73 lines
3.3 KiB
C#
73 lines
3.3 KiB
C#
//
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// DisIntervalEnvironment.cs
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//
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// Authors:
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// Alexander Chebaturkin (chebaturkin@gmail.com)
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//
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// Copyright (C) 2012 Alexander Chebaturkin
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using Mono.CodeContracts.Static.Lattices;
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namespace Mono.CodeContracts.Static.Analysis.Numerical {
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class DisIntervalEnvironment<TVar, TExpr> :
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IntervalEnvironmentBase<TVar, TExpr, DisInterval, Rational> where TVar : IEquatable<TVar> {
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static DisIntervalAssumer<TVar, TExpr> cached_assumer;
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DisIntervalEnvironment (IExpressionDecoder<TVar, TExpr> decoder,
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EnvironmentDomain<TVar, DisInterval> varsToInterval)
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: base (decoder, varsToInterval)
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{
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}
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public DisIntervalEnvironment (IExpressionDecoder<TVar, TExpr> decoder)
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: base (decoder)
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{
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}
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public override IntervalAssumerBase<TVar, TExpr, DisInterval, Rational> Assumer
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{
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get
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{
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return cached_assumer ??
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(cached_assumer = new DisIntervalAssumer<TVar, TExpr> ());
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}
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}
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public override IntervalContextBase<DisInterval, Rational> Context { get { return DisIntervalContext.Instance; } }
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protected override IntervalEnvironmentBase<TVar, TExpr, DisInterval, Rational> NewInstance (
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EnvironmentDomain<TVar, DisInterval> varsToIntervals)
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{
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return new DisIntervalEnvironment<TVar, TExpr> (Decoder, varsToIntervals);
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}
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public override IntervalEnvironmentBase<TVar, TExpr, DisInterval, Rational> AssumeVariableIn (TVar var,
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Interval
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interval)
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{
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return RefineVariable (var, DisInterval.For (interval));
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}
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}
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} |