Low level interface function to the IBM ILOG CPLEX function
CPXpreslvwrite
. Consult the IBM ILOG CPLEX documentation for more
detailed information.
preslvWriteCPLEX(env, lp, fname)
An object of class "'>cplexPtr"
as returned by
openEnvCPLEX
. This is basically a pointer to an
IBM ILOG CPLEX environment.
An object of class "'>cplexPtr"
as returned by
initProbCPLEX
. This is basically a pointer to an
IBM ILOG CPLEX problem object.
Single character value giving the file name to write to.
If successful a dingle numeric value containing the objective value difference
between the original problem and the presolved problem, otherwise an instance
of class "'>cplexError"
.
Interface to the C function preslvWrite
which calls the CPLEX
function CPXpreslvwrite
.
The IBM ILOG CPLEX home page at https://www.ibm.com/support/knowledgecenter/SSSA5P.