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Precision of the approximation and computing speed\nboth substantially outperform various CRAN packages to date.\nBenchmarks are detailed in function examples. A simple\nheuristic algorithm is additionally designed to optimize the\njoint distribution in the post-simulation stage. The heuristic\ndemonstrated good potential of achieving the same level of\nprecision of approximation without the enhanced\nIman-Conover-Ruscio-Kaczetow. 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