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Answer: How can I import previously created math functions?

by ariels (Curate)
on Sep 11, 2001 at 14:15 UTC ( #111702=categorized answer: print w/replies, xml ) Need Help??

Q&A > math > How can I import previously created math functions? - Answer contributed by ariels

The amazing Inline module offers help here, too. Not all <math.h> functions are available in Perl (even if you use POSIX;).

Here's how to print some erf() values, for instance (a function almost certainly available in your maths library): 

perl -le 'use Inline C => q{ double erf(double); }, ENABLE => "AUTOWRA
+P"; print "$_ ",erf($_) for (0..5)'

[download]

You can of course write it into your modules, and use it to access you own libraries.

Other C wrapping options are XS (of course) and Swig.

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