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/** Return the least power of two greater than or equal to the specified value. * * <p>Note that this function will return 1 when the argument is 0. * * @param x a long integer smaller than or equal to 2<sup>62</sup>. * @return the least power of two greater than or equal to the specified value. */ static long nextPowerOfTwo( long x ) { if ( x == 0 ) return 1; x--; x |= x >> 1; x |= x >> 2; x |= x >> 4; x |= x >> 8; x |= x >> 16; return ( x | x >> 32 ) + 1; }
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Snippet ID: | #1026146 |
Snippet name: | nextPowerOfTwo - probable duplicate of roundUpToPowerOfTwo |
Eternal ID of this version: | #1026146/3 |
Text MD5: | 4fb27bb074a11cfc65eb6338d7264020 |
Author: | stefan |
Category: | javax |
Type: | JavaX fragment (include) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2020-08-02 21:02:00 |
Source code size: | 507 bytes / 17 lines |
Pitched / IR pitched: | No / No |
Views / Downloads: | 218 / 322 |
Version history: | 2 change(s) |
Referenced in: | [show references] |