R Under development (unstable) (2023-11-08 r85496 ucrt) -- "Unsuffered Consequences"
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> ##
> ##  p o l y m u l . R  Test suite
> ##
> 
> 
> polymul <- pracma::polymul
> 
> identical(polymul(c(0.5), c(2, 4, 8)), c(1, 2, 4))
[1] TRUE
> identical(polymul(c(2.5, 1.5, 0.5), c(2)), c(5, 3, 1))
[1] TRUE
> identical(polymul(c(1, 1, 1), c(0, 1, 1, 1)), c(1, 2, 3, 2, 1))
[1] TRUE
> identical(polymul(c(1, 0, 0), c(0, 0, 1)), c(1, 0, 0))
[1] TRUE
> 
> proc.time()
   user  system elapsed 
   0.07    0.07    0.14