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lp_var_get(+Handle, +Var, ++What, -Value)
Obtain information for an individual solver problem variable Var.
- Handle
- Handle to a solver state
- Var
- A solver problem variable for Handle
- What
- Specification for information wanted (atom)
- Value
- Returned value of What
Description
Retrieve information about solver state and results related to a
particular variable or constraint, for the solver state represented by
Handle. Fails if no solution has been computed yet. What can take the
same values as those in eplex_var_get/3.
Exceptions
- (4) instantiation fault
- Handle is not instantiated.
- (5) type error
- Handle is not a compound term.
- (6) out of range
- What is not a valid value.
- (6) out of range
- Var is not a problem variable for Handle.
- (6) out of range
- What is not unavailable; the information was not requested at solver setup.
See Also
eplex_var_get / 3