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Text File  |  1997-06-03  |  617 b   |  20 lines
  1. /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  2.  *                                                                     *
  3.  * Copyright (c) 1997 MathSoft, Inc. All Rights Reserved.              *
  4.  *                                                                     *
  5.  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  6. /*
  7.  *  Function:  log2 ( x )
  8.  *
  9.  *  Description:
  10.  *      log2() calculates the base 2 logarithm of x
  11.  *
  12.  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  13.  
  14. function log2 ( x )
  15.  
  16.   log2 = ln(x) ./ ln(2);
  17.  
  18. end;
  19.  
  20.