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Fix the NOT gate

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pjht 2020-05-08 07:17:08 -05:00
parent f98142f387
commit 5b697571f9
1 changed files with 1 additions and 8 deletions
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9
lib/rcircuit/not.rb
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@ -1,13 +1,6 @@
# Represents a NOT gate # Represents a NOT gate
class NotGate < Gate class NotGate < Gate
# (see Gate#initialize)
def initialize(*args)
@outmask=0
super
@outmask=(2**@width)-1
end
# Add a port to the gate. As this is a NOT gate, there may only be one port. # Add a port to the gate. As this is a NOT gate, there may only be one port.
# @param (see Gate#add_input) # @param (see Gate#add_input)
# @return [void] # @return [void]
@ -22,6 +15,6 @@ class NotGate < Gate
# Calculates NOT of input and sets output port to that value. # Calculates NOT of input and sets output port to that value.
# @param vals [Array<Integer>] List of values for connected ports. # @param vals [Array<Integer>] List of values for connected ports.
def inputs_changed(vals) def inputs_changed(vals)
out.setval((~vals[0]) & @outmask) out.setval((~vals[0]) & ((2**@width)-1))
end end
end end