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-rw-r--r--Source/VCExpr/Boogie2VCExpr.cs46
-rw-r--r--Source/VCExpr/SimplifyLikeLineariser.cs130
-rw-r--r--Source/VCExpr/TypeErasure.cs91
-rw-r--r--Source/VCExpr/VCExpr.csproj8
-rw-r--r--Source/VCExpr/VCExprAST.cs134
-rw-r--r--Source/VCExpr/VCExprASTPrinter.cs72
-rw-r--r--Source/VCExpr/VCExprASTVisitors.cs154
7 files changed, 619 insertions, 16 deletions
diff --git a/Source/VCExpr/Boogie2VCExpr.cs b/Source/VCExpr/Boogie2VCExpr.cs
index 0c817756..1bcb6afc 100644
--- a/Source/VCExpr/Boogie2VCExpr.cs
+++ b/Source/VCExpr/Boogie2VCExpr.cs
@@ -334,7 +334,10 @@ namespace Microsoft.Boogie.VCExprAST {
return Gen.Integer(node.asBigNum);
} else if (node.Val is BigDec) {
return Gen.Real(node.asBigDec);
- } else if (node.Val is BvConst) {
+ } else if (node.Val is BigFloat) {
+ return Gen.Float(node.asBigFloat);
+ }
+ else if (node.Val is BvConst) {
return Gen.Bitvector((BvConst)node.Val);
} else {
System.Diagnostics.Debug.Assert(false, "unknown kind of literal " + node.tok.ToString());
@@ -1002,9 +1005,12 @@ namespace Microsoft.Boogie.VCExprAST {
if (cce.NonNull(e.Type).IsInt) {
return Gen.Function(VCExpressionGenerator.SubIOp, Gen.Integer(BigNum.ZERO), e);
}
- else {
+ else {// if (cce.NonNull(e.Type).IsReal) {
return Gen.Function(VCExpressionGenerator.SubROp, Gen.Real(BigDec.ZERO), e);
}
+ //else {//is float
+ //return Gen.Function(VCExpressionGenerator.SubFOp, Gen.Float(BigFloat.ZERO(8, 23)), e);
+ //}
}
else {
return Gen.Not(this.args);
@@ -1070,34 +1076,48 @@ namespace Microsoft.Boogie.VCExprAST {
Contract.Requires(cce.NonNullElements(args));
Contract.Ensures(Contract.Result<VCExpr>() != null);
Contract.Assert(args.Count == 2);
+ Type t = cce.NonNull(cce.NonNull(args[0]).Type);
switch (app.Op) {
case BinaryOperator.Opcode.Add:
- if (cce.NonNull(cce.NonNull(args[0]).Type).IsInt) {
+ if (t.IsInt) {
return Gen.Function(VCExpressionGenerator.AddIOp, args);
}
- else {
+ else if (t.IsReal) {
return Gen.Function(VCExpressionGenerator.AddROp, args);
}
+ else { //t is float
+ return Gen.Function(Gen.BinaryFloatOp(t.FloatExponent, t.FloatSignificand, "+"), args);
+ }
case BinaryOperator.Opcode.Sub:
- if (cce.NonNull(cce.NonNull(args[0]).Type).IsInt) {
+ if (t.IsInt) {
return Gen.Function(VCExpressionGenerator.SubIOp, args);
}
- else {
+ else if (t.IsReal) {
return Gen.Function(VCExpressionGenerator.SubROp, args);
}
+ else { //t is float
+ return Gen.Function(Gen.BinaryFloatOp(t.FloatExponent, t.FloatSignificand, "-"), args);
+ }
case BinaryOperator.Opcode.Mul:
- if (cce.NonNull(cce.NonNull(args[0]).Type).IsInt) {
+ if (t.IsInt) {
return Gen.Function(VCExpressionGenerator.MulIOp, args);
}
- else {
+ else if (t.IsReal) {
return Gen.Function(VCExpressionGenerator.MulROp, args);
}
+ else
+ { //t is float
+ return Gen.Function(Gen.BinaryFloatOp(t.FloatExponent, t.FloatSignificand, "*"), args);
+ }
case BinaryOperator.Opcode.Div:
return Gen.Function(VCExpressionGenerator.DivIOp, args);
case BinaryOperator.Opcode.Mod:
return Gen.Function(VCExpressionGenerator.ModOp, args);
case BinaryOperator.Opcode.RealDiv:
+ if (t.IsFloat) {
+ return Gen.Function(Gen.BinaryFloatOp(t.FloatExponent, t.FloatSignificand, "/"), args);
+ }
VCExpr arg0 = cce.NonNull(args[0]);
VCExpr arg1 = cce.NonNull(args[1]);
if (cce.NonNull(arg0.Type).IsInt) {
@@ -1112,16 +1132,26 @@ namespace Microsoft.Boogie.VCExprAST {
case BinaryOperator.Opcode.Eq:
case BinaryOperator.Opcode.Iff:
// we don't distinguish between equality and equivalence at this point
+ if (t.IsFloat)
+ return Gen.Function(Gen.BinaryFloatOp(t.FloatExponent, t.FloatSignificand, "=="), args);
return Gen.Function(VCExpressionGenerator.EqOp, args);
case BinaryOperator.Opcode.Neq:
return Gen.Function(VCExpressionGenerator.NeqOp, args);
case BinaryOperator.Opcode.Lt:
+ if (t.IsFloat)
+ return Gen.Function(Gen.BinaryFloatOp(t.FloatExponent, t.FloatSignificand, "<"), args);
