/// <summary>
/// Create a floating-point zero of sort s.
/// </summary>
/// <param name="s">FloatingPoint sort.</param>
/// <param name="negative">indicates whether the result should be negative.</param>
public FPNum MkFPZero(FPSort s, bool negative)
{
Contract.Ensures(Contract.Result<FPRMExpr>() != null);
return new FPNum(this, Native.Z3_mk_fpa_zero(nCtx, s.NativeObject, negative ? 1 : 0));
}
/// <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));
}
/// <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));
}
/// <summary>
/// Conversion of a single IEEE 754-2008 bit-vector into a floating-point number.
/// </summary>
/// <remarks>
/// Produces a term that represents the conversion of a bit-vector term bv to a
/// floating-point term of sort s. The bit-vector size of bv (m) must be equal
/// to ebits+sbits of s. The format of the bit-vector is as defined by the
/// IEEE 754-2008 interchange format.
/// </remarks>
/// <param name="bv">bit-vector value (of size m).</param>
/// <param name="s">FloatingPoint sort (ebits+sbits == m)</param>
public FPExpr MkFPToFP(BitVecExpr bv, FPSort s)
{
Contract.Ensures(Contract.Result<FPExpr>() != null);
return new FPExpr(this, Native.Z3_mk_fpa_to_fp_bv(this.nCtx, bv.NativeObject, s.NativeObject));
}
/// <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));
}
/// <summary>
/// Create a numeral of FloatingPoint sort from a sign bit and two 64-bit integers.
/// </summary>
/// <param name="sgn">the sign.</param>
/// <param name="sig">the significand.</param>
/// <param name="exp">the exponent.</param>
/// <param name="s">FloatingPoint sort.</param>
public FPNum MkFPNumeral(bool sgn, Int64 exp, UInt64 sig, FPSort s)
{
Contract.Ensures(Contract.Result<FPRMExpr>() != null);
return new FPNum(this, Native.Z3_mk_fpa_numeral_int64_uint64(nCtx, sgn ? 1 : 0, exp, sig, s.NativeObject));
}
/// <summary>
/// Create a numeral of FloatingPoint sort from an int.
/// </summary>
/// <param name="v">numeral value.</param>
/// <param name="s">FloatingPoint sort.</param>
public FPNum MkFPNumeral(int v, FPSort s)
{
Contract.Ensures(Contract.Result<FPRMExpr>() != null);
return new FPNum(this, Native.Z3_mk_fpa_numeral_int(nCtx, v, s.NativeObject));
}
/// <summary>
/// Create a NaN of sort s.
/// </summary>
/// <param name="s">FloatingPoint sort.</param>
public FPNum MkFPNaN(FPSort s)
{
Contract.Ensures(Contract.Result<FPRMExpr>() != null);
return new FPNum(this, Native.Z3_mk_fpa_nan(nCtx, s.NativeObject));
}
/// <summary>
/// Create a numeral of FloatingPoint sort from a sign bit and two 64-bit integers.
/// </summary>
/// <param name="sgn">the sign.</param>
/// <param name="exp">the exponent.</param>
/// <param name="sig">the significand.</param>
/// <param name="s">FloatingPoint sort.</param>
public FPNum MkFP(bool sgn, Int64 exp, UInt64 sig, FPSort s)
{
Contract.Ensures(Contract.Result<FPRMExpr>() != null);
return MkFPNumeral(sgn, exp, sig, s);
}
/// <summary>
/// Create a numeral of FloatingPoint sort from an int.
/// </summary>
/// <param name="v">numeral value.</param>
/// <param name="s">FloatingPoint sort.</param>
public FPNum MkFP(int v, FPSort s)
{
Contract.Ensures(Contract.Result<FPRMExpr>() != null);
return MkFPNumeral(v, s);
}
