Missing reduced cost projection in postsolve

[ZedongPeng]

Description

It looks like the reduced cost projection is missing in the PSLP postsolve.

Example:
MPS file

NAME          AFIRO
ROWS
E  R09
E  R10
L  X05
L  X21
E  R12
E  R13
L  X17
L  X18
L  X19
L  X20
E  R19
E  R20
L  X27
L  X44
E  R22
E  R23
L  X40
L  X41
L  X42
L  X43
L  X45
L  X46
L  X47
L  X48
L  X49
L  X50
L  X51
N  COST
COLUMNS
    X01       X48               .301   R09                -1.
    X01       R10              -1.06   X05                 1.
    X02       X21                -1.   R09                 1.
    X02       COST               -.4
    X03       X46                -1.   R09                 1.
    X04       X50                 1.   R10                 1.
    X06       X49               .301   R12                -1.
    X06       R13              -1.06   X17                 1.
    X07       X49               .313   R12                -1.
    X07       R13              -1.06   X18                 1.
    X08       X49               .313   R12                -1.
    X08       R13               -.96   X19                 1.
    X09       X49               .326   R12                -1.
    X09       R13               -.86   X20                 1.
    X10       X45              2.364   X17                -1.
    X11       X45              2.386   X18                -1.
    X12       X45              2.408   X19                -1.
    X13       X45              2.429   X20                -1.
    X14       X21                1.4   R12                 1.
    X14       COST              -.32
    X15       X47                -1.   R12                 1.
    X16       X51                 1.   R13                 1.
    X22       X46               .109   R19                -1.
    X22       R20               -.43   X27                 1.
    X23       X44                -1.   R19                 1.
    X23       COST               -.6
    X24       X48                -1.   R19                 1.
    X25       X45                -1.   R19                 1.
    X26       X50                 1.   R20                 1.
    X28       X47               .109   R22               -.43
    X28       R23                 1.   X40                 1.
    X29       X47               .108   R22               -.43
    X29       R23                 1.   X41                 1.
    X30       X47               .108   R22               -.39
    X30       R23                 1.   X42                 1.
    X31       X47               .107   R22               -.37
    X31       R23                 1.   X43                 1.
    X32       X45              2.191   X40                -1.
    X33       X45              2.219   X41                -1.
    X34       X45              2.249   X42                -1.
    X35       X45              2.279   X43                -1.
    X36       X44                1.4   R23                -1.
    X36       COST              -.48
    X37       X49                -1.   R23                 1.
    X38       X51                 1.   R22                 1.
    X39       R23                 1.   COST               10.
RHS
    B         X50               310.   X51               300.
    B         X05                80.   X17                80.
    B         X27               500.   R23                44.
    B         X40               500.
ENDATA

Output

lb = 0, ub = inf, reduced cost = 0
lb = 0, ub = inf, reduced cost = 1.45132e-10
lb = 0, ub = inf, reduced cost = -4.61679e-11
lb = 0, ub = inf, reduced cost = 0
lb = 0, ub = inf, reduced cost = 8.63089e-11
lb = 0, ub = inf, reduced cost = 0.0682749
lb = 0, ub = inf, reduced cost = 0.0698924
lb = 0, ub = inf, reduced cost = 0.0708187
lb = 0, ub = inf, reduced cost = 0.113712
lb = 0, ub = inf, reduced cost = 0.0464954
lb = 0, ub = inf, reduced cost = 0.0459361
lb = 0, ub = inf, reduced cost = 0.0460199
lb = 0, ub = inf, reduced cost = 2.01578e-10
lb = 0, ub = inf, reduced cost = -1.95109e-10
lb = 0, ub = inf, reduced cost = 1.02642e-10
lb = 0, ub = inf, reduced cost = 0
lb = 0, ub = inf, reduced cost = -8.91027e-11
lb = 0, ub = inf, reduced cost = 2.04206e-11
lb = 0, ub = inf, reduced cost = 0.894756
lb = 0, ub = inf, reduced cost = 0
lb = 0, ub = inf, reduced cost = -7.94084e-11
lb = 0, ub = inf, reduced cost = 0.106247
lb = 0, ub = inf, reduced cost = 0.10818
lb = 0, ub = inf, reduced cost = 0.109623
lb = 0, ub = inf, reduced cost = 0.10539
lb = 0, ub = inf, reduced cost = 0.000490099
lb = 0, ub = inf, reduced cost = 1.19321e-08
lb = 0, ub = inf, reduced cost = 1.57596e-07
lb = 0, ub = inf, reduced cost = -1.38137e-10
lb = 0, ub = inf, reduced cost = -1.34085e-10
lb = 0, ub = inf, reduced cost = -1.27158e-10
lb = 0, ub = inf, reduced cost = 10