$ ./tbb20121003_flow_graph_bug_v2.exe
sending number 0.00
sending number 1.50
sending number 3.00
sending number 4.50
sending number 6.00
received number 0.00
received number 2.25
sending number 7.50
received number 9.00
sending number 9.00
sending number 10.50
sending number 12.00
received number 20.25
sending number 13.50
sending number 15.00
received number 36.00
sending number 16.50
received number 56.25
received number 81.00
received number 110.25
received number 144.00
sending number 18.00
received number 182.25
sending number 19.50
received number 225.00
sending number 21.00
sending number 22.50
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sending number 27.00
received number 272.25
received number 324.00
sending number 28.50
sending number 30.00
received number 380.25
received number 441.00
sending number 31.50
received number 506.25
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received number 576.00
sending number 34.50
received number 650.25
sending number 36.00
received number 729.00
sending number 37.50
received number 812.25
sending number 39.00
received number 900.00
sending number 40.50
received number 992.25
received number 1089.00
received number 1190.25
received number 1296.00
received number 1406.25
received number 1521.00
received number 1640.25
$