return Gen.Function(VCExpressionGenerator.LtOp, args);
case BinaryOperator.Opcode.Le:
+ if (t.IsFloat)
+ return Gen.Function(Gen.BinaryFloatOp(t.FloatExponent, t.FloatSignificand, "<="), args);
return Gen.Function(VCExpressionGenerator.LeOp, args);
case BinaryOperator.Opcode.Ge:
+ if (t.IsFloat)
+ return Gen.Function(Gen.BinaryFloatOp(t.FloatExponent, t.FloatSignificand, ">="), args);
return Gen.Function(VCExpressionGenerator.GeOp, args);
case BinaryOperator.Opcode.Gt:
+ if (t.IsFloat)
+ return Gen.Function(Gen.BinaryFloatOp(t.FloatExponent, t.FloatSignificand, ">"), args);
return Gen.Function(VCExpressionGenerator.GtOp, args);
case BinaryOperator.Opcode.Imp:
return Gen.Function(VCExpressionGenerator.ImpliesOp, args);
diff --git a/Source/VCExpr/SimplifyLikeLineariser.cs b/Source/VCExpr/SimplifyLikeLineariser.cs
index b554c331..1a4374f8 100644
--- a/Source/VCExpr/SimplifyLikeLineariser.cs
+++ b/Source/VCExpr/SimplifyLikeLineariser.cs
@@ -380,9 +380,22 @@ namespace Microsoft.Boogie.VCExprAST {
internal const string realSubName = "realSub";
internal const string realMulName = "realMul";
internal const string realDivName = "realDiv";
+ internal const string floatAddName = "floatAdd";
+ internal const string floatSubName = "floatSub";
+ internal const string floatMulName = "floatMul";
+ internal const string floatDivName = "floatDiv";
+ internal const string floatRemName = "floatRem";
+ internal const string floatMinName = "floatMin";
+ internal const string floatMaxName = "floatMax";
+ internal const string floatLeqName = "floatLeq";
+ internal const string floatLtName = "floatLt";
+ internal const string floatGeqName = "floatGeq";
+ internal const string floatGtName = "floatGt";
+ internal const string floatEqName = "floatEq";
internal const string realPowName = "realPow";
internal const string toIntName = "toIntCoercion";
internal const string toRealName = "toRealCoercion";
+ internal const string toFloatName = "toFloatCoercion";
internal void AssertAsTerm(string x, LineariserOptions options) {
Contract.Requires(options != null);
@@ -883,7 +896,104 @@ namespace Microsoft.Boogie.VCExprAST {
return true;
}
- public bool VisitBvOp(VCExprNAry node, LineariserOptions options) {
+ public bool VisitFloatAddOp(VCExprNAry node, LineariserOptions options)
+ {
+ //Contract.Requires(options != null);
+ //Contract.Requires(node != null);
+ WriteTermApplication(floatAddName, node, options);
+ return true;
+ }
+
+ public bool VisitFloatSubOp(VCExprNAry node, LineariserOptions options)
+ {
+ //Contract.Requires(options != null);
+ //Contract.Requires(node != null);
+ WriteTermApplication(floatSubName, node, options);
+ return true;
+ }
+
+ public bool VisitFloatMulOp(VCExprNAry node, LineariserOptions options)
+ {
+ //Contract.Requires(options != null);
+ //Contract.Requires(node != null);
+ WriteTermApplication(floatMulName, node, options);
+ return true;
+ }
+
+ public bool VisitFloatDivOp(VCExprNAry node, LineariserOptions options)
+ {
+ //Contract.Requires(options != null);
+ //Contract.Requires(node != null);
+ WriteTermApplication(floatDivName, node, options);
+ return true;
+ }
+
+ public bool VisitFloatRemOp(VCExprNAry node, LineariserOptions options)
+ {
+ //Contract.Requires(options != null);
+ //Contract.Requires(node != null);
+ WriteTermApplication(floatRemName, node, options);
+ return true;
+ }
+
+ public bool VisitFloatMinOp(VCExprNAry node, LineariserOptions options)
+ {
+ //Contract.Requires(options != null);
+ //Contract.Requires(node != null);
+ WriteTermApplication(floatMinName, node, options);
+ return true;
+ }
+
+ public bool VisitFloatMaxOp(VCExprNAry node, LineariserOptions options)
+ {
+ //Contract.Requires(options != null);
+ //Contract.Requires(node != null);
+ WriteTermApplication(floatMaxName, node, options);
+ return true;
+ }
+
+ public bool VisitFloatLeqOp(VCExprNAry node, LineariserOptions options)
