) ^ (b2->sign & 12); - sum->sign = (int)(fl << 28) >> 31; + sum->sign = (int)(fl << 28) >> 31 | 1; mpbits(sum, b1->top*Dbits); dp1 = b1->p; dp2 = b2->p; |