AROUAustralian Rail Operations Unit
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algorithm AROU in Leydold [2000a], or UTDR in Hormann [1995] that uses a semiempirical rule to construct a hat function).
We have compared our algorithms to a variant of the ratio-of-uniforms method AROU [Leydold 2000al, transformed density rejection TDR [Gilks and Wild 1992], and UTDR, a variant of TDR with three almost optimal points of contact [Hormann 1995].
The setup time for SROUC (and STDR) is much smaller than for UTDR, TDR, and AROU.