def add_truth(inputs):
'''
Split inputs into two and return sum that is half length.
First is carry.
For the output, last bit is carry
'''
length = len(inputs)
c = inputs[0]
half = (length-1)/2
inputa = inputs[0:half]
inputb = inputs[half:length]
a = get_uint(inputa)
b = get_uint(inputb)
result = a+b
return get_bools(result, half+1)
def decoder_truth(inputs):
'''
convert inputs to a number.
'''
number = get_uint(inputs)
outputs = [False]*int(math.pow(2, len(inputs)))
outputs[number] = True
return outputs
def mux_truth(inputs):
'''
inputs, then selects
'''
number_selects = get_selects(len(inputs))
number_ins = len(inputs) - number_selects
#print "num selects: {0}, inputs: {1}".format(number_selects,inputs)
ins = inputs[0:number_ins]
selects = inputs[number_ins:]
select_index = get_uint(selects)
#print "select: ", select_index
return [ins[select_index]]
