Question about bit operation

1/ I know I can use << to translate from number of index to the binary number.
But how can I translate from binary number to number of index? (e.g. 1024 translates to 10)
2/ How can I separate two bits in a number? (e.g. 144 translates to 128+16)
3/ How can I know that the number exists a required bit? (e.g. check 144 if there exists 4th bit)
Currently, I translate to binary number string first and then use indexOf and lastIndexOf methods to get the location of the bits.
3rd question I use number==(number|10000)
Is it any other more efficient methods to achieve that?
Thanks.

nwoedf wrote:
1/ I know I can use << to translate from number of index to the binary number.
But how can I translate from binary number to number of index? (e.g. 1024 translates to 10)Convert the number to a binary String and go through it keeping track of the 1 bit positions.
You can use Integer.toString(1024, 2); to convert for example.
2/ How can I separate two bits in a number? (e.g. 144 translates to 128+16)Same as the first one, then you just need to go through the bits again and translate the indices into the values.
3/ How can I know that the number exists a required bit? (e.g. check 144 if there exists 4th bit)The & operator can be used for that for example.
Currently, I translate to binary number string first and then use indexOf and lastIndexOf methods to get the location of the bits.
3rd question I use number==(number|10000)
Is it any other more efficient methods to achieve that?Why, is your computer not doing this fast enough?

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What you're looking at is the workload on some distributed computing task like folding@home, right?
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and this is the output:
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I tried to use the "strictfp" modifier, but the
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The ID3v2 tag size is encoded with four bytes where
the most significant bit (bit 7) is set to zero in
every byte, making a total of 28 bits.
The zeroed bits are ignored, so a 257 bytes long
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0x00 0x00 0x02 0x01
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0000 0000 0000 0000 0000 0010 0000 0001
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AxelRWolfe wrote:
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Wow. Thanks for your helpful reply.
Sounds like I have all I need at the moment and just need to learn to use it to it's full potential first.
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A: Ultrabeat seems inspiring and useful with the built in oscillators, pattern sequencer, and user interface. I currently have Battery 3 and have been attempting to utilize it well with Live but I can't stand not having a drum map editor to sequence it. I asked for a feature to have the option to choose either a drum map editor or standard piano map editor per midi track. This would be a cozy workflow helper for me. Maybe Live will listen and add this in 7.
B: Surround sound capabilities. I have the Presonus FireStudio and MSR remote so I plan to add rear, center and sub channels in the semi-near future. This may be coming in Live 7 also!
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Bottom line, I should wait a few months and see what Live 7 offers before i make a final decision.
Thanks for your reply!
I still wouldn't mind more opinions either.

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