int GRBgetjsonsolution ( GRBmodel model,
    char** buffP )

After a call to optimize, this method returns the resulting solution and related model attributes as a JSON string. Please refer to the JSON solution format section for details.

Return value:

A non-zero return value indicates that there was a problem generating the JSON solution string. Refer to the Error Code table for a list of possible return values.


model: Model from which to query its current JSON solution string.

buffP: The location in which the pointer to the newly created JSON string should be placed.

Important note:

On Windows, the string returned in buffP is allocated in a different heap from the calling program. You must call GRBfree to free it.