Exemplo n.º 1
0
        /// <summary>
        /// Return the string representation of the rational.
        /// </summary>
        /// <returns>The string representation of the rational.</returns>
        public override string ToString()
        {
            if (this._pointer == IntPtr.Zero)
            {
                return("uninitialized");
            }
            char_ptr s_ptr = gmp_lib.mpq_get_str(char_ptr.Zero, 10, this);
            string   s     = s_ptr.ToString();

            gmp_lib.free(s_ptr);
            return(s);
        }
Exemplo n.º 2
0
        public RandState(string value)
        {
            gmp_lib.gmp_randinit_default(Value);
            using (SHA256 sha = SHA256.Create())
            {
                byte[] hash = sha.ComputeHash(Encoding.Default.GetBytes(value));

                StringBuilder sb = new StringBuilder();
                foreach (var h in hash)
                {
                    sb.Append(h.ToString("X2"));
                }

                char_ptr tmpStr = new char_ptr(sb.ToString());
                gmp_lib.mpz_init_set_str(Seed, tmpStr, 16);
                gmp_lib.gmp_randseed(Value, Seed);
                gmp_lib.free(tmpStr);
            }
        }
Exemplo n.º 3
0
        /// <summary>
        /// Return the string representation of the float.
        /// </summary>
        /// <returns>The string representation of the float.</returns>
        public override string ToString()
        {
            if (!_initialized)
            {
                return(null);
            }
            ptr <mp_exp_t> exp   = new ptr <mp_exp_t>(0);
            char_ptr       s_ptr = gmp_lib.mpf_get_str(char_ptr.Zero, exp, 10, 0, this);
            string         s     = s_ptr.ToString();

            gmp_lib.free(s_ptr);
            if (s.StartsWith("-", StringComparison.Ordinal))
            {
                return("-0." + s.Substring(1) + "e" + exp.Value.Value.ToString(System.Globalization.CultureInfo.InvariantCulture));
            }
            else
            {
                return("0." + s + "e" + exp.Value.Value.ToString(System.Globalization.CultureInfo.InvariantCulture));
            }
        }
Exemplo n.º 4
0
 /// <summary>
 /// Returns a value indicating whether this instance is equal to a specified <see cref="char_ptr">char_ptr</see> value.
 /// </summary>
 /// <param name="other">A <see cref="char_ptr">char_ptr</see> value to compare to this instance.</param>
 /// <returns><c>True</c> if <paramref name="other"/> has the same value as this instance; otherwise, <c>False</c>.</returns>
 public bool Equals(char_ptr other)
 {
     return(Pointer == other.Pointer);
 }