The Design of the ILOG CPLEX Callable Library

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Figure 7.1 shows a picture of the ILOG CPLEX world. The ILOG CPLEX Callable Library together with the ILOG CPLEX internals make up the ILOG CPLEX core. The core becomes associated with your application through Callable Library routines. The ILOG CPLEX environment and all problem-defining data are established inside the ILOG CPLEX core.

• optimization and result routines for defining a problem, optimizing it, and getting the results;
• utility routines for addressing application programming matters;
• problem modification routines to change a problem after it has been created within the ILOG CPLEX internals;
• problem query routines to access information about a problem after it has been created;
• file reading and writing routines to move information from the file system into your application or out of your application to the file system;
• parameter setting and query routines to access and modify the values of control parameters maintained by ILOG CPLEX.