init producer.
init consumer.
init filter_0: filter coefficient = -1.0
init filter_1: filter coefficient = +0.1
init filter_2: filter coefficient = -0.1
producer: samples = { -9.0, +4.0, -2.0, +0.0, -3.0 }
producer: Write sample[00]: -9.0000
producer: Write sample[01]: +4.0000
filter_0: inA: -9.0000, inB: 0.0000, outA = outB: -9.0000
filter_1: inA: -9.0000, inB: 0.0000, outA: -9.0000, outB: -0.9000
filter_2: inA: -9.0000, inB: 0.0000, outA: -9.0000, outB: 0.9000
producer: Write sample[02]: -2.0000
consumer:                             Read sample[00]: -9.0000
filter_0: inA: 4.0000, inB: -0.9000, outA = outB: 3.1000
filter_1: inA: 3.1000, inB: 0.9000, outA: 3.1000, outB: 1.2100
filter_2: inA: 3.1000, inB: 0.0000, outA: 3.1000, outB: -0.3100
producer: Write sample[03]: +0.0000
consumer:                             Read sample[01]: +3.1000
filter_0: inA: -2.0000, inB: 1.2100, outA = outB: -0.7900
filter_1: inA: -0.7900, inB: -0.3100, outA: -0.7900, outB: -0.3890
filter_2: inA: -0.7900, inB: 0.0000, outA: -0.7900, outB: 0.0790
producer: Write sample[04]: -3.0000
consumer:                             Read sample[02]: -0.7900
filter_0: inA: 0.0000, inB: -0.3890, outA = outB: -0.3890
filter_1: inA: -0.3890, inB: 0.0790, outA: -0.3890, outB: 0.0401
filter_2: inA: -0.3890, inB: 0.0000, outA: -0.3890, outB: 0.0389
consumer:                             Read sample[03]: -0.3890
filter_0: inA: -3.0000, inB: 0.0401, outA = outB: -2.9599
filter_1: inA: -2.9599, inB: 0.0389, outA: -2.9599, outB: -0.2571
filter_2: inA: -2.9599, inB: 0.0000, outA: -2.9599, outB: 0.2960
consumer:                             Read sample[04]: -2.9599