arr = [-0.1, 0.0, 0.5, 0.8, 1.2]

dist = [0.1, 0.5, 0.3, 0.4] # must be >0.25 for all elements

good_array = [-0.25, 0.0, 0.5, 0.8, 1.2] # all elements distance > threshold

[-0.2, 0.05, 0.5, 0.8, 1.2]

[-0.1, 0.15, 0.5, 0.8, 1.2]

[-0.3, 0.15, 0.2, 0.7] # modify arr[1] rather than arr[2]