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-rw-r--r--mpi/mpi.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/mpi/mpi.c b/mpi/mpi.c
index dfe4e138..b1eb7e49 100644
--- a/mpi/mpi.c
+++ b/mpi/mpi.c
@@ -571,8 +571,9 @@ static int s_mp_in_big_range(mp_int *mp, double_uintptr_t lim, int unsig)
{
const unsigned ptrnd = (SIZEOF_DOUBLE_INTPTR + MP_DIGIT_SIZE - 1) / MP_DIGIT_SIZE;
mp_size nd = USED(mp);
+ int neg = ISNEG(mp);
- if (unsig && ISNEG(mp))
+ if (unsig && neg)
return 0;
if (nd < ptrnd)
@@ -584,7 +585,7 @@ static int s_mp_in_big_range(mp_int *mp, double_uintptr_t lim, int unsig)
{
mp_digit top = DIGITS(mp)[ptrnd - 1];
lim >>= ((ptrnd - 1) * MP_DIGIT_BIT);
- return top <= lim;
+ return (top - neg) <= lim;
}
}