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diff R/rdc/demo/sqrt.R @ 0:0cfcc391201f

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initial from svn dyncall-1745
author Daniel Adler
date Thu, 19 Mar 2015 22:26:28 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/R/rdc/demo/sqrt.R	Thu Mar 19 22:26:28 2015 +0100
@@ -0,0 +1,14 @@
+# 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)
+