CASINH(3P)

πŸ“¦ version 2017a, in alpine 3.22, alpine 3.23, alpine 3.24, arch rolling, nixpkgs unstable, opensuse-leap 16.0

✨ CASINH(3P) β€” POSIX Programmer's Manual ✨

okay bestie, so this is a page from the POSIX Programmer's Manual (yes, that whole big volume) and it's all about casinh and her two little sisters. πŸ’–

🌸 PROLOG 🌸

so like, real talk first β€” this manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux. so basically, don't come for me if Linux does its own thing, go check the Linux page, iykyk 🫢

πŸ‘‘ NAME πŸ‘‘

casinh, casinhf, casinhl β€” complex arc hyperbolic sine functions

it's giving math but make it complex πŸ’…

πŸŽ€ SYNOPSIS πŸŽ€

#include <complex.h>

double complex casinh(double complex z);
float complex casinhf(float complex z);
long double complex casinhl(long double complex z);

three queens, three precision levels, one vibe ✨

πŸ¦‹ DESCRIPTION πŸ¦‹

okay so the functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional β€” like, we're not trying to start drama with ISO C. This volume of POSIX.1‐2017 defers to the ISO C standard. periodt.

so what do these functions actually do? These functions shall compute the complex arc hyperbolic sine of z, with branch cuts outside the interval [-i, +i] along the imaginary axis. yes bestie, the imaginary axis, we love her πŸ’œ

πŸ’… RETURN VALUE πŸ’…

These functions shall return the complex arc hyperbolic sine value, in the range of a strip mathematically unbounded along the real axis and in the interval [-iΟ€/2, +iΟ€/2] along the imaginary axis.

so real axis = unbounded, imaginary axis = [-iΟ€/2, +iΟ€/2]. iconic behavior honestly 🌈

😭 ERRORS 😭

No errors are defined.

not a single one. she simply does not miss. πŸ‘‘

The following sections are informative.

🌟 EXAMPLES 🌟

None.

(it's a mystery, a blank canvas, we respect it πŸ™ˆ)

πŸ’– APPLICATION USAGE πŸ’–

None.

🧚 RATIONALE 🧚

None.

πŸ”₯ FUTURE DIRECTIONS πŸ”₯

None.

⭐ SEE ALSO ⭐

  • csinh()
  • The Base Definitions volume of POSIX.1‐2017, <complex.h>

go read those too bestie, they're part of the lore πŸ“š

okay so legally i have to tell you all of this, and i will, word for word, no skips:

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 .

bestie if you spot a typo it's almost definitely a conversion artifact, not a lore drop. report it at that link, don't @ me πŸ’€

and that's the whole page, no cap, every single detail intact, we ate and left no crumbs πŸ“

this iconic little number was served to you by IEEE/The Open Group, dated 2017, under the title CASINH(3P) β€” take care of her, she's fragile and standards-compliant πŸ’–βœ¨πŸŽ€

πŸ“¦ where this page comes from