 
float eps=0  comparing within this range epsilon

string right=  the rsf file you will be comparing to

float right_f=  compare input (left) to a single float value (right)

string sign=  'eq'(default),'gt','ge','lq','lt','ne'
sign= 'eq' equalto ( == )
sign= 'gt' greaterthan ( > )
sign= 'ge' greaterthan or equalto ( >= )
sign= 'lq' lessthan or equalto ( <= )
sign= 'lt' lessthan ( < )
sign= 'ne' notequal ( != )
sign= 'and' the values are both nonzero ( && )
sign= 'or' one value is nonzero ( !! )