+ {
+ //Contract.Requires(options != null);
+ //Contract.Requires(node != null);
+ WriteTermApplication(floatLeqName, node, options);
+ return true;
+ }
+
+ public bool VisitFloatLtOp(VCExprNAry node, LineariserOptions options)
+ {
+ //Contract.Requires(options != null);
+ //Contract.Requires(node != null);
+ WriteTermApplication(floatLtName, node, options);
+ return true;
+ }
+
+ public bool VisitFloatGeqOp(VCExprNAry node, LineariserOptions options)
+ {
+ //Contract.Requires(options != null);
+ //Contract.Requires(node != null);
+ WriteTermApplication(floatGeqName, node, options);
+ return true;
+ }
+
+ public bool VisitFloatGtOp(VCExprNAry node, LineariserOptions options)
+ {
+ //Contract.Requires(options != null);
+ //Contract.Requires(node != null);
+ WriteTermApplication(floatGtName, node, options);
+ return true;
+ }
+
+ public bool VisitFloatEqOp(VCExprNAry node, LineariserOptions options)
+ {
+ //Contract.Requires(options != null);
+ //Contract.Requires(node != null);
+ WriteTermApplication(floatEqName, node, options);
+ return true;
+ }
+
+ public bool VisitBvOp(VCExprNAry node, LineariserOptions options)
+ {
//Contract.Requires(options != null);
//Contract.Requires(node != null);
WriteTermApplication("$make_bv" + node.Type.BvBits, node, options);
@@ -955,9 +1065,12 @@ namespace Microsoft.Boogie.VCExprAST {
if (node.Type.IsInt) {
WriteTermApplication(intSubName, node, options);
}
- else {
+ else if (node.Type.IsReal) {
WriteTermApplication(realSubName, node, options);
}
+ else {
+ WriteTermApplication(floatSubName, node, options);
+ }
return true;
}
@@ -967,9 +1080,12 @@ namespace Microsoft.Boogie.VCExprAST {
if (node.Type.IsInt) {
WriteTermApplication(intMulName, node, options);
}
- else {
+ else if (node.Type.IsReal) {
WriteTermApplication(realMulName, node, options);
}
+ else {
+ WriteTermApplication(floatMulName, node, options);
+ }
return true;
}
@@ -1057,6 +1173,14 @@ namespace Microsoft.Boogie.VCExprAST {
return true;
}
+ public bool VisitToFloatOp(VCExprNAry node, LineariserOptions options)
+ {
+ //Contract.Requires(options != null);
+ //Contract.Requires(node != null);
+ WriteApplication(toFloatName, node, options);
+ return true;
+ }
+
public bool VisitBoogieFunctionOp(VCExprNAry node, LineariserOptions options) {
//Contract.Requires(options != null);
//Contract.Requires(node != null);
diff --git a/Source/VCExpr/TypeErasure.cs b/Source/VCExpr/TypeErasure.cs
index 76340f97..c2d99d77 100644
--- a/Source/VCExpr/TypeErasure.cs
+++ b/Source/VCExpr/TypeErasure.cs
@@ -1424,6 +1424,13 @@ namespace Microsoft.Boogie.TypeErasure {
Contract.Ensures(Contract.Result<VCExpr>() != null);
return CastArguments(node, Type.Real, bindings, 0);
}
+ /*public override VCExpr VisitFloatDivOp(VCExprNAry node, VariableBindings bindings)
+ {
+ Contract.Requires((bindings != null));
+ Contract.Requires((node != null));
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return CastArguments(node, Type.Float, bindings, 0);
+ }*/
public override VCExpr VisitPowOp(VCExprNAry node, VariableBindings bindings) {
Contract.Requires((bindings != null));
Contract.Requires((node != null));
@@ -1472,6 +1479,90 @@ namespace Microsoft.Boogie.TypeErasure {
Contract.Ensures(Contract.Result<VCExpr>() != null);
return CastArgumentsToOldType(node, bindings, 0);
}
+ public override VCExpr VisitFloatAddOp(VCExprNAry node, VariableBindings bindings)
+ {
+ Contract.Requires((bindings != null));
+ Contract.Requires((node != null));
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return CastArgumentsToOldType(node, bindings, 0);
+ }
+ public override VCExpr VisitFloatSubOp(VCExprNAry node, VariableBindings bindings)
+ {
+ Contract.Requires((bindings != null));
+ Contract.Requires((node != null));
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return CastArgumentsToOldType(node, bindings, 0);
