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new:bits [2018/02/19 12:28]
korshun
new:bits [2018/02/19 12:29] (current)
korshun
Line 5: Line 5:
 ===== Powers of two ===== ===== Powers of two =====
  
-  * ''int npo2(int x)'' -- returns the lowest power of 2 greater or equal to X.+  * ''int npo2(int x)'' -- returns the next lowest power of 2 greater or equal to X.
   * ''int bitlog2(int x)'' -- returns the index of the highest used bit, aka integer binary logarithm. Useful to convert flags like ''1<<8 = 256'' back into ''8''.   * ''int bitlog2(int x)'' -- returns the index of the highest used bit, aka integer binary logarithm. Useful to convert flags like ''1<<8 = 256'' back into ''8''.
  
new/bits.txt ยท Last modified: 2018/02/19 12:29 by korshun