; ABS ;--------------------------------------------------------------- ;! returns absolute value of argument ;# Verb POPS ;----------------------------------------------------------------------- ;; Copyright (C) 1995 ;; Associated Universities, Inc. Washington DC, USA. ;; ;; This program is free software; you can redistribute it and/or ;; modify it under the terms of the GNU General Public License as ;; published by the Free Software Foundation; either version 2 of ;; the License, or (at your option) any later version. ;; ;; This program is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;; GNU General Public License for more details. ;; ;; You should have received a copy of the GNU General Public ;; License along with this program; if not, write to the Free ;; Software Foundation, Inc., 675 Massachusetts Ave, Cambridge, ;; MA 02139, USA. ;; ;; Correspondence concerning AIPS should be addressed as follows: ;; Internet email: aipsmail@nrao.edu. ;; Postal address: AIPS Project Office ;; National Radio Astronomy Observatory ;; 520 Edgemont Road ;; Charlottesville, VA 22903-2475 USA ;----------------------------------------------------------------------- ;--------------------------------------------------------------- ABS LLLLLLLLLLLLUUUUUUUUUUUU CCCCCCCCCCCCCCCCCCCCCCCCCCCCC ABS: Function verb to return the absolute value of the argument NO adverbs. Instead, ABS takes one argument ABS (value) where value is any numeric scalar. ---------------------------------------------------------------- ABS Type: Verb (function: leaves results on the stack) Use: To obtain the absolute value of some numeric scalar (adverb, subscripted array, constant). ABS requires 1 immediate argument as ABS (value) where value is any numeric scalar. Examples: ABS (3.3) is 3.3 ABS (-3.3) is 3.3 Adverbs: none. ----------------------------------------------------------------