Difference between revisions of "Bit32.lrotate"
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(Created page with "__NOTOC__ '''Available since:''' Gideros 2022.3<br/> '''Class:''' bit32<br/> === Description === Returns a number after its bits have been rotated to the left by a given...") |
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=== Description === | === Description === | ||
Returns a number after its bits have been rotated to the left by a given number of times. | Returns a number after its bits have been rotated to the left by a given number of times. | ||
| − | < | + | <syntaxhighlight lang="lua"> |
(number) = bit32.lrotate(x,disp) | (number) = bit32.lrotate(x,disp) | ||
</source> | </source> | ||
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The number disp may be any representable integer. For any valid displacement, the following identity holds: | The number disp may be any representable integer. For any valid displacement, the following identity holds: | ||
| − | < | + | <syntaxhighlight lang="lua"> |
assert(bit32.lrotate(x, disp) == bit32.lrotate(x, disp % 32)) | assert(bit32.lrotate(x, disp) == bit32.lrotate(x, disp % 32)) | ||
</source> | </source> | ||
Revision as of 15:26, 13 July 2023
Available since: Gideros 2022.3
Class: bit32
Description
Returns a number after its bits have been rotated to the left by a given number of times. <syntaxhighlight lang="lua"> (number) = bit32.lrotate(x,disp) </source>
Returns the number x rotated disp bits to the left.
The number disp may be any representable integer. For any valid displacement, the following identity holds: <syntaxhighlight lang="lua"> assert(bit32.lrotate(x, disp) == bit32.lrotate(x, disp % 32)) </source>
Negative displacements rotate to the right
Parameters
x: (number) value
disp: (number) displacement
Return values
Returns (number) result after bits left rotation
See also
