R Under development (unstable) (2023-12-04 r85659 ucrt) -- "Unsuffered Consequences"
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> ## Copyright (C) 2018 Marius Hofert, Ivan Kojadinovic, Martin Maechler, and Jun Yan
> ##
> ## This program is free software; you can redistribute it and/or modify it under
> ## the terms of the GNU General Public License as published by the Free Software
> ## Foundation; either version 3 of the License, or (at your option) any later
> ## version.
> ##
> ## This program is distributed in the hope that it will be useful, but WITHOUT
> ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
> ## FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
> ## details.
> ##
> ## You should have received a copy of the GNU General Public License along with
> ## this program; if not, see <http://www.gnu.org/licenses/>.
> 
> ### Miscellaneous regression tests for 'copula' package
> ### ------------------------------      ======
> 
> require(copula)
Loading required package: copula
> source(system.file("Rsource", "utils.R",     package="copula", mustWork=TRUE))
Loading required package: tools
> ##-> assertError(), assert.EQ(), ... showProc.time()
> 
> if(!dev.interactive(orNone=TRUE)) pdf("misc-tests_copula.pdf")
> 
> 
> ## Testing  chiPlot() and Kplot()  --> ../R/graphics.R
> ##          -------       -----        ~~~~~~~~~~~~~~~
> X <- cbind(c(-2.224, -1.538, -0.807, 0.024, 0.052,  1.324),
+            c(0.431,   1.035,  0.586, 1.465, 1.115, -0.847))
> ## For now,  ":::" because they are not exported yet:
> chiP <- copula:::chiPlot(X, main = quote(list(chiPlot(X), X %in% R^{6 %*% 2})))
> Kplt <- copula:::Kplot  (X, main = "Kplot(X)")
> ##
> stopifnot(all.equal(Kplt[,"H"], c(0, 0, 2, 2, 6, 6)/10),
+           all.equal(Kplt[,"W"], tolerance = 5e-6,
+                     c(0.0383659, 0.0924076, 0.163329, 0.255939, 0.381122, 0.568837)),
+           all.equal(chiP, tolerance = 2e-6,
+                     cbind(H= c(0, 0.2, 0.2, 0.6, 0.6, 0),
+                           F= c(0,   0.2, 0.4, 0.6, 0.8, 1),
+                           G= c(0.2, 0.6, 0.4, 1,   0.8, 0),
+                           chi=c(NaN, 0.408248, 1/6, NaN, -0.25, NaN),
+                           lambda=c(1, -0.36, 0.04, 1, 0.36, -1))),
+           TRUE)
> 
> 
> ## Testing  A(<khoudraj>) -- failed after svn c1770, copula book, ch.3:
> kg <- khoudrajiCopula(copula2 = gumbelCopula(4), shapes = c(0.2, 0.95))
> Akg <- A(kg, w = (0:8)/8)
> stopifnot(Akg[c(1,9)] == 1,
+     all.equal(Akg, tolerance = 6e-6,
+ 	      c(1, 0.88987, 0.85893, 0.87634, 0.90023, 0.92504, 0.95, 0.975, 1))
+     )
> 
> if(!copula:::doExtras())
+     q("no")
> proc.time()
   user  system elapsed 
   1.04    0.17    1.21