Crate soplex_sys 

Functions

SoPlex_addColRational^⚠

adds a single rational column

SoPlex_addColReal^⚠

adds a single (floating point) column

SoPlex_addRowRational^⚠

adds a single rational row

SoPlex_addRowReal^⚠

adds a single (floating point) row

SoPlex_basisColStatus^⚠

returns status of column 0 -> column is set to its upper bound 1 -> column is set to its lower bound 2 -> column is fixed to its identical bounds 3 -> column is free and fixed to zero 4 -> column is basic 5 -> nothing known about basis status

SoPlex_basisRowStatus^⚠

returns status of row 0 -> row is set to its upper bound 1 -> row is set to its lower bound 2 -> row is fixed to its identical bounds 4 -> row is basic 5 -> nothing known about basis status

SoPlex_changeBoundsReal^⚠

changes vectors of column bounds to lb and ub

SoPlex_changeLhsRational^⚠

changes rational left-hand side vector for constraints to lhs

SoPlex_changeLhsReal^⚠

changes left-hand side vector for constraints to lhs

SoPlex_changeLowerReal^⚠

changes vector of lower bounds to lb

SoPlex_changeObjRational^⚠

changes rational objective function vector to obj

SoPlex_changeObjReal^⚠

changes objective function vector to obj

SoPlex_changeRangeReal^⚠

changes both sides for constraints to given lhs and rhs

SoPlex_changeRhsRational^⚠

changes rational right-hand side vector for constraints to rhs

SoPlex_changeRhsReal^⚠

changes right-hand side vector for constraints to rhs

SoPlex_changeRowLhsReal^⚠

changes left-hand side of a row to lhs

SoPlex_changeRowRangeReal^⚠

changes both sides of a row to given lhs and rhs

SoPlex_changeRowRhsReal^⚠

changes right-hand side of a row to rhs

SoPlex_changeUpperReal^⚠

changes vector of upper bounds to ub

SoPlex_changeVarBoundsRational^⚠

changes rational bounds of a column to lbnum/lbdenom and ubnum/ubdenom

SoPlex_changeVarBoundsReal^⚠

changes bounds of a column to lb and ub

SoPlex_changeVarLowerReal^⚠

changes lower bound of column to lb

SoPlex_changeVarUpperReal^⚠

changes upper bound of column to ub

SoPlex_clearLPReal^⚠

clears the (floating point) LP

SoPlex_create^⚠

creates new SoPlex struct

SoPlex_free^⚠

frees SoPlex struct

SoPlex_getDualReal^⚠

gets dual solution

SoPlex_getIntParam^⚠

returns value of integer parameter

SoPlex_getLowerReal^⚠

gets lower bound vector of columns into lb

SoPlex_getNumIterations^⚠

returns the number of iteration in last call to solve

SoPlex_getObjReal^⚠

gets objective vector into obj

SoPlex_getPrimalRationalString^⚠

Returns rational primal solution in a char pointer. The caller needs to ensure the char array is freed.

SoPlex_getPrimalReal^⚠

gets primal solution

SoPlex_getRedCostReal^⚠

gets reduced cost vector

SoPlex_getRowBoundsRational^⚠

get rational lower and upper bounds of row i

SoPlex_getRowBoundsReal^⚠

get lower and upper bounds of row i

SoPlex_getRowVectorRational^⚠

get non-zero entries and indices of rational row i

SoPlex_getRowVectorReal^⚠

get non-zero entries and indices of row i

SoPlex_getSolvingTime^⚠

returns the time spent in last call to solve

SoPlex_getStatus^⚠

returns the current solver status

SoPlex_getUpperReal^⚠

gets upper bound vector of columns into ub

SoPlex_numCols^⚠

returns number of columns

SoPlex_numRows^⚠

returns number of rows

SoPlex_objValueRationalString^⚠

Returns the rational objective value (as a string) if a primal solution is available. The caller needs to ensure the char array is freed.

SoPlex_objValueReal^⚠

returns the objective value if a primal solution is available

SoPlex_optimize^⚠

optimizes the given LP and returns solver status

SoPlex_readBasisFile^⚠

reads basis information from filename and returns true on success

SoPlex_readInstanceFile^⚠

reads LP file in LP or MPS format according to READMODE parameter; returns true on success

SoPlex_readSettingsFile^⚠

reads settings from filename and returns true on success

SoPlex_removeColReal^⚠

removes a single (floating point) column

SoPlex_removeRowReal^⚠

removes a single (floating point) row

SoPlex_setBoolParam^⚠

sets boolean parameter value

SoPlex_setIntParam^⚠

sets integer parameter value

SoPlex_setRational^⚠

enables rational solving mode

SoPlex_setRealParam^⚠

sets real parameter value

SoPlex_writeFileReal^⚠

write LP to file; LP or MPS format is chosen from the extension in filename