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annotate R/rdyncall/demo/qsort.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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0cfcc391201f initial from svn dyncall-1745
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1 dynbind(c("msvcrt","c","c.so.6"), "qsort(piip)v;")
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2 cb <- new.callback("pp)i",function(px,py){
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3 x <- .unpack(px, 0, "d")
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4 y <- .unpack(py, 0, "d")
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5 if (x > y) return(1) else if (x == y) return(0) else return(-1)
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6 })
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7 x <- rnorm(100)
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8 qsort(x,length(x),8,cb)
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