## ----echo=FALSE, results="hide", message=FALSE-------------------------------- require(knitr) opts_chunk$set(error=FALSE, message=FALSE, warning=FALSE) ## ----------------------------------------------------------------------------- # Mocking up some kind of matrix-like object. library(Matrix) x <- round(rsparsematrix(1000, 10, 0.2)) # Initializing it in C++. library(beachmat) ptr <- initializeCpp(x) ## ----eval=FALSE--------------------------------------------------------------- # browseURL(system.file("include", "Rtatami.h", package="beachmat")) ## ----------------------------------------------------------------------------- column_sums(ptr) ## ----------------------------------------------------------------------------- parallel_column_sums(ptr, 2) ## ----------------------------------------------------------------------------- sessionInfo()