+ }
+ public override VCExpr VisitFloatMulOp(VCExprNAry node, VariableBindings bindings)
+ {
+ Contract.Requires((bindings != null));
+ Contract.Requires((node != null));
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return CastArgumentsToOldType(node, bindings, 0);
+ }
+ public override VCExpr VisitFloatDivOp(VCExprNAry node, VariableBindings bindings)
+ {
+ Contract.Requires((bindings != null));
+ Contract.Requires((node != null));
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return CastArgumentsToOldType(node, bindings, 0);
+ }
+ public override VCExpr VisitFloatRemOp(VCExprNAry node, VariableBindings bindings)
+ {
+ Contract.Requires((bindings != null));
+ Contract.Requires((node != null));
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return CastArgumentsToOldType(node, bindings, 0);
+ }
+ public override VCExpr VisitFloatMinOp(VCExprNAry node, VariableBindings bindings)
+ {
+ Contract.Requires((bindings != null));
+ Contract.Requires((node != null));
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return CastArgumentsToOldType(node, bindings, 0);
+ }
+ public override VCExpr VisitFloatMaxOp(VCExprNAry node, VariableBindings bindings)
+ {
+ Contract.Requires((bindings != null));
+ Contract.Requires((node != null));
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return CastArgumentsToOldType(node, bindings, 0);
+ }
+ public override VCExpr VisitFloatLeqOp(VCExprNAry node, VariableBindings bindings)
+ {
+ Contract.Requires((bindings != null));
+ Contract.Requires((node != null));
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return CastArgumentsToOldType(node, bindings, 0);
+ }
+ public override VCExpr VisitFloatLtOp(VCExprNAry node, VariableBindings bindings)
+ {
+ Contract.Requires((bindings != null));
+ Contract.Requires((node != null));
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return CastArgumentsToOldType(node, bindings, 0);
+ }
+ public override VCExpr VisitFloatGeqOp(VCExprNAry node, VariableBindings bindings)
+ {
+ Contract.Requires((bindings != null));
+ Contract.Requires((node != null));
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return CastArgumentsToOldType(node, bindings, 0);
+ }
+ public override VCExpr VisitFloatGtOp(VCExprNAry node, VariableBindings bindings)
+ {
+ Contract.Requires((bindings != null));
+ Contract.Requires((node != null));
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return CastArgumentsToOldType(node, bindings, 0);
+ }
+ public override VCExpr VisitFloatEqOp(VCExprNAry node, VariableBindings bindings)
+ {
+ Contract.Requires((bindings != null));
+ Contract.Requires((node != null));
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return CastArgumentsToOldType(node, bindings, 0);
+ }
public override VCExpr VisitBvOp(VCExprNAry node, VariableBindings bindings) {
Contract.Requires((bindings != null));
Contract.Requires((node != null));
diff --git a/Source/VCExpr/VCExpr.csproj b/Source/VCExpr/VCExpr.csproj
index 1ad99bc1..efac274e 100644
--- a/Source/VCExpr/VCExpr.csproj
+++ b/Source/VCExpr/VCExpr.csproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -9,7 +9,7 @@
<OutputType>Library</OutputType>
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>VCExpr</RootNamespace>
- <AssemblyName>VCExpr</AssemblyName>
+ <AssemblyName>BoogieVCExpr</AssemblyName>
<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<CodeContractsAssemblyMode>1</CodeContractsAssemblyMode>
@@ -34,7 +34,7 @@
<IsWebBootstrapper>false</IsWebBootstrapper>
<UseApplicationTrust>false</UseApplicationTrust>
<BootstrapperEnabled>true</BootstrapperEnabled>
- <TargetFrameworkProfile Condition=" '$(OS)' == 'Windows_NT'" >Client</TargetFrameworkProfile>
+ <TargetFrameworkProfile Condition=" '$(OS)' == 'Windows_NT'">Client</TargetFrameworkProfile>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
@@ -220,4 +220,4 @@
<Target Name="AfterBuild">
