R Under development (unstable) (2023-12-09 r85665 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> suppressPackageStartupMessages(library(float))
> set.seed(1234)
> tol=1e-6
> 
> same = function(test, truth) stopifnot(all.equal(dbl(test), truth, tol=tol))
> 
> x1 = matrix(-4:5, 5)
> s1 = fl(x1)
> 
> x2 = x1
> x2[3, 1] = NA_integer_
> x2[4, 2] = NA_integer_
> s2 = fl(x2)
> 
> y = 1L
> z = 1.0
> s3 = flrunif(5)
> 
> 
> ### min
> test = min(s1)
> truth = min(x1)
> same(test, truth)
> 
> test = min(s1, s3)
> truth = min(x1, dbl(s3))
> same(test, truth)
> 
> test = min(s1, y)
> truth = min(x1, y)
> same(test, truth)
> 
> # NA
> test = sum(s2, na.rm=FALSE)
> truth = sum(x2, na.rm=FALSE)
> same(test, truth)
> 
> test = sum(s2, na.rm=TRUE)
> truth = sum(x2, na.rm=TRUE)
> same(test, truth)
> 
> 
> 
> ### max
> test = max(s1)
> truth = max(x1)
> same(test, truth)
> 
> test = max(s1, s3)
> truth = max(x1, dbl(s3))
> same(test, truth)
> 
> test = max(s1, y)
> truth = max(x1, y)
> same(test, truth)
> 
> # NA
> test = sum(s2, na.rm=FALSE)
> truth = sum(x2, na.rm=FALSE)
> same(test, truth)
> 
> test = sum(s2, na.rm=TRUE)
> truth = sum(x2, na.rm=TRUE)
> same(test, truth)
> 
> 
> 
> 
> # which
> test = which.min(s1)
> truth = which.min(x1)
> same(test, truth)
> 
> test = which.min(s2)
> truth = which.min(x2)
> same(test, truth)
> 
> test = which.max(s1)
> truth = which.max(x1)
> same(test, truth)
> 
> test = which.max(s2)
> truth = which.max(x2)
> same(test, truth)
> 
> proc.time()
   user  system elapsed 
   0.32    0.01    0.36