min() and max() work only in the range of Integer values

Following examples show the problem. The Min and Max steps are seeded with Integer.MIN_VALUE and Integer.MAX_VALUE. This is not high/low enough for long and double values.

g.V(0).values().inject(9999999999).min()

returns 2147483647 instead of 9999999999.

g.V(0).values().inject(-9999999999).max()

returns -2147483648 instead of -9999999999.

Extremes like -Double.MAX_VALUE and Double.MAX_VALUE should solve the problem, but I see some casting issues in the MinGlobalStep, MaxGlobalStep, MinLocalStep, MaxLocalStep.

Can anybody help with this?