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MathGroup Archive 2010

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JLink NaN Support

  • To: mathgroup at smc.vnet.net
  • Subject: [mg110752] JLink NaN Support
  • From: Raffy <adraffy at gmail.com>
  • Date: Sun, 4 Jul 2010 06:10:40 -0400 (EDT)

The support for NaN -> Indeterminate over JLink from Java ->
Mathematica is completely broken.

double[] f1() { return new double[]{Double.NaN}; }
double[] f2() { return new double[]{1/0D}; }

Evaluating f1 from Mathematica will return {-1024.}
Evaluating f2 from Mathematica will kill the kernel.

The desired behavior should be {Indeterminate} in both cases.

Are there any fixes for this or am I stuck mapping NaN's to a
different value?


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