# Function: hwb4 # Used Library: MCF (gates: 11 quantum costs: 81) # This file has been taken from RevLib (www.revlib.org). .version 1.0 .numvars 4 .variables a b c d .inputs a b c d .outputs a b c d .constants ---- .garbage ---- .begin f4 c d a b f2 a b f3 d a c f2 a c f3 d a b f4 a c b d f3 a c d f3 b a d f2 a d f3 a b c f3 c b d .end