analysis/

mg_trunc.pro

includes main-level program

top source mg_trunc

result = mg_trunc(x)

Truncate argument towards 0.0, i.e., takes the FLOOR of positive values and the CEIL of negative values.

Return value

array of same type as argument

Parameters

x in required type=float/double: array containing values to truncate

Examples

Try the main-level program at the end of this file. It does:

  IDL> print, mg_trunc([1.2, -1.2, 0.0])
             1          -1           0
  IDL> print, floor([1.2, -1.2, 0.0])
             1          -2           0
  IDL> print, ceil([1.2, -1.2, 0.0])
             2          -1           0

File attributes

Modification date:	Tue Sep 13 16:50:08 2011
Lines:	42
Docformat:	rst rst

Personal library of Michael Galloy
Contact me if you have enhancement requests or bug fixes.

idllib