public int sample()

in commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/MarsagliaTsangWangDiscreteSampler.java [522:540]

• 16 lines of code
• 5 McCabe index (conditional complexity)

        public int sample() {
            final int j = rng.nextInt() >>> 2;
            if (j < t1) {
                return table1[j >>> 24];
            }
            if (j < t2) {
                return table2[(j - t1) >>> 18];
            }
            if (j < t3) {
                return table3[(j - t2) >>> 12];
            }
            if (j < t4) {
                return table4[(j - t3) >>> 6];
            }
            // Note the tables are filled on the assumption that the sum of the probabilities.
            // is >=2^30. If this is not true then the final table table5 will be smaller by the
            // difference. So the tables *must* be constructed correctly.
            return table5[j - t4];
        }