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view R/rdc/demo/sqrt.R @ 32:2089026debae

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- allowing 'None' as arg for pydc.load, effectively resulting in dlLoadLibrary(NULL), which is own process
author Tassilo Philipp
date Sat, 11 Apr 2020 18:02:33 +0200
parents 0cfcc391201f
children
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# File: rdc/demo/sqrt.R
# Description: call sqrt

if (.Platform$OS.type == "unix") {
  dyn.load("/lib/libc.so.6")
} else {
  dyn.load("/windows/system32/msvcrt")
}

sym.sqrt <- getNativeSymbolInfo("sqrt")

x <- 144.0
rdcCall( sym.sqrt$address, "d)d", x)