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remove dependencies on contracts

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-10-20 10:24:36 -07:00
parent 12fc670839
commit 3d37060fa9
72 changed files with 734 additions and 1232 deletions
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8
src/api/dotnet/AlgebraicNum.cs
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@ -16,8 +16,8 @@ Author:
Notes:
--*/
using System.Diagnostics;
using System;
using System.Diagnostics.Contracts;
#if !FRAMEWORK_LT_4
using System.Numerics;
@ -28,7 +28,6 @@ namespace Microsoft.Z3
/// <summary>
/// Algebraic numbers
/// </summary>
[ContractVerification(true)]
public class AlgebraicNum : ArithExpr
{
/// <summary>
@ -40,7 +39,6 @@ namespace Microsoft.Z3
/// <returns>A numeral Expr of sort Real</returns>
public RatNum ToUpper(uint precision)
{
Contract.Ensures(Contract.Result<RatNum>() != null);
return new RatNum(Context, Native.Z3_get_algebraic_number_upper(Context.nCtx, NativeObject, precision));
}
@ -54,7 +52,6 @@ namespace Microsoft.Z3
/// <returns>A numeral Expr of sort Real</returns>
public RatNum ToLower(uint precision)
{
Contract.Ensures(Contract.Result<RatNum>() != null);
return new RatNum(Context, Native.Z3_get_algebraic_number_lower(Context.nCtx, NativeObject, precision));
}
@ -65,7 +62,6 @@ namespace Microsoft.Z3
/// <remarks>The result has at most <paramref name="precision"/> decimal places.</remarks>
public string ToDecimal(uint precision)
{
Contract.Ensures(Contract.Result<string>() != null);
return Native.Z3_get_numeral_decimal_string(Context.nCtx, NativeObject, precision);
}
@ -74,7 +70,7 @@ namespace Microsoft.Z3
internal AlgebraicNum(Context ctx, IntPtr obj)
: base(ctx, obj)
{
Contract.Requires(ctx != null);
Debug.Assert(ctx != null);
}
#endregion
}