R Under development (unstable) (2023-12-13 r85679 ucrt) -- "Unsuffered Consequences"
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> 
>  library(aster)
> 
>  ifam <- fam.bernoulli()
> 
>  p <- seq(0.1, 0.9, 0.1)
>  theta <- log(p) - log(1 - p)
> 
>  zeroth <- double(length(p))
>  first <- double(length(p))
>  second <- double(length(p))
> 
>  for (i in seq(along = p)) {
+     zeroth[i] <- famfun(ifam, 0, theta[i])
+     first[i] <- famfun(ifam, 1, theta[i])
+     second[i] <- famfun(ifam, 2, theta[i])
+  }
> 
>  all.equal(zeroth, - log(1 - p))
[1] TRUE
>  all.equal(first, p)
[1] TRUE
>  all.equal(second, p * (1 - p))
[1] TRUE
> 
> 
> proc.time()
   user  system elapsed 
   0.14    0.09    0.18