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 A Library for Handling
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Description: 
 This function
permutes the order in which a 
Frame’ s axes occur.  
Synopsis 
 void astPermAxes( AstFrame
this,
const int perm[] )  
 Parameters: 
  this  
 Pointer to the Frame.  
  perm  
 An array with
one element for each axis of the Frame (
Naxes attribute). This should list the axes in
their new order, using the original axis numbering (which starts at 1 for the first
axis).  
  Notes: 
 
- 
Only genuine permutations of the axis order are permitted, so each axis must be
referenced exactly once in the "perm"array.
 
- 
If successive axis permutations are applied to a Frame, then the effects are
cumulative.   
  Copyright (C) 2021 East Asian Observatory
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 A Library for Handling
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