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MGH_TIME_EXTEND

MGH_TIME_EXTEND

Name


  MGH_TIME_EXTEND

Purpose


  Determine the time taken to accumulate a set of elements of
  similar data type, then save the results to an array.
  POSITIONAL PARAMATERS:
  option (input, scalar integer, optional):
    Specify the method:
      0 - Array, extended at every step. (Default).
      1 - MGH_Vector
      2 - Array with lazy extension
      3 - MGH_Queue
      4 - List class/function, introduced in IDL 8.
  KEYWORD PARAMATERS:
  ITEM (input, scalar of any type):
    The value of the items to be accumulated (all the same).
  NUM (input, scalar integer):
    The number of items to be accumulated.
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  This software is provided subject to the following conditions:
  1. NIWA makes no representations or warranties regarding the
    accuracy of the software, the use to which the software may
    be put or the results to be obtained from the use of the
    software. Accordingly NIWA accepts no liability for any loss
    or damage (whether direct of indirect) incurred by any person
    through the use of or reliance on the software.
  2. NIWA is to be acknowledged as the original author of the
    software where the software is used or presented in any form.
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Modification History


  Mark Hadfield, 2000-06:
    Written as MGH_TEST_EXTEND.
  Mark Hadfield, 2010-11:
    - Moved into the Motley library and renamed MGH_TIME_EXTEND.
    - Added option 4: the IDL 8 List object.
    - Fixed a bug in option 2: array type was hard-coded as string.
  Mark Hadfield, 2011-07:
    - Increased default number of items to 20000.



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