@Override
        public Traversal<Integer, Double> get_g_withSackX1X_injectX1X_repeatXsackXsumX_byXconstantX1XXX_timesX5X_emit_mathXsin__X_byXsackX() {
            return g.withSack(1).inject(1).repeat(__.sack((BiFunction) sum).by(__.constant(1))).times(5).emit().math("sin _").by(sack());
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/MathTest.java