Bitwise operations: Difference between revisions
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(→{{header|J}}: Segregated bitwise and rotation/shift functions. Simplified verb 'combine'.) |
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=={{header|J}}== |
=={{header|J}}== |
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Actual |
Actual calculations occur in<tt> bwo</tt> and <tt> brs</tt>. Other definitions provide formatting. |
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bwo =: 17 b. , 23 b. , 22 b. , 28 b. |
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brs =: 33 b.~ , (33 b.~ -), (34 b.~ -), 32 b.~ , (32 b.~ -) |
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boolf =: title"_ combine bwo, brs |
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combine =: ,. ":@|:@,: |
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t =. >;._2 'Bitwise x AND y: |Bitwise x OR y:|Bitwise x XOR y:|Bitwise NOT-x:|' |
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t =. >;._2 'Bitwise x AND y: |Bitwise x OR y:|Bitwise x XOR y:|Bitwise NOT-x:|' |
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title=: t,>;._2'Left shift:|Right shift:|Right signed shift:|Left rotate:|Right rotate:|' |
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f=: (32#2)&#: { '.x'"_ |
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Examples of execution, with output: |
Examples of execution, with output: |
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255 bwo 5 NB. numeric output of bitwise operations |
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5 255 250 _256 |
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1 _251 _252 254 _8160 134217720 _8 _8129 268435448 |
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255 brs 5 NB. numeric output of boolean rotation and shift operations |
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8160 7 7 8160 _134217721 |
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Bitwise x AND y: 1 |
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255 boolf 5 NB. formatted text with English titling |
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Bitwise x OR y: _251 |
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Bitwise x |
Bitwise x AND y: 5 |
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Bitwise |
Bitwise x OR y: 255 |
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Bitwise x XOR y: 250 |
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Bitwise NOT-x: _256 |
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Left shift: 8160 |
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Right shift: 7 |
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Right |
Right signed shift: 7 |
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Left rotate: 8160 |
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Right rotate: _134217721 |
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f _255 (bwo, brs) 5 NB. 32-bit diagrams |
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...............................x |
...............................x |
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xxxxxxxxxxxxxxxxxxxxxxxx.....x.x |
xxxxxxxxxxxxxxxxxxxxxxxx.....x.x |
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