Bitwise operations: Difference between revisions
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(→{{header|C}}: added comment about missing rotations, required by task description) |
m (→{{header|D}}: remove incorrect; added shifts (not tested, hard time compiling gdc)) |
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=={{header|D}}== |
=={{header|D}}== |
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{{incorrect|D}} |
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<lang d>module bitwise ; |
<lang d>module bitwise ; |
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import std.stdio ; |
import std.stdio ; |
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writefln(" OR : %8b | %08b = %032b (%4d)", a, b, a | b, a | b) ; |
writefln(" OR : %8b | %08b = %032b (%4d)", a, b, a | b, a | b) ; |
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writefln("XOR : %8b ^ %08b = %032b (%4d)", a, b, a ^ b, a ^ b) ; |
writefln("XOR : %8b ^ %08b = %032b (%4d)", a, b, a ^ b, a ^ b) ; |
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writefln("LSH : %8b << %08b = %032b (%4d)", a, b, a << b, a << b) ; |
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writefln("RSH : %8b >> %08b = %032b (%4d)", a, b, a >> b, a >> b) ; |
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writefln("NOT : %8s ~ %08b = %032b (%4d)", "", a, ~a, ~a) ; |
writefln("NOT : %8s ~ %08b = %032b (%4d)", "", a, ~a, ~a) ; |
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} |
} |
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// shift and rotation are not available |
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void main() { |
void main() { |
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int a = 0b11111111 ; // bit literal 255 |
int a = 0b11111111 ; // bit literal 255 |
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int b = |
int b = 0b00000010 ; // bit literal 2 |
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testbit(a,b) ; |
testbit(a,b) ; |
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}</lang>Output: |
}</lang>Output: |
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<pre>Input: a = 255 , b = |
<pre>Input: a = 255 , b = 2 |
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AND : 11111111 & |
AND : 11111111 & 00000010 = 00000000000000000000000000000010 ( 2) |
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OR : 11111111 | |
OR : 11111111 | 00000010 = 00000000000000000000000011111111 ( 255) |
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XOR : 11111111 ^ |
XOR : 11111111 ^ 00000010 = 00000000000000000000000011111101 ( 253) |
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LSH : 11111111 << 00000010 = 00000000000000000000001111111100 (1020) |
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RSH : 11111111 >> 00000010 = 00000000000000000000000000111111 ( 63) |
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NOT : ~ 11111111 = 11111111111111111111111100000000 (-256)</pre> |
NOT : ~ 11111111 = 11111111111111111111111100000000 (-256)</pre> |
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