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(test, truth, tol=tol))
> 
> x1 = matrix(stats::rnorm(30), 10)
> x2 = matrix(stats::rnorm(30), 10)
> x3 = matrix(1:30, 10)
> 
> s1 = fl(x1)
> s2 = fl(x2)
> 
> 
> 
> ### Addition
> test = dbl(s1 + s2)
> truth = x1 + x2
> same(test, truth)
> test = s1 + x2
> same(test, truth)
> test = x2 + s1
> same(test, truth)
> 
> test = dbl(s1 + x3)
> truth = x1 + x3
> same(test, truth)
> test = dbl(x3 + s1)
> same(test, truth)
> 
> test = dbl(s1 + 1L)
> truth = x1 + 1
> same(test, truth)
> test = s1 + 1.0
> same(test, truth)
> 
> 
> 
> ### Multiplication
> test = dbl(s1 * s2)
> truth = x1 * x2
> same(test, truth)
> test = s1 * x2
> same(test, truth)
> test = x2 * s1
> same(test, truth)
> 
> test = dbl(s1 * x3)
> truth = x1 * x3
> same(test, truth)
> test = dbl(x3 * s1)
> same(test, truth)
> 
> test = dbl(s1 * 1L)
> truth = x1 * 1L
> same(test, truth)
> test = s1 * 1.0
> same(test, truth)
> 
> 
> 
> ### Subtraction
> test = dbl(s1 - s2)
> truth = x1 - x2
> same(test, truth)
> test = s1 - x2
> same(test, truth)
> 
> truth = x2 - x1
> test = x2 - s1
> same(test, truth)
> 
> test = dbl(s1 - x3)
> truth = x1 - x3
> same(test, truth)
> 
> truth = x3 - x1
> test = dbl(x3 - s1)
> same(test, truth)
> 
> test = dbl(s1 - 1L)
> truth = x1 - 1L
> same(test, truth)
> test = s1 - 1.0
> same(test, truth)
> 
> 
> 
> ### Division
> test = dbl(s1 / s2)
> truth = x1 / x2
> same(test, truth)
> test = s1 / x2
> same(test, truth)
> 
> truth = x2 / x1
> test = x2 / s1
> same(test, truth)
> 
> test = dbl(s1 / x3)
> truth = x1 / x3
> same(test, truth)
> 
> truth = x3 / x1
> test = dbl(x3 / s1)
> same(test, truth)
> 
> test = dbl(s1 / 1L)
> truth = x1 / 1L
> same(test, truth)
> test = s1 / 1.0
> same(test, truth)
> 
> 
> 
> ### Power
> test = dbl(s1 ^ s2)
> truth = x1 ^ x2
> same(test, truth)
> test = s1 ^ x2
> same(test, truth)
> 
> truth = x2 ^ x1
> test = x2 ^ s1
> same(test, truth)
> 
> test = dbl(s1 ^ x3)
> truth = x1 ^ x3
> same(test, truth)
> 
> truth = x3 ^ x1
> test = dbl(x3 ^ s1)
> same(test, truth)
> 
> test = dbl(s1 ^ 1L)
> truth = x1 ^ 1L
> same(test, truth)
> test = s1 ^ 1.0
> same(test, truth)
> 
> proc.time()
   user  system elapsed 
   0.39    0.01    0.39