ampl: option bpmpd_options 'feas1=1.0e-8 ordering=3 outlev=1';
See the the references given at the BPMPD Home Page for
further information on the meaning of these directives.
bargrow barrier growth bound
barmin minimum barrier threshold
barset barrier setup limit
bigbound limit on finite bounds and ranges
center centrality force
complimit improve if compl. < complim
comppar improve if compl. < comppar * average compl.
corstop correction stop factor
densgap density gap param
denslen nonzeros in "dense" columns
dinfs minimum dual infeasibility reduction
dslacklim dual slack variable limit
dudare maximum dual steplength
dumin minimum initial slack value
feas1 absolute primal feasibility tolerance
feas2 absolute dual feasibility tolerance
inftol
inibarr use initial barrier param.
lam minimum value of lambda
maxccorr number of maximum corrections
maxcorr number of maximum corrections
maxdense maximum dense column rate
maxiter iteration limit
maxref maximum refinements
maxsnz maximum nonzeros in one supernode
memadd increment (default 0) for scratch array length
memfac factor (default 2) for scratch array length
minccorr number of minimum corrections
mincorr number of minimum corrections
mindiff minimum norm diff. to exit scaling
minmax 1 = minimize, -1 = maximize
objno objective number: 0 = none, 1 (default) = first
objnorm scale objective maxnorm to this value
ordering pivot ordering for solving linear systems:
1 ==> minimum degree
2 ==> minimum fill (default)
3 ==> minimum fill in augmented system
outlev 1 = print iteration summary, etc.
parfile name of BPMPD parameter file to read now
pinfs minimum primal infeasibility reduction
prdare maximum primal steplength
presolv presolve methods: default = 511 (all but extended dual test)
prmin minimum initial variable value
psupnode primary supernode length
regularize 1 = introduce dummy ranges
rhsnorm scale RHS maxnorm to this value
safemet safe method: (1, 2, or 3); default -3
scfree
setlam 0 = default; 1, -1 = alternate values
slackadd
smethod starting method (1 or 2)
smethod1 scaling method before aggregator
smethod2 scaling method after aggregator
spasses1 maximum passes (< 128) before aggregator
spasses2 maximum passes (< 128) after aggregator
ssupnode secondary supernode length
stopcor correction stop parameter
supdens super-dense column length
tabs absolute pivot tolerance in first factorization
target trial steplength improvement
tfeas1 relative primal feasibility tolerance
tfeas2 relative dual feasibility tolerance
tfind pivot search loop count
tfixslack slack reset param.
tfixvar variable reset param.
tlarge large complementarity bound
topt1 relative duality gap tolerance
topt2 average complementarity gap tolerance
tpiv1 first threshold pivot tolerance
tpiv2 second threshold pivot tolerance
tplus relative addition tolerance
trabs absolute pivot tolerance during the algorithm
tresx primal residual tolerance
tresy dual residual tolerance
tsdir search dir. maximum norm tolerance
tsmall small complementarity bound
tzer relative zero tolerance
upmax maximum initial variable value
varadd
wantsol solution report without -AMPL: sum of
1 ==> write .sol file
2 ==> print primal variable values
4 ==> print dual variable values
8 ==> do not print solution message
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