static void WriteFloatPrimitive(BitStreamWriter writer, double value, FloatDsdlType type)
{
var range = TypeLimits.GetFloatRange(type.MaxBitlen);
switch (type.CastMode)
{
case CastMode.Saturated:
if (value > range.Maximum)
{
value = range.Maximum;
}
if (value < range.Minimum)
{
value = range.Minimum;
}
break;
case CastMode.Truncated:
if (!double.IsNaN(value) && value > range.Maximum)
{
value = double.PositiveInfinity;
}
if (!double.IsNaN(value) && value < range.Maximum)
{
value = double.NegativeInfinity;
}
break;
default:
throw new ArgumentOutOfRangeException();
}
switch (type.MaxBitlen)
{
case 16:
var val = BitSerializer.Float32ToUInt16((float)value);
BitSerializer.Write(writer, val, 16);
break;
case 32:
BitSerializer.Write(writer, (float)value, 32);
break;
case 64:
BitSerializer.Write(writer, value, 64);
break;
default:
throw new InvalidOperationException($"Unexpected float bit lenght: {type.MaxBitlen}.");
}
}
static object ReadFloatPrimitiveType(BitStreamReader reader, FloatDsdlType t)
{
switch (t.MaxBitlen)
{
case 16:
var value = (ushort)BitSerializer.ReadUInt(reader, 16);
return(BitSerializer.UInt16ToFloat32(value));
case 32:
return(BitSerializer.ReadSingle(reader, 32));
case 64:
return(BitSerializer.ReadDouble(reader, 64));
default:
throw new InvalidOperationException($"Unexpected float bit lenght: {t.MaxBitlen}.");
}
}
