R Under development (unstable) (2023-11-08 r85496 ucrt) -- "Unsuffered Consequences"
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> ##
> ##  f n o r m  Test suite
> ##
> 
> 
> fnorm <- pracma::fnorm
> 
> identical(fnorm(log, sqrt, 1, 2, p = Inf), 1.0)
[1] TRUE
> identical(fnorm(log, sqrt, 1, 2, p = -Inf), sqrt(2) - log(2))
[1] TRUE
> identical(fnorm(log, sqrt, 1, 2, p = 0), Inf)
[1] TRUE
> 
> proc.time()
   user  system elapsed 
   0.10    0.07    0.17