</Target>
-->
-</Project>
+</Project> \ No newline at end of file
diff --git a/Source/VCExpr/VCExprAST.cs b/Source/VCExpr/VCExprAST.cs
index 2c77a252..b5d4dfb5 100644
--- a/Source/VCExpr/VCExprAST.cs
+++ b/Source/VCExpr/VCExprAST.cs
@@ -55,6 +55,13 @@ namespace Microsoft.Boogie {
return new VCExprRealLit(x);
}
+ public VCExpr/*!*/ Float(BigFloat x)
+ {
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+
+ return new VCExprFloatLit(x);
+ }
+
public VCExpr/*!*/ Function(VCExprOp/*!*/ op,
List<VCExpr/*!*/>/*!*/ arguments,
List<Type/*!*/>/*!*/ typeArguments) {
@@ -319,10 +326,13 @@ namespace Microsoft.Boogie {
public static readonly VCExprOp AddROp = new VCExprNAryOp(2, Type.Real);
public static readonly VCExprOp SubIOp = new VCExprNAryOp(2, Type.Int);
public static readonly VCExprOp SubROp = new VCExprNAryOp(2, Type.Real);
+ // public static readonly VCExprOp SubFOp = new VCExprNAryOp(2, Type.Float);
public static readonly VCExprOp MulIOp = new VCExprNAryOp(2, Type.Int);
public static readonly VCExprOp MulROp = new VCExprNAryOp(2, Type.Real);
+ //public static readonly VCExprOp MulFOp = new VCExprNAryOp(2, Type.Float);
public static readonly VCExprOp DivIOp = new VCExprNAryOp(2, Type.Int);
public static readonly VCExprOp DivROp = new VCExprNAryOp(2, Type.Real);
+ //public static readonly VCExprOp DivFOp = new VCExprNAryOp(2, Type.Float);
public static readonly VCExprOp ModOp = new VCExprNAryOp(2, Type.Int);
public static readonly VCExprOp PowOp = new VCExprNAryOp(2, Type.Real);
public static readonly VCExprOp LtOp = new VCExprNAryOp(2, Type.Bool);
@@ -336,6 +346,7 @@ namespace Microsoft.Boogie {
public static readonly VCExprOp IfThenElseOp = new VCExprIfThenElseOp();
public static readonly VCExprOp ToIntOp = new VCExprNAryOp(1, Type.Int);
public static readonly VCExprOp ToRealOp = new VCExprNAryOp(1, Type.Real);
+ //public static readonly VCExprOp ToFloatOp = new VCExprNAryOp(1, Type.Float);
public static readonly VCExprOp TickleBoolOp = new VCExprCustomOp("tickleBool", 1, Type.Bool);
@@ -351,6 +362,17 @@ namespace Microsoft.Boogie {
return new VCExprBoogieFunctionOp(func);
}
+ // Float nodes
+
+ public VCExprOp BinaryFloatOp(int exp, int man, string op)
+ {
+ Contract.Requires(exp > 0);
+ Contract.Requires(man > 0);
+ Contract.Requires(op != null);
+ Contract.Ensures(Contract.Result<VCExpr>() != null);
+ return new VCExprBinaryFloatOp(exp, man, op);
+ }
+
// Bitvector nodes
public VCExpr Bitvector(BvConst bv) {
@@ -406,7 +428,8 @@ namespace Microsoft.Boogie {
Subtype3Op,
BvConcatOp,
ToIntOp,
- ToRealOp
+ ToRealOp,
+ ToFloatOp
};
internal static Dictionary<VCExprOp/*!*/, SingletonOp>/*!*/ SingletonOpDict;
[ContractInvariantMethod]
@@ -427,10 +450,13 @@ namespace Microsoft.Boogie {
SingletonOpDict.Add(AddROp, SingletonOp.AddOp);
SingletonOpDict.Add(SubIOp, SingletonOp.SubOp);
SingletonOpDict.Add(SubROp, SingletonOp.SubOp);
+ //SingletonOpDict.Add(SubFOp, SingletonOp.SubOp);
SingletonOpDict.Add(MulIOp, SingletonOp.MulOp);
SingletonOpDict.Add(MulROp, SingletonOp.MulOp);
+ //SingletonOpDict.Add(MulFOp, SingletonOp.MulOp);
SingletonOpDict.Add(DivIOp, SingletonOp.DivOp);
SingletonOpDict.Add(DivROp, SingletonOp.RealDivOp);
+ //SingletonOpDict.Add(DivFOp, SingletonOp.FloatDivOp);
SingletonOpDict.Add(ModOp, SingletonOp.ModOp);
SingletonOpDict.Add(PowOp, SingletonOp.PowOp);
SingletonOpDict.Add(LtOp, SingletonOp.LtOp);
@@ -441,6 +467,7 @@ namespace Microsoft.Boogie {
SingletonOpDict.Add(Subtype3Op, SingletonOp.Subtype3Op);
SingletonOpDict.Add(ToIntOp, SingletonOp.ToIntOp);
SingletonOpDict.Add(ToRealOp, SingletonOp.ToRealOp);
+ //SingletonOpDict.Add(ToFloatOp, SingletonOp.ToFloatOp);
}
////////////////////////////////////////////////////////////////////////////////
@@ -862,6 +889,31 @@ namespace Microsoft.Boogie.VCExprAST {
}
}
+ public class VCExprFloatLit : VCExprLiteral
+ {
+ public readonly BigFloat Val;
