Help for MEDVAL

PURPOSE:

MEDVAL accepts a VICAR image and estimates the median DN value by
binning DNs.

EXECUTION:

Example
	MEDVAL INP=A VAL=REALVAL

OPERATION:
BYTE, HALF, FULL, REAL, and DOUB INP formats are supported. Output value is REAL.

HISTORY:

  2018-07-03 W. Bunch - Initial version.
  2020-12-21 W. Bunch - IDS-8686 - updated malloc include to stdlib.

PARAMETERS: