PGASetPTournamentProb(3) on Linux
The text 2c86d44f9f24, as Debian 3.1 (Sarge), Debian 3.0 (Woody), Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm), Debian 1.3 (Bo), Debian 1.2 (Rex), Debian 1.1 (Buzz) shipped it.
Specifies the probability that the string that wins a binary tournament will be selected. This function will have no effect unless PGA_SELECT_PTOURNAMENT was specified as the type of selection to use with PGASetSelectType. The default value is 0.6.