Looks like you need a Float/TYPE instead of Double/TYPE. On Sep 13, 6:07 am, Ranjit Chacko <rjcha...@gmail.com> wrote: > I'm having a problem with java interop using one of the libraries in > the Incanter package. > > When I run the following code: > > (use '(incanter core charts)) > (import (edu.emory.mathcs.jtransforms.fft FloatFFT_2D)) > (def xt (make-array Double/TYPE 3 3 )) > (for [x (range 3) y (range 3)] (aset xt x y 1)) > (.realForward (FloatFFT_2D. 3 3) xt) > > I get this error: > > java.lang.IllegalArgumentException: No matching method found: > realForward for class edu.emory.mathcs.jtransforms.fft.FloatFFT_2D > > That code is calling this > method:http://incanter.org/docs/parallelcolt/api/edu/emory/mathcs/jtransform...[][]%29 > > But if I do the same thing but call this method instead which takes a 1d > array as an argument instead it > works:http://incanter.org/docs/parallelcolt/api/edu/emory/mathcs/jtransform...[]%29 > > I'm pretty new to Clojure so I'm not sure what's going on here, but I > guess this has something to do with reflection? Is this going to be a > general problem with passing multidimensional arrays to Java methods > from Clojure? > > Thanks, > > -Ranjit
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