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adding comparison #2360

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-06-28 21:14:58 -07:00
parent db274ebe01
commit 335543b374
9 changed files with 143 additions and 4 deletions
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22
src/api/dotnet/Context.cs
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@ -2452,6 +2452,28 @@ namespace Microsoft.Z3
return new BoolExpr(this, Native.Z3_mk_seq_contains(nCtx, s1.NativeObject, s2.NativeObject));
}
/// <summary>
/// Check if the string s1 is lexicographically strictly less than s2.
/// </summary>
public BoolExpr MkStringLt(SeqExpr s1, SeqExpr s2)
{
Debug.Assert(s1 != null);
Debug.Assert(s2 != null);
CheckContextMatch(s1, s2);
return new BoolExpr(this, Native.Z3_mk_str_lt(nCtx, s1.NativeObject, s2.NativeObject));
}
/// <summary>
/// Check if the string s1 is lexicographically strictly less than s2.
/// </summary>
public BoolExpr MkStringLe(SeqExpr s1, SeqExpr s2)
{
Debug.Assert(s1 != null);
Debug.Assert(s2 != null);
CheckContextMatch(s1, s2);
return new BoolExpr(this, Native.Z3_mk_str_le(nCtx, s1.NativeObject, s2.NativeObject));
}
/// <summary>
/// Retrieve sequence of length one at index.
/// </summary>