Name

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      PMOD

Purpose

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      Find the positive modulo value of a number.

Category

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Calling Sequence

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      out = pmod(in,m)

Inputs

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      in = input value (may be an array). in
      m = divisor. in

Keyword Parameters

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Outputs

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      out = Remainder of in divided by m. out

Common Blocks

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Notes

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      Notes: output is always in the range 0 to m-1.
        To see the difference between mod and pmod try:
        plot,(indgen(500)-250) mod 50, yran=[-60,60]
        plot,pmod(indgen(500)-250, 50), yran=[-60,60]

Modification History

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      R. Sterner, 1996 May 12
      R. Sterner, 2010 May 04 --- Converted arrays from () to [].
  Copyright (C) 1996, Johns Hopkins University/Applied Physics Laboratory
  This software may be used, copied, or redistributed as long as it is not
  sold and this copyright notice is reproduced on each copy made. This
  routine is provided as is without any express or implied warranties
  whatsoever. Other limitations apply as described in the file disclaimer.txt.