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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-24 04:52:22 +0000 |
commit | 7f3caba522f4d24764f29d83aa2de9198bb7f01c (patch) | |
tree | 66b798ea74302325d6a5c11df044cbe4bb845af1 /man3/cacosh.3 | |
parent | Adding upstream version 6.7. (diff) | |
download | manpages-7f3caba522f4d24764f29d83aa2de9198bb7f01c.tar.xz manpages-7f3caba522f4d24764f29d83aa2de9198bb7f01c.zip |
Adding upstream version 6.8.upstream/6.8upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'man3/cacosh.3')
-rw-r--r-- | man3/cacosh.3 | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/man3/cacosh.3 b/man3/cacosh.3 deleted file mode 100644 index 941b375..0000000 --- a/man3/cacosh.3 +++ /dev/null @@ -1,95 +0,0 @@ -'\" t -.\" Copyright 2002 Walter Harms(walter.harms@informatik.uni-oldenburg.de) -.\" and Copyright (C) 2011 Michael Kerrisk <mtk.manpages@gmail.com> -.\" -.\" SPDX-License-Identifier: GPL-1.0-or-later -.\" -.TH cacosh 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -cacosh, cacoshf, cacoshl \- complex arc hyperbolic cosine -.SH LIBRARY -Math library -.RI ( libm ", " \-lm ) -.SH SYNOPSIS -.nf -.B #include <complex.h> -.P -.BI "double complex cacosh(double complex " z ); -.BI "float complex cacoshf(float complex " z ); -.BI "long double complex cacoshl(long double complex " z ); -.fi -.SH DESCRIPTION -These functions calculate the complex arc hyperbolic cosine of -.IR z . -If \fIy\ =\ cacosh(z)\fP, then \fIz\ =\ ccosh(y)\fP. -The imaginary part of -.I y -is chosen in the interval [\-pi,pi]. -The real part of -.I y -is chosen nonnegative. -.P -One has: -.P -.nf - cacosh(z) = 2 * clog(csqrt((z + 1) / 2) + csqrt((z \- 1) / 2)) -.fi -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.na -.nh -.BR cacosh (), -.BR cacoshf (), -.BR cacoshl () -T} Thread safety MT-Safe -.TE -.SH STANDARDS -C11, POSIX.1-2008. -.SH HISTORY -C99, POSIX.1-2001. -glibc 2.1. -.SH EXAMPLES -.\" SRC BEGIN (cacosh.c) -.EX -/* Link with "\-lm" */ -\& -#include <complex.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -\& -int -main(int argc, char *argv[]) -{ - double complex z, c, f; -\& - if (argc != 3) { - fprintf(stderr, "Usage: %s <real> <imag>\en", argv[0]); - exit(EXIT_FAILURE); - } -\& - z = atof(argv[1]) + atof(argv[2]) * I; -\& - c = cacosh(z); - printf("cacosh() = %6.3f %6.3f*i\en", creal(c), cimag(c)); -\& - f = 2 * clog(csqrt((z + 1)/2) + csqrt((z \- 1)/2)); - printf("formula = %6.3f %6.3f*i\en", creal(f), cimag(f)); -\& - exit(EXIT_SUCCESS); -} -.EE -.\" SRC END -.SH SEE ALSO -.BR acosh (3), -.BR cabs (3), -.BR ccosh (3), -.BR cimag (3), -.BR complex (7) |