Avoid computing _PyHASH_MODULUS in GMPy_MPQ_Hash_Slot()

aleaxit · Nov 2, 2023 · 2e96fb6 · 2e96fb6
1 parent 21ccbf7
commit 2e96fb6
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/src/gmpy2_hash.c b/src/gmpy2_hash.c
@@ -61,9 +61,7 @@ GMPy_MPQ_Hash_Slot(MPQ_Object *self)
     mpz_init(temp);
     mpz_init(temp1);
     mpz_init(mask);
-    mpz_set_si(mask, 1);
-    mpz_mul_2exp(mask, mask, _PyHASH_BITS);
-    mpz_sub_ui(mask, mask, 1);
+    mpz_set_si(mask, _PyHASH_MODULUS);
 
     if (!mpz_invert(temp, mpq_denref(self->q), mask)) {
         mpz_clear(temp);