On Aug 12, 2009, at 12:09 AM, Igor Peshansky wrote:
> You neglected to mention whether you're using the C++ backend or the
> Java
> one.
Java
> Regardless, I think I've found your problem:
>
>> static def getDouble( reader: FileReader ) : Double throws
> IOException {
>> val byte0 = reader.read(); Console.OUT.printf(" %X\t", byte0);
> ^^^^^^^^^
> The inferred type of byte0 is Int (since that's what reader.read()
> returns).
Reader class method read() appears to read a Byte
InputStream class method read() appears to read an Int
InputStreamReader class method read() appears to read a Byte
With no documentation in the source code things become rather
perplexing.
>
>> val ret1 = ( ((byte7&0xff)<<56) | ((byte6&0xff)<<48) |
> ((byte5&0xff)<<40) | ((byte4 & 0xff)<<32) );
> ^^^^^^^^
> Ditto for the inferred type of ret1 (since the whole expression is
> using
> Ints).
>
>> return Double.fromLongBits((ret0|ret1) as Long);
> ^^^^^^^
> This cast comes too late - the value has already been truncated by
> this
> point.
>
> I think the solution is to explicitly specify the type of byte0
> through
> byte7 as Long, like this:
>
>> val byte0: Long = reader.read(); Console.OUT.printf(" %X\t",
> byte0);
>
> etc.
This seems to fix my problem. Thanks!
>
> Any reason you are not using the Marshal approach I suggested earlier?
The Marshal class appears to read MSB. My file is LSB.
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