NAME: MAKEX PURPOSE: Make an array with specified start, end and step values. CATEGORY: CALLING SEQUENCE: x = makex(first, last, step) INPUTS: first, last = array start and end values. in step = step size between values. in KEYWORD PARAMETERS: OUTPUTS: x = resulting array. out COMMON BLOCKS: NOTES: MODIFICATION HISTORY: Ray Sterner, 7 Dec, 1984. Johns Hopkins University Applied Physics Laboratory. Added FIX 20 Dec, 1984 to avoid roundoff error. changed it to LONG 8 Mar, 1985 to avoid integer overflows. R. Sterner, 2011 Jul 29 --- Handled the case where xlo eq xhi. Copyright (C) 1984, 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.