Macro CPX_MAX_COMP_SLACK

Numeric meaning (double): To access the maximum violation of the complementary slackness conditions for the unscaled problem. This feature is available only for a barrier solution

Integer meaning: To access the lowest index of a row or column with the largest violation of the complementary slackness conditions. An index (such as *quality_p) strictly less than zero denotes row (-i-1) or the slack variable for that row, in the case of columns. This feature is available only for a barrier solution.