Ejemplo n.º 1
0
        /// <summary>
        /// Translates an ASTVector into a FPRMExpr[]
        /// </summary>
        public FPRMExpr[] ToFPRMExprArray()
        {
            uint n = Size;

            FPRMExpr[] res = new FPRMExpr[n];
            for (uint i = 0; i < n; i++)
            {
                res[i] = (FPRMExpr)Expr.Create(this.Context, this[i].NativeObject);
            }
            return(res);
        }
Ejemplo n.º 2
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 /// <summary>
 /// Conversion of a real-sorted significand and an integer-sorted exponent into a term of FloatingPoint sort.
 /// </summary>
 /// <remarks>
 /// Produces a term that represents the conversion of sig * 2^exp into a 
 /// floating-point term of sort s. If necessary, the result will be rounded
 /// according to rounding mode rm.
 /// </remarks>
 /// <param name="rm">RoundingMode term.</param>
 /// <param name="exp">Exponent term of Int sort.</param>
 /// <param name="sig">Significand term of Real sort.</param>        
 /// <param name="s">FloatingPoint sort.</param>
 public BitVecExpr MkFPToFP(FPRMExpr rm, IntExpr exp, RealExpr sig, FPSort s)
 {
     Contract.Ensures(Contract.Result<BitVecExpr>() != null);
     return new BitVecExpr(this, Native.Z3_mk_fpa_to_fp_int_real(this.nCtx, rm.NativeObject, exp.NativeObject, sig.NativeObject, s.NativeObject));
 }
Ejemplo n.º 3
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 /// <summary>
 /// Conversion of a floating-point number to another FloatingPoint sort s.
 /// </summary>
 /// <remarks>
 /// Produces a term that represents the conversion of a floating-point term t to a different
 /// FloatingPoint sort s. If necessary, rounding according to rm is applied. 
 /// </remarks>
 /// <param name="s">FloatingPoint sort</param>
 /// <param name="rm">floating-point rounding mode term</param>
 /// <param name="t">floating-point term</param>
 public FPExpr MkFPToFP(FPSort s, FPRMExpr rm, FPExpr t)
 {
     Contract.Ensures(Contract.Result<FPExpr>() != null);
     return new FPExpr(this, Native.Z3_mk_fpa_to_fp_float(this.nCtx, s.NativeObject, rm.NativeObject, t.NativeObject));
 }
Ejemplo n.º 4
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 /// <summary>
 /// Conversion of a 2's complement signed bit-vector term into a term of FloatingPoint sort.
 /// </summary>
 /// <remarks>
 /// Produces a term that represents the conversion of the bit-vector term t into a
 /// floating-point term of sort s. The bit-vector t is taken to be in signed 
 /// 2's complement format (when signed==true, otherwise unsigned). If necessary, the 
 /// result will be rounded according to rounding mode rm.
 /// </remarks>
 /// <param name="rm">RoundingMode term.</param>
 /// <param name="t">term of bit-vector sort.</param>
 /// <param name="s">FloatingPoint sort.</param>
 /// <param name="signed">flag indicating whether t is interpreted as signed or unsigned bit-vector.</param>
 public FPExpr MkFPToFP(FPRMExpr rm, BitVecExpr t, FPSort s, bool signed)
 {
     Contract.Ensures(Contract.Result<FPExpr>() != null);
     if (signed)
         return new FPExpr(this, Native.Z3_mk_fpa_to_fp_signed(this.nCtx, rm.NativeObject, t.NativeObject, s.NativeObject));
     else
         return new FPExpr(this, Native.Z3_mk_fpa_to_fp_unsigned(this.nCtx, rm.NativeObject, t.NativeObject, s.NativeObject));
 }
Ejemplo n.º 5
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 /// <summary>
 /// Conversion of a floating-point term into a bit-vector.
 /// </summary>
 /// <remarks>
 /// Produces a term that represents the conversion of the floating-poiunt term t into a
 /// bit-vector term of size sz in 2's complement format (signed when signed==true). If necessary, 
 /// the result will be rounded according to rounding mode rm.
 /// </remarks>        
 /// <param name="rm">RoundingMode term.</param>
 /// <param name="t">FloatingPoint term</param>
 /// <param name="sz">Size of the resulting bit-vector.</param>
 /// <param name="signed">Indicates whether the result is a signed or unsigned bit-vector.</param>
 public BitVecExpr MkFPToBV(FPRMExpr rm, FPExpr t, uint sz, bool signed)
 {
     Contract.Ensures(Contract.Result<BitVecExpr>() != null);
     if (signed)
         return new BitVecExpr(this, Native.Z3_mk_fpa_to_sbv(this.nCtx, rm.NativeObject, t.NativeObject, sz));
     else
         return new BitVecExpr(this, Native.Z3_mk_fpa_to_ubv(this.nCtx, rm.NativeObject, t.NativeObject, sz));
 }
Ejemplo n.º 6
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 /// <summary>
 /// Floating-point subtraction
 /// </summary>
 /// <param name="rm">rounding mode term</param>
 /// <param name="t1">floating-point term</param>
 /// <param name="t2">floating-point term</param>
 public FPExpr MkFPSub(FPRMExpr rm, FPExpr t1, FPExpr t2)
 {
     Contract.Ensures(Contract.Result<FPNum>() != null);
     return new FPExpr(this, Native.Z3_mk_fpa_sub(this.nCtx, rm.NativeObject, t1.NativeObject, t2.NativeObject));
 }
Ejemplo n.º 7
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 /// <summary>
 /// Floating-point roundToIntegral. Rounds a floating-point number to 
 /// the closest integer, again represented as a floating-point number.
 /// </summary>        
 /// <param name="rm">term of RoundingMode sort</param>
 /// <param name="t">floating-point term</param>
 public FPExpr MkFPRoundToIntegral(FPRMExpr rm, FPExpr t)
 {
     Contract.Ensures(Contract.Result<FPNum>() != null);
     return new FPExpr(this, Native.Z3_mk_fpa_round_to_integral(this.nCtx, rm.NativeObject, t.NativeObject));
 }
Ejemplo n.º 8
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 /// <summary>
 /// Translates an ASTVector into a FPRMExpr[]
 /// </summary>    
 public FPRMExpr[] ToFPRMExprArray()
 {
     uint n = Size;
     FPRMExpr[] res = new FPRMExpr[n];
     for (uint i = 0; i < n; i++)
         res[i] = (FPRMExpr)Expr.Create(this.Context, this[i].NativeObject);
     return res;
 }