NAME: bits2 PURPOSE: Given a byte or integer, return a vector of 8 or 16 values which are the binary representation of the value. INPUT: invalue - The byte or integer value to check OUTPUT: bitarr - The 8-element array with values set if the bit is set HISTORY: Written 19-dec-1996, RAS after BITS by M.Morrison but correcting negative integer problems and returning 32 byte arrays for longwords regardless of maximum value 17-feb-2001 loop index long. 9-apr-2009, jmm, replaced datatype call with size and case statement hacked from bitplot.pro