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view R/rdc/demo/sqrt.R @ 61:c5a69c454963

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- allow use of 'None' with 'Z' - bumped version to 1.4 (be in sync current dyncall version)
author Tassilo Philipp
date Mon, 03 Apr 2023 19:06:07 +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)