qiskit/circuit/instructionset.py
def c_if(self, classical, val):
        """Add classical control register to all instructions."""
        for gate in self.instructions:
            gate.c_if(classical, val)
        return self
def c_if(self, classical, val):
        for gate in self.instructions:
            gate.c_if(classical, val)
        return self
def c_if ( self , classical , val ) : for gate in self . instructions : gate . c_if ( classical , val ) return self
Add classical control register to all instructions.
Add classical control register to all instructions .