Fri Apr 3 11:11:40 EST 1998 main.c: return solve_result_num to AMPL. Wed Jul 29 09:38:31 EDT 1998 README: add table of possible solve_result_num values. Wed May 5 11:08:29 EDT 1999 README, main.c: add iteration counts to solve message; if dual values may be wrong because of BPMPD's presolve phase, note this in the solve message and return solve_result_num = 1 (rather than 0) when BPMPD claims to have solved the problem.