R Under development (unstable) (2023-11-06 r85483 ucrt) -- "Unsuffered Consequences"
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> library(kappalab)
Loading required package: lpSolve
Loading required package: quadprog
Loading required package: kernlab
> 
> mu <- card.game(c(0,rnorm(6)))
> mu2 <- as.game(mu)
> a <- Mobius(mu2)
> stopifnot(abs(mu@data - as.card.game(as.game(mu))@data) < 1e-6)
> 
> f <- c(0.1,0.9,0.3,0.8,0.1,0.9)
> stopifnot(abs(Choquet.integral(mu,f) - Choquet.integral(mu2,f)) < 1e-6)
> stopifnot(abs(Sugeno.integral(mu,f) - Sugeno.integral(mu2,f)) < 1e-6)
> stopifnot(abs(Choquet.integral(a,f) - Choquet.integral(mu2,f)) < 1e-6)
> stopifnot(abs(Sugeno.integral(a,f) - Sugeno.integral(mu2,f)) < 1e-6)
> stopifnot(abs(Choquet.integral(a,f) - Choquet.integral(mu,f)) < 1e-6)
> stopifnot(abs(Sugeno.integral(a,f) - Sugeno.integral(mu,f)) < 1e-6)
> 
> f <- c(0.1,-0.9,-0.3,0.8,0.1,0.9)
> stopifnot(abs(Sipos.integral(mu,f) - Sipos.integral(mu2,f)) < 1e-6)
> stopifnot(abs(Sipos.integral(a,f) - Sipos.integral(mu2,f)) < 1e-6)
> stopifnot(abs(Sipos.integral(a,f) - Sipos.integral(mu,f)) < 1e-6)
> 
> proc.time()
   user  system elapsed 
   0.48    0.10    0.57