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Description: 
 This function returns a non-zero value if the 
Moc
includes the specified cell.  
Synopsis 
 void astTestCell( AstMoc
this,
int order, int64_t npix, int parent )  
 Parameters: 
  this  
 Pointer to the Moc to be
modified.  
  order  
 The HEALPix order of the cell to test. Zero is returned if this is
higher than the maximum order allowed in the Moc (as given by its 
MaxOrder
attribute).  
 npix  
 The " npix" value identifying the cell to test (see the MOC
recommendation for more details).  
  parent  
 Indicates the value to return
if the tested cell is not included at the specified order, but a parent cell
(at a lower order) is included.  
    Returned Value 
  astTestCell()  
 One if
the specified cell is included in the Moc at the specified order, of (if "
parent" is non-zero) a parent cell is included in the Moc. Zero otherwise.  
  Copyright (C) 2021 East Asian Observatory
  -  ←Prev 
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 A Library for Handling
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Coordinate Systems
 in Astronomy
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