py: Factor duplicated function to calculate size of formatted int.

1 files changed, 1 insertions, 0 deletions

diff --git a/py/mpz.h b/py/mpz.h
index 63ac772ff..55ef3e15f 100644
--- a/py/mpz.h
+++ b/py/mpz.h
@@ -127,6 +127,7 @@ void mpz_or_inpl(mpz_t *dest, const mpz_t *lhs, const mpz_t *rhs);
 void mpz_xor_inpl(mpz_t *dest, const mpz_t *lhs, const mpz_t *rhs);
 void mpz_divmod_inpl(mpz_t *dest_quo, mpz_t *dest_rem, const mpz_t *lhs, const mpz_t *rhs);
 
+static inline size_t mpz_max_num_bits(const mpz_t *z) { return z->len * MPZ_DIG_SIZE; }
 mp_int_t mpz_hash(const mpz_t *z);
 bool mpz_as_int_checked(const mpz_t *z, mp_int_t *value);
 bool mpz_as_uint_checked(const mpz_t *z, mp_uint_t *value);