Description
The routine CPXfree() is used to free pointers that are allocated and returned by the routines CPXmpsread(), CPXlpread(), CPXmpsmread(), CPXlpmread(), CPXmpsqread() and CPXlpqread(). It can also be used to free pointers returned by the functions CPXmalloc() and CPXrealloc(). It should not be used to free pointers returned by the system malloc() routines.Return Value
This routine returns no result.Synopsis
void CPXfree (void *ptr);
void *ptrA pointer to a block of memory allocated by CPLEX that should be returned to the system heap.
CPXfree (matval);