R Under development (unstable) (2023-04-23 r84305 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2023 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64 (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> 
>  library(rcdd)
If you want correct answers, use rational arithmetic.
See the Warnings sections in help pages for
    functions that do computational geometry.
> 
>  d <- 4
>  qux <- makeH(- diag(d), rep(0, d), rep(1, d), 1)
> 
>  out <- scdd(qux)
>  print(out)
$output
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    0    1    0    0    0    1
[2,]    0    1    0    0    1    0
[3,]    0    1    0    1    0    0
[4,]    0    1    1    0    0    0
attr(,"representation")
[1] "V"

> 
>  out <- scdd(out$output)
>  print(out)
$output
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    0    1   -1   -1   -1    0
[2,]    0    0    1    0    0    0
[3,]    0    0    0    1    0    0
[4,]    0    0    0    0    1    0
[5,]    1   -1    1    1    1    1
attr(,"representation")
[1] "H"

> 
>  out <- scdd(out$output, roworder = "mincutoff")
>  print(out)
$output
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    0    1    1    0    0    0
[2,]    0    1    0    1    0    0
[3,]    0    1    0    0    1    0
[4,]    0    1    0    0    0    1
attr(,"representation")
[1] "V"

> 
>  ##########################
> 
>  quux <- addHeq(1:d, (d + 1) / 2, qux)
>  print(quux)
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    1  1.0   -1   -1   -1   -1
[2,]    0  0.0    1    0    0    0
[3,]    0  0.0    0    1    0    0
[4,]    0  0.0    0    0    1    0
[5,]    0  0.0    0    0    0    1
[6,]    1  2.5   -1   -2   -3   -4
attr(,"representation")
[1] "H"
> 
>  out <- scdd(quux)
>  print(out)
$output
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    0    1 0.50 0.00 0.00 0.50
[2,]    0    1 0.25 0.00 0.75 0.00
[3,]    0    1 0.00 0.50 0.50 0.00
[4,]    0    1 0.00 0.75 0.00 0.25
attr(,"representation")
[1] "V"

> 
>  ##########################
> 
>  quux <- addHin(c(1, -1, 0, 0), 0, qux)
>  print(quux)
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    1    1   -1   -1   -1   -1
[2,]    0    0    1    0    0    0
[3,]    0    0    0    1    0    0
[4,]    0    0    0    0    1    0
[5,]    0    0    0    0    0    1
[6,]    0    0   -1    1    0    0
attr(,"representation")
[1] "H"
> 
>  out <- scdd(quux)
>  print(out)
$output
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    0    1  0.5  0.5    0    0
[2,]    0    1  0.0  1.0    0    0
[3,]    0    1  0.0  0.0    1    0
[4,]    0    1  0.0  0.0    0    1
attr(,"representation")
[1] "V"

> 
>  ##########################
> 
>  quux <- qux[- 4, ]
>  print(quux)
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    1    1   -1   -1   -1   -1
[2,]    0    0    1    0    0    0
[3,]    0    0    0    1    0    0
[4,]    0    0    0    0    0    1
> 
>  out <- scdd(quux)
>  print(out)
$output
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    0    0    1    0   -1    0
[2,]    0    0    0    1   -1    0
[3,]    0    1    0    0    1    0
[4,]    0    0    0    0   -1    1
attr(,"representation")
[1] "V"

> 
>  ##########################
> 
>  quux <- makeH(a2 = rep(1, d), b2 = 1)
>  print(quux)
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    1    1   -1   -1   -1   -1
attr(,"representation")
[1] "H"
> 
>  out <- scdd(quux)
>  print(out)
$output
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    0    1    1    0    0    0
[2,]    1    0   -1    1    0    0
[3,]    1    0   -1    0    1    0
[4,]    1    0   -1    0    0    1
attr(,"representation")
[1] "V"

> 
>  ##########################
> 
>  quux <- qux[- 1, ]
>  print(quux)
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    0    0    1    0    0    0
[2,]    0    0    0    1    0    0
[3,]    0    0    0    0    1    0
[4,]    0    0    0    0    0    1
> 
>  out <- scdd(quux)
>  print(out)
$output
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    0    0    1    0    0    0
[2,]    0    0    0    1    0    0
[3,]    0    0    0    0    1    0
[4,]    0    0    0    0    0    1
attr(,"representation")
[1] "V"

> 
>  ##########################
> 
>  quux[ , 2] <- quux[ , 2] + 1
>  print(quux)
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    0    1    1    0    0    0
[2,]    0    1    0    1    0    0
[3,]    0    1    0    0    1    0
[4,]    0    1    0    0    0    1
> 
>  print(quux)
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    0    1    1    0    0    0
[2,]    0    1    0    1    0    0
[3,]    0    1    0    0    1    0
[4,]    0    1    0    0    0    1
>  out <- scdd(quux)
>  print(out)
$output
     [,1] [,2] [,3] [,4] [,5] [,6]
[1,]    0    1   -1   -1   -1   -1
[2,]    0    0    1    0    0    0
[3,]    0    0    0    1    0    0
[4,]    0    0    0    0    1    0
[5,]    0    0    0    0    0    1
attr(,"representation")
[1] "V"

> 
> 
> proc.time()
   user  system elapsed 
   0.28    0.04    0.28