RatNum.cs

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/*++
Copyright (c) 2012 Microsoft Corporation
 
Module Name:
 
    IntNum.cs
 
Abstract:
 
    Z3 Managed API: Int Numerals
 
Author:
 
    Christoph Wintersteiger (cwinter) 2012-03-20
 
Notes:
    
--*/
using System.Diagnostics;
using System;
 
#if !FRAMEWORK_LT_4
using System.Numerics;
#endif
 
namespace Microsoft.Z3
{
    public class RatNum : RealExpr
    {
        public IntNum Numerator
        {
            get
            {
 
                return new IntNum(Context, Native.Z3_get_numerator(Context.nCtx, NativeObject));
            }
        }
 
        public IntNum Denominator
        {
            get
            {
 
                return new IntNum(Context, Native.Z3_get_denominator(Context.nCtx, NativeObject));
            }
        }
 
#if !FRAMEWORK_LT_4
        public BigInteger BigIntNumerator
        {
            get
            {
                using IntNum n = Numerator;
                return BigInteger.Parse(n.ToString());
            }
        }
 
        public BigInteger BigIntDenominator
        {
            get
            {
                using IntNum n = Denominator;
                return BigInteger.Parse(n.ToString());
            }
        }
#endif
 
        public string ToDecimalString(uint precision)
        {
            return Native.Z3_get_numeral_decimal_string(Context.nCtx, NativeObject, precision);
        }
 
        public double Double
        {
            get { return Native.Z3_get_numeral_double(Context.nCtx, NativeObject); }
        }
 
        public override string ToString()
        {
            return Native.Z3_get_numeral_string(Context.nCtx, NativeObject);
        }
 
        #region Internal
        internal RatNum(Context ctx, IntPtr obj)
            : base(ctx, obj)
        {
            Debug.Assert(ctx != null);
        }
        #endregion
    }
}