TANL(3POSIX)

💖 TANL(3POSIX) 💖

okay bestie, welcome to the POSIX Programmer's Manual ✨ this lil page is all about tanl from <math.h> and honestly? she's giving long double realness 🦋

🌸 PROLOG 🌸

so like, this manual page is part of the POSIX Programmer's Manual, no cap. but here's the tea 🍵 — the Linux implementation of this interface may differ (so if you're on Linux, go consult the corresponding Linux manual page for the actual deets on Linux behavior), or, plot twist 😭, the interface may not even be implemented on Linux at all. vibe check your platform first, fr fr.

✨ NAME ✨

tanl — tangent function 🎀 (yes queen, tangent, but make it long double)

🫶 SYNOPSIS 🫶

#include <math.h>

long double tanl(long double x);

that's it. that's the whole function signature. short, sweet, iconic 👑

💅 DESCRIPTION 💅

ngl this one's a "go read the other page" situation — Refer to tan(). the l suffix is the whole personality here: it's the long double version, iykyk 💜

👑 COPYRIGHT 👑

okay so legally I have to tell you this, and I'm gonna tell you this 💖

Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1-2017, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, 2018 Edition, Copyright (C) 2018 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .

Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source files to man page format. To report such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html .

lowkey important: if this page and the actual IEEE / The Open Group Standard ever disagree, the Standard wins. this page is not the referee, periodt 🫡

and that's the whole page bestie!! 🌈✨

this masterpiece was brought to you by IEEE/The Open Group, dated 2017 — the source and version, right there in the footer, because we keep receipts 💖 mwah, go compute some tangents 🧚