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Refactored FPA numeral accessors.

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This commit is contained in:
Christoph M. Wintersteiger 2016-10-21 17:39:31 +01:00
parent 0a11e8f3c0
commit abcb6040d4
6 changed files with 175 additions and 172 deletions
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71
src/api/dotnet/FPNum.cs
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@ -33,7 +33,7 @@ namespace Microsoft.Z3
/// <remarks>
/// NaN's do not have a bit-vector sign, so they are invalid arguments.
/// </remarks>
public BitVecExpr BVSign
public BitVecExpr SignBV
{
get
{
@ -41,34 +41,6 @@ namespace Microsoft.Z3
}
}
/// <summary>
/// The exponent of a floating-point numeral as a bit-vector expression
/// </summary>
/// <remarks>
/// +oo, -oo and NaN's do not have a bit-vector exponent, so they are invalid arguments.
/// </remarks>
public BitVecExpr BVExponent
{
get
{
return new BitVecExpr(Context, Native.Z3_fpa_get_numeral_exponent_bv(Context.nCtx, NativeObject));
}
}
/// <summary>
/// The significand of a floating-point numeral as a bit-vector expression
/// </summary>
/// <remarks>
/// +oo, -oo and NaN's do not have a bit-vector significand, so they are invalid arguments.
/// </remarks>
public BitVecExpr BVSignificand
{
get
{
return new BitVecExpr(Context, Native.Z3_fpa_get_numeral_significand_bv(Context.nCtx, NativeObject));
}
}
/// <summary>
/// Retrieves the sign of a floating-point literal
/// </summary>
@ -121,28 +93,47 @@ namespace Microsoft.Z3
}
/// <summary>
/// Return the exponent value of a floating-point numeral as a string
/// The significand of a floating-point numeral as a bit-vector expression
/// </summary>
public string Exponent
/// <remarks>
/// +oo, -oo and NaN's do not have a bit-vector significand, so they are invalid arguments.
/// </remarks>
public BitVecExpr SignificandBV
{
get
{
return Native.Z3_fpa_get_numeral_exponent_string(Context.nCtx, NativeObject);
return new BitVecExpr(Context, Native.Z3_fpa_get_numeral_significand_bv(Context.nCtx, NativeObject));
}
}
/// <summary>
/// Return the (biased) exponent value of a floating-point numeral as a string
/// </summary>
public string Exponent(bool biased = true)
{
return Native.Z3_fpa_get_numeral_exponent_string(Context.nCtx, NativeObject, biased ? 1 : 0);
}
/// <summary>
/// Return the exponent value of a floating-point numeral as a signed 64-bit integer
/// </summary>
public Int64 ExponentInt64
public Int64 ExponentInt64(bool biased = true)
{
get
{
Int64 result = 0;
if (Native.Z3_fpa_get_numeral_exponent_int64(Context.nCtx, NativeObject, ref result) == 0)
throw new Z3Exception("Exponent is not a 64 bit integer");
return result;
}
Int64 result = 0;
if (Native.Z3_fpa_get_numeral_exponent_int64(Context.nCtx, NativeObject, ref result, biased ? 1 : 0) == 0)
throw new Z3Exception("Exponent is not a 64 bit integer");
return result;
}
/// <summary>
/// The exponent of a floating-point numeral as a bit-vector expression
/// </summary>
/// <remarks>
/// +oo, -oo and NaN's do not have a bit-vector exponent, so they are invalid arguments.
/// </remarks>
public BitVecExpr ExponentBV(bool biased = true)
{
return new BitVecExpr(Context, Native.Z3_fpa_get_numeral_exponent_bv(Context.nCtx, NativeObject, biased ? 1 : 0));
}
#region Internal