+ internal VCExprFloatLit(BigFloat val)
+ : base(Type.GetFloatType(val.ExponentSize, val.SignificandSize))
+ {
+ this.Val = val;
+ }
+ [Pure]
+ [Reads(ReadsAttribute.Reads.Nothing)]
+ public override bool Equals(object that)
+ {
+ if (Object.ReferenceEquals(this, that))
+ return true;
+ if (that is VCExprFloatLit)
+ return Val == ((VCExprFloatLit)that).Val;
+ return false;
+ }
+ [Pure]
+ public override int GetHashCode()
+ {
+ return Val.GetHashCode() * 72321;
+ }
+ }
+
/////////////////////////////////////////////////////////////////////////////////
// Operator expressions with fixed arity
[ContractClassFor(typeof(VCExprNAry))]
@@ -1639,6 +1691,86 @@ namespace Microsoft.Boogie.VCExprAST {
}
/////////////////////////////////////////////////////////////////////////////////
+ // Float operators
+
+ public class VCExprBinaryFloatOp : VCExprOp {
+ public readonly int Mantissa;
+ public readonly int Exponent;
+ private string op;
+
+ public override int Arity {
+ get {
+ return 2;
+ }
+ }
+ public override int TypeParamArity {
+ get {
+ return 2;
+ }
+ }
+ public override Type InferType(List<VCExpr> args, List<Type/*!*/>/*!*/ typeArgs) {
+ //Contract.Requires(cce.NonNullElements(typeArgs));
+ //Contract.Requires(cce.NonNullElements(args));
+ Contract.Ensures(Contract.Result<Type>() != null);
+ return Type.GetFloatType(Exponent, Mantissa);
+ }
+
+ [Pure]
+ [Reads(ReadsAttribute.Reads.Nothing)]
+ public override bool Equals(object that) {
+ if (Object.ReferenceEquals(this, that))
+ return true;
+ if (that is VCExprBinaryFloatOp)
+ return this.Exponent == ((VCExprBinaryFloatOp)that).Exponent && this.Mantissa == ((VCExprBinaryFloatOp)that).Mantissa;
+ return false;
+ }
+ [Pure]
+ public override int GetHashCode() {
+ return Exponent * 81748912 + Mantissa * 67867979;
+ }
+
+ internal VCExprBinaryFloatOp(int exp, int man, string op) {
+ this.Exponent = exp;
+ this.Mantissa = man;
+ this.op = op;
+ }
+ public override Result Accept<Result, Arg>
+ (VCExprNAry expr, IVCExprOpVisitor<Result, Arg> visitor, Arg arg) {
+ //Contract.Requires(visitor != null);
+ //Contract.Requires(expr != null);
+ switch (op) {
+ case ("+"):
+ return visitor.VisitFloatAddOp(expr, arg);
+ case ("-"):
+ return visitor.VisitFloatSubOp(expr, arg);
+ case ("*"):
+ return visitor.VisitFloatMulOp(expr, arg);
+ case ("/"):
+ return visitor.VisitFloatDivOp(expr, arg);
+ case ("rem"):
+ return visitor.VisitFloatRemOp(expr, arg);
+ case ("min"):
+ return visitor.VisitFloatMinOp(expr, arg);
+ case ("max"):
+ return visitor.VisitFloatMaxOp(expr, arg);
+ case ("<="):
+ return visitor.VisitFloatLeqOp(expr, arg);
+ case ("<"):
+ return visitor.VisitFloatLtOp(expr, arg);
+ case (">="):
+ return visitor.VisitFloatGeqOp(expr, arg);
+ case (">"):
+ return visitor.VisitFloatGtOp(expr, arg);
+ case ("=="):
+ return visitor.VisitFloatEqOp(expr, arg);
+ default:
+ Contract.Assert(false);
+ throw new cce.UnreachableException();
+ }
+ }
+ }
+
+ /////////////////////////////////////////////////////////////////////////////////
// Bitvector operators
public class VCExprBvOp : VCExprOp {
diff --git a/Source/VCExpr/VCExprASTPrinter.cs b/Source/VCExpr/VCExprASTPrinter.cs
index 2af4708d..dac9604c 100644
--- a/Source/VCExpr/VCExprASTPrinter.cs
+++ b/Source/VCExpr/VCExprASTPrinter.cs
@@ -242,6 +242,78 @@ namespace Microsoft.Boogie.VCExprAST {
//Contract.Requires(node != null);
return PrintNAry("Store", node, wr);
}
+ public bool VisitFloatAddOp(VCExprNAry node, TextWriter wr)
+ {
+ //Contract.Requires(wr != null);
+ //Contract.Requires(node != null);
+ return PrintNAry("fp.add", node, wr);
+ }
+ public bool VisitFloatSubOp(VCExprNAry node, TextWriter wr)
+ {
+ //Contract.Requires(wr != null);
+ //Contract.Requires(node != null);
+ return PrintNAry("fp.sub", node, wr);
+ }
+ public bool VisitFloatMulOp(VCExprNAry node, TextWriter wr)
+ {
+ //Contract.Requires(wr != null);
