FiniteDomainNum.cs

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/*++
Copyright (<c>) 2012 Microsoft Corporation

Module Name:

    FiniteDomainNum.cs

Abstract:

    Z3 Managed API: Finite-domain Numerals

Author:

    Christoph Wintersteiger (cwinter) 2015-12-02

Notes:

--*/
using System;
using System.Diagnostics.Contracts;

#if !FRAMEWORK_LT_4
using System.Numerics;
#endif

namespace Microsoft.Z3
{
    [ContractVerification(true)]
    public class FiniteDomainNum : FiniteDomainExpr
    {
        public UInt64 UInt64
        {
            get
            {
                UInt64 res = 0;
                if (Native.Z3_get_numeral_uint64(Context.nCtx, NativeObject, ref res) == 0)
                    throw new Z3Exception("Numeral is not a 64 bit unsigned");
                return res;
            }
        }

        public int Int
        {
            get
            {
                int res = 0;
                if (Native.Z3_get_numeral_int(Context.nCtx, NativeObject, ref res) == 0)
                    throw new Z3Exception("Numeral is not an int");
                return res;
            }
        }

        public Int64 Int64
        {
            get
            {
                Int64 res = 0;
                if (Native.Z3_get_numeral_int64(Context.nCtx, NativeObject, ref res) == 0)
                    throw new Z3Exception("Numeral is not an int64");
                return res;
            }
        }

        public uint UInt
        {
            get
            {
                uint res = 0;
                if (Native.Z3_get_numeral_uint(Context.nCtx, NativeObject, ref res) == 0)
                    throw new Z3Exception("Numeral is not a uint");
                return res;
            }
        }

#if !FRAMEWORK_LT_4
        public BigInteger BigInteger
        {
            get
            {
                return BigInteger.Parse(this.ToString());
            }
        }
#endif

        public override string ToString()
        {
            return Native.Z3_get_numeral_string(Context.nCtx, NativeObject);
        }

        #region Internal
        internal FiniteDomainNum(Context ctx, IntPtr obj) : base(ctx, obj) { Contract.Requires(ctx != null); }
        #endregion
    }
}