| public static IsInfinity ( double value ) : bool | ||
| value | double | |
| Résultat | bool | |
static void WriteDouble(double value, ProtoWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
switch (writer.wireType)
{
case WireType.Fixed32:
float f = (float)value;
if (Helpers.IsInfinity(f) &&
!Helpers.IsInfinity(value))
{
throw new OverflowException();
}
ProtoWriter.WriteSingle(f, writer);
return;
case WireType.Fixed64:
#if FEAT_SAFE
ProtoWriter.WriteInt64(BitConverter.ToInt64(BitConverter.GetBytes(value), 0), writer);
#else
ProtoWriter.WriteInt64(*(long *)&value, writer);
#endif
return;
default:
throw CreateException(writer);
}
}
float ReadSingle()
{
switch (wireType)
{
case WireType.Fixed32:
{
int value = ReadInt32();
#if FEAT_SAFE
return(BitConverter.ToSingle(BitConverter.GetBytes(value), 0));
#else
return(*(float *)&value);
#endif
}
case WireType.Fixed64:
{
double value = ReadDouble();
float f = (float)value;
if (Helpers.IsInfinity(f) &&
!Helpers.IsInfinity(value))
{
throw AddErrorData(new OverflowException(), this);
}
return(f);
}
default:
throw CreateException();
}
}
public static void WriteDouble(double value, ProtoWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
WireType wireType = writer.wireType;
if (wireType == WireType.Fixed64)
{
ProtoWriter.WriteInt64(BitConverter.ToInt64(BitConverter.GetBytes(value), 0), writer);
return;
}
if (wireType != WireType.Fixed32)
{
throw ProtoWriter.CreateException(writer);
}
float value2 = (float)value;
if (Helpers.IsInfinity(value2) && !Helpers.IsInfinity(value))
{
throw new OverflowException();
}
ProtoWriter.WriteSingle(value2, writer);
}
public unsafe static void WriteDouble(double value, ProtoWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
switch (writer.wireType)
{
case WireType.Fixed32:
{
float value2 = (float)value;
if (Helpers.IsInfinity(value2) && !Helpers.IsInfinity(value))
{
throw new OverflowException();
}
WriteSingle(value2, writer);
break;
}
case WireType.Fixed64:
WriteInt64(*(long *)(&value), writer);
break;
default:
throw CreateException(writer);
}
}
public unsafe float ReadSingle()
{
switch (wireType)
{
case WireType.Fixed32:
{
int num3 = ReadInt32();
return(*(float *)(&num3));
}
case WireType.Fixed64:
{
double num = ReadDouble();
float num2 = (float)num;
if (Helpers.IsInfinity(num2) && !Helpers.IsInfinity(num))
{
throw AddErrorData(new OverflowException(), this);
}
return(num2);
}
default:
throw CreateWireTypeException();
}
}
public float ReadSingle()
{
WireType wireType = this.wireType;
if (wireType != WireType.Fixed64)
{
if (wireType != WireType.Fixed32)
{
throw this.CreateWireTypeException();
}
int num = this.ReadInt32();
return(BitConverter.ToSingle(BitConverter.GetBytes(num), 0));
}
else
{
double num2 = this.ReadDouble();
float num3 = (float)num2;
if (Helpers.IsInfinity(num3) && !Helpers.IsInfinity(num2))
{
throw ProtoReader.AddErrorData(new OverflowException(), this);
}
return(num3);
}
}