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It is possible that Schrage's Method may be too slow for some real-time
applications. In this case SUB3 is an alternative. It is identical in
structure to SUB1, but uses DOUBLE PRECISION for the internal arithmetic.
It depends on the fact that floating point arithmetic precisely emulates
integer arithmetic if all numbers can be kept inthe mantissa. On any
particular machine, SUB3 should be first tested against SUB2 for
identity of result.

** Next:** Uniform distribution
** Up:** GENERATING RANDOM SEQUENCES
** Previous:** Schrage's method
Stanford Exploration Project

11/18/1997