feat: Add definitions for basic structures.

projects/mini-gmp.h

@@ -0,0 +1,66 @@
+typedef unsigned long mp_limb_t;
+typedef long mp_size_t;
+typedef unsigned long mp_bitcnt_t;
+
+typedef mp_limb_t *mp_ptr;
+typedef const mp_limb_t *mp_srcptr;
+
+typedef struct
+{
+  int _mp_alloc;		/* Number of *limbs* allocated and pointed
+				   to by the _mp_d field.  */
+  int _mp_size;			/* abs(_mp_size) is the number of limbs the
+				   last field points to.  If _mp_size is
+				   negative this is a negative number.  */
+  mp_limb_t *_mp_d;		/* Pointer to the limbs.  */
+} __mpz_struct;
+
+/* mpz_t is an array type that contains a single element of __mpz_struct, acting as a reference. */
+typedef __mpz_struct mpz_t[1];
+typedef __mpz_struct *mpz_ptr;
+typedef const __mpz_struct *mpz_srcptr;
+
+/* BEGIN Given Functions */
+
+/* Swap functions. */
+void mp_size_t_swap(mp_size_t x, mp_size_t y);
+
+void mp_ptr_swap(mp_ptr x, mp_ptr y);
+
+void mpz_srcptr_swap(mpz_srcptr x, mpz_srcptr y);
+
+/* Memory allocation functions. */
+static mp_ptr
+gmp_alloc_limbs (mp_size_t size);
+
+static mp_ptr
+gmp_realloc_limbs (mp_ptr old, mp_size_t old_size, mp_size_t size);
+
+static void
+gmp_free_limbs (mp_ptr old, mp_size_t size);
+
+/* END Given Functions  */
+
+void mpn_copyi (mp_ptr, mp_srcptr, mp_size_t);
+
+int mpn_cmp (mp_srcptr, mp_srcptr, mp_size_t);
+
+mp_limb_t mpn_add_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t);
+mp_limb_t mpn_add_n (mp_ptr, mp_srcptr, mp_srcptr, mp_size_t);
+mp_limb_t mpn_add (mp_ptr, mp_srcptr, mp_size_t, mp_srcptr, mp_size_t);
+
+mp_limb_t mpn_sub_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t);
+mp_limb_t mpn_sub_n (mp_ptr, mp_srcptr, mp_srcptr, mp_size_t);
+mp_limb_t mpn_sub (mp_ptr, mp_srcptr, mp_size_t, mp_srcptr, mp_size_t);
+
+void mpz_clear (mpz_t);
+
+int mpz_sgn (const mpz_t);
+
+void mpz_neg (mpz_t, const mpz_t);
+void mpz_swap (mpz_t, mpz_t);
+
+void mpz_add (mpz_t, const mpz_t, const mpz_t);
+void mpz_sub (mpz_t, const mpz_t, const mpz_t);
+
+void mpz_set (mpz_t, const mpz_t);