+ //Contract.Requires(node != null);
+ return PrintNAry("fp.mul", node, wr);
+ }
+ public bool VisitFloatDivOp(VCExprNAry node, TextWriter wr)
+ {
+ //Contract.Requires(wr != null);
+ //Contract.Requires(node != null);
+ return PrintNAry("fp.div", node, wr);
+ }
+ public bool VisitFloatRemOp(VCExprNAry node, TextWriter wr)
+ {
+ //Contract.Requires(wr != null);
+ //Contract.Requires(node != null);
+ return PrintNAry("fp.rem", node, wr);
+ }
+ public bool VisitFloatMinOp(VCExprNAry node, TextWriter wr)
+ {
+ //Contract.Requires(wr != null);
+ //Contract.Requires(node != null);
+ return PrintNAry("fp.min", node, wr);
+ }
+ public bool VisitFloatMaxOp(VCExprNAry node, TextWriter wr)
+ {
+ //Contract.Requires(wr != null);
+ //Contract.Requires(node != null);
+ return PrintNAry("fp.max", node, wr);
+ }
+ public bool VisitFloatLeqOp(VCExprNAry node, TextWriter wr)
+ {
+ //Contract.Requires(wr != null);
+ //Contract.Requires(node != null);
+ return PrintNAry("fp.leq", node, wr);
+ }
+ public bool VisitFloatLtOp(VCExprNAry node, TextWriter wr)
+ {
+ //Contract.Requires(wr != null);
+ //Contract.Requires(node != null);
+ return PrintNAry("fp.lt", node, wr);
+ }
+ public bool VisitFloatGeqOp(VCExprNAry node, TextWriter wr)
+ {
+ //Contract.Requires(wr != null);
+ //Contract.Requires(node != null);
+ return PrintNAry("fp.geq", node, wr);
+ }
+ public bool VisitFloatGtOp(VCExprNAry node, TextWriter wr)
+ {
+ //Contract.Requires(wr != null);
+ //Contract.Requires(node != null);
+ return PrintNAry("fp.gt", node, wr);
+ }
+ public bool VisitFloatEqOp(VCExprNAry node, TextWriter wr)
+ {
+ //Contract.Requires(wr != null);
+ //Contract.Requires(node != null);
+ return PrintNAry("fp.eq", node, wr);
+ }
public bool VisitBvOp(VCExprNAry node, TextWriter wr) {
//Contract.Requires(wr != null);
//Contract.Requires(node != null);
diff --git a/Source/VCExpr/VCExprASTVisitors.cs b/Source/VCExpr/VCExprASTVisitors.cs
index fc1bdd65..a23aaf8a 100644
--- a/Source/VCExpr/VCExprASTVisitors.cs
+++ b/Source/VCExpr/VCExprASTVisitors.cs
@@ -68,6 +68,18 @@ namespace Microsoft.Boogie.VCExprAST {
Result VisitLabelOp(VCExprNAry node, Arg arg);
Result VisitSelectOp(VCExprNAry node, Arg arg);
Result VisitStoreOp(VCExprNAry node, Arg arg);
+ Result VisitFloatAddOp(VCExprNAry node, Arg arg);
+ Result VisitFloatSubOp(VCExprNAry node, Arg arg);
+ Result VisitFloatMulOp(VCExprNAry node, Arg arg);
+ Result VisitFloatDivOp(VCExprNAry node, Arg arg);
+ Result VisitFloatRemOp(VCExprNAry node, Arg arg);
+ Result VisitFloatMinOp(VCExprNAry node, Arg arg);
+ Result VisitFloatMaxOp(VCExprNAry node, Arg arg);
+ Result VisitFloatLeqOp(VCExprNAry node, Arg arg);
+ Result VisitFloatLtOp(VCExprNAry node, Arg arg);
+ Result VisitFloatGeqOp(VCExprNAry node, Arg arg);
+ Result VisitFloatGtOp(VCExprNAry node, Arg arg);
+ Result VisitFloatEqOp(VCExprNAry node, Arg arg);
Result VisitBvOp(VCExprNAry node, Arg arg);
Result VisitBvExtractOp(VCExprNAry node, Arg arg);
Result VisitBvConcatOp(VCExprNAry node, Arg arg);
@@ -144,6 +156,78 @@ namespace Microsoft.Boogie.VCExprAST {
throw new NotImplementedException();
}
+ public Result VisitFloatAddOp(VCExprNAry node, Arg arg)
+ {
+ Contract.Requires(node != null);
+ throw new NotImplementedException();
+ }
+
+ public Result VisitFloatSubOp(VCExprNAry node, Arg arg)
+ {
+ Contract.Requires(node != null);
+ throw new NotImplementedException();
+ }
+
+ public Result VisitFloatMulOp(VCExprNAry node, Arg arg)
+ {
+ Contract.Requires(node != null);
+ throw new NotImplementedException();
+ }
+
+ public Result VisitFloatDivOp(VCExprNAry node, Arg arg)
+ {
+ Contract.Requires(node != null);
+ throw new NotImplementedException();
+ }
+
+ public Result VisitFloatRemOp(VCExprNAry node, Arg arg)
+ {
+ Contract.Requires(node != null);
+ throw new NotImplementedException();
+ }
+
+ public Result VisitFloatMinOp(VCExprNAry node, Arg arg)
+ {
