[Rd] Why is matrix product slower when matrix has very small values?

Hi, I experience surprisingly large timing differences for the multiplication of matrices of the same dimension. An example is given below. How can this be explained? I posted the question on Stackoverflow: https://stackoverflow.com/questions/58886111/r-why-is-matrix-product-slower-when-matrix-has

Re: [Rd] S3 methods in packages. Change in R 4.0.0?

Thank you Duncan, I declared now my S3methods in the NAMESPACE file. This works, at least locally on my machine. But I assume that my package version on the devel branch of Bioconductor will be built in the next hours. Herbert Am 16.11.19 um 16:29 schrieb Duncan Murdoch: On 15/11/2019 8:42