ELLJAC(3pm)

💖 ELLJAC(3pm) 💖

okay bestie, so this page lives in the User Contributed Perl Documentation corner of the perl manual universe, and it's literally all about PDL::GSLSF::ELLJAC 🦋

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✨ NAME ✨

PDL::GSLSF::ELLJAC — the PDL interface to GSL Special Functions 🎀

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🌸 DESCRIPTION 🌸

So basically? This is an interface to the Special Function package that lives inside the GNU Scientific Library. That's it, that's the vibe. It's giving "glue code that lets PDL talk to GSL" and we're obsessed. 💅

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🔥 FUNCTIONS 🔥

🌈 gsl_sf_elljac

the signature, verbatim, no notes:

Signature: (double u(); double m(); double [o]sn(); double [o]cn(); double [o]dn())

it does Jacobian elliptic functions — sn, dn, and cn — computed via descending Landen transformations ✨ iconic math behavior fr fr.

heads up bestie 🫶 gsl_sf_elljac does not process bad values. If the bad-value flag is set for any of the input ndarrays, it will set the bad-value flag of all the output ndarrays. so like… no cap, watch out for that 💀

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👑 AUTHOR 👑

this file is copyright (C) 1999 Christian Pellegrin <chri@infis.univ.trieste.it> — all rights reserved, and there is no warranty. 🫶

you're allowed to redistribute this software / documentation under certain conditions. for the details, go look at the file COPYING in the PDL distribution. and if this file ever gets separated from the PDL distribution, the copyright notice should stay included in the file, periodt. 💖

also shoutout: the GSL SF modules were written by G. Jungman. ⭐

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and that's the whole page, bestie 🧚 this was perl v5.38.2, dated 2024-04-10, signing off 💜🎀