library ieee; use ieee.electrical_systems.all; use ieee.math_real.all; entity inline_03a is end entity inline_03a; architecture test of inline_03a is -- code from book constant fp : real := 10.0; -- filter pole in Hertz constant wp : real := math_2_pi * fp; -- filter pole in rad/s constant tp : real := 1.0 / wp; -- filter time constant -- end code from book begin end architecture test;