/// <summary>
/// Converts <paramref name="src"/> to <paramref name="dstType"/> datatype, possibly with loss of precision or overflow.
/// </summary>
/// <remarks>Currently, conversions between all primitive numeric CIL types, enum types, and System#-intrinsic datatypes
/// Signed, Unsigned, SFix, UFix and StdLogicVector are supported.</remarks>
/// <exception cref="ArgumentNullException">if <paramref name="dstType"/> is null</exception>
/// <exception cref="NotImplementedException">if there is no known conversion to <paramref name="dstType"/></exception>
public static object ConvertUFix(UFix src, TypeDescriptor dstType)
{
Contract.Requires<ArgumentNullException>(dstType != null, "dstType");
if (dstType.CILType.Equals(typeof(UFix)))
return src.Resize(UFix.GetFormat(dstType).IntWidth, UFix.GetFormat(dstType).FracWidth);
else if (dstType.CILType.Equals(typeof(Unsigned)))
return src.UnsignedValue.Resize(UFix.GetFormat(dstType).IntWidth);
else if (dstType.CILType.Equals(typeof(StdLogicVector)))
return src.SLVValue[StdLogicVector.GetLength(dstType) - 1, 0];
else
return ConvertUFix(src, dstType.CILType);
}
/// <summary>
/// Converts <paramref name="src"/> to <paramref name="dstType"/> datatype, possibly with loss of precision or overflow.
/// </summary>
/// <remarks>Currently, conversions between all primitive numeric CIL types and enum types are supported.</remarks>
/// <exception cref="ArgumentNullException">if <paramref name="dstType"/> is null</exception>
/// <exception cref="NotImplementedException">if there is no known conversion to <paramref name="dstType"/></exception>
public static object ConvertUFix(UFix src, Type dstType)
{
Contract.Requires<ArgumentNullException>(dstType != null, "dstType");
if (dstType.Equals(typeof(double)))
return src.DoubleValue;
else if (dstType.Equals(typeof(sbyte)))
return (sbyte)src.SFixValue.Resize(8, 0).SignedValue.LongValue;
else if (dstType.Equals(typeof(byte)))
return (byte)src.Resize(8, 0).UnsignedValue.ULongValue;
else if (dstType.Equals(typeof(short)))
return (short)src.SFixValue.Resize(16, 0).SignedValue.LongValue;
else if (dstType.Equals(typeof(ushort)))
return (byte)src.Resize(16, 0).UnsignedValue.ULongValue;
else if (dstType.Equals(typeof(int)))
return (int)src.SFixValue.Resize(32, 0).SignedValue.LongValue;
else if (dstType.Equals(typeof(uint)))
return (uint)src.Resize(32, 0).UnsignedValue.ULongValue;
else if (dstType.Equals(typeof(long)))
return src.SFixValue.Resize(64, 0).SignedValue.LongValue;
else if (dstType.Equals(typeof(ulong)))
return src.Resize(64, 0).UnsignedValue.ULongValue;
else
throw new NotImplementedException();
}