+ Contract.Requires(node != null);
+ throw new NotImplementedException();
+ }
+
+ public Result VisitFloatMaxOp(VCExprNAry node, Arg arg)
+ {
+ Contract.Requires(node != null);
+ throw new NotImplementedException();
+ }
+
+ public Result VisitFloatLeqOp(VCExprNAry node, Arg arg)
+ {
+ Contract.Requires(node != null);
+ throw new NotImplementedException();
+ }
+
+ public Result VisitFloatLtOp(VCExprNAry node, Arg arg)
+ {
+ Contract.Requires(node != null);
+ throw new NotImplementedException();
+ }
+
+ public Result VisitFloatGeqOp(VCExprNAry node, Arg arg)
+ {
+ Contract.Requires(node != null);
+ throw new NotImplementedException();
+ }
+
+ public Result VisitFloatGtOp(VCExprNAry node, Arg arg)
+ {
+ Contract.Requires(node != null);
+ throw new NotImplementedException();
+ }
+
+ public Result VisitFloatEqOp(VCExprNAry node, Arg arg)
+ {
+ Contract.Requires(node != null);
+ throw new NotImplementedException();
+ }
+
public Result VisitBvOp(VCExprNAry node, Arg arg) {
Contract.Requires(node != null);
throw new NotImplementedException();
@@ -234,6 +318,12 @@ namespace Microsoft.Boogie.VCExprAST {
throw new NotImplementedException();
}
+ public Result VisitToFloat(VCExprNAry node, Arg arg) //TODO: modify later
+ {
+ Contract.Requires(node != null);
+ throw new NotImplementedException();
+ }
+
public Result VisitBoogieFunctionOp(VCExprNAry node, Arg arg) {
Contract.Requires(node != null);
throw new NotImplementedException();
@@ -1438,6 +1528,65 @@ namespace Microsoft.Boogie.VCExprAST {
//Contract.Requires(node != null);
return StandardResult(node, arg);
}
+ public virtual Result VisitFloatAddOp(VCExprNAry node, Arg arg) {
+ //Contract.Requires(node != null);
+ return StandardResult(node, arg);
+ }
+ public virtual Result VisitFloatSubOp(VCExprNAry node, Arg arg)
+ {
+ //Contract.Requires(node != null);
+ return StandardResult(node, arg);
+ }
+ public virtual Result VisitFloatMulOp(VCExprNAry node, Arg arg)
+ {
+ //Contract.Requires(node != null);
+ return StandardResult(node, arg);
+ }
+ public virtual Result VisitFloatDivOp(VCExprNAry node, Arg arg)
+ {
+ //Contract.Requires(node != null);
+ return StandardResult(node, arg);
+ }
+ public virtual Result VisitFloatRemOp(VCExprNAry node, Arg arg)
+ {
+ //Contract.Requires(node != null);
+ return StandardResult(node, arg);
+ }
+ public virtual Result VisitFloatMinOp(VCExprNAry node, Arg arg)
+ {
+ //Contract.Requires(node != null);
+ return StandardResult(node, arg);
+ }
+ public virtual Result VisitFloatMaxOp(VCExprNAry node, Arg arg)
+ {
+ //Contract.Requires(node != null);
+ return StandardResult(node, arg);
+ }
+ public virtual Result VisitFloatLeqOp(VCExprNAry node, Arg arg)
+ {
+ //Contract.Requires(node != null);
+ return StandardResult(node, arg);
+ }
+ public virtual Result VisitFloatLtOp(VCExprNAry node, Arg arg)
+ {
+ //Contract.Requires(node != null);
+ return StandardResult(node, arg);
+ }
+ public virtual Result VisitFloatGeqOp(VCExprNAry node, Arg arg)
+ {
+ //Contract.Requires(node != null);
+ return StandardResult(node, arg);
+ }
+ public virtual Result VisitFloatGtOp(VCExprNAry node, Arg arg)
+ {
+ //Contract.Requires(node != null);
+ return StandardResult(node, arg);
+ }
+ public virtual Result VisitFloatEqOp(VCExprNAry node, Arg arg)
+ {
+ //Contract.Requires(node != null);
+ return StandardResult(node, arg);
+ }
public virtual Result VisitBvOp(VCExprNAry node, Arg arg) {
//Contract.Requires(node != null);
return StandardResult(node, arg);
@@ -1518,6 +1667,11 @@ namespace Microsoft.Boogie.VCExprAST {
//Contract.Requires(node != null);
return StandardResult(node, arg);
}
+ public virtual Result VisitToFloatOp(VCExprNAry node, Arg arg)
+ {
+ //Contract.Requires(node != null);
+ return StandardResult(node, arg);
+ }
public virtual Result VisitBoogieFunctionOp(VCExprNAry node, Arg arg) {
//Contract.Requires(node != null);
return StandardResult(node, arg);