Hello, In terms of performance and raw speed, is there any disadvantage of using "long long int" instead of "long int", "long double" instead of "double" on 32-bit machine ? Are there any other disadvantage that I should consider? Thank you. RDB -- Reuben D. Budiardja Dept. Physics and Astronomy University of Tennessee, Knoxville, TN - : send the line "unsubscribe linux-c-programming" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html