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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/clog.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/clog.3')
-rw-r--r-- | man3/clog.3 | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/man3/clog.3 b/man3/clog.3 deleted file mode 100644 index 9ada276..0000000 --- a/man3/clog.3 +++ /dev/null @@ -1,71 +0,0 @@ -'\" t -.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) -.\" -.\" SPDX-License-Identifier: GPL-1.0-or-later -.\" -.TH clog 3 2023-10-31 "Linux man-pages 6.7" -.SH NAME -clog, clogf, clogl \- natural logarithm of a complex number -.SH LIBRARY -Math library -.RI ( libm ", " \-lm ) -.SH SYNOPSIS -.nf -.B #include <complex.h> -.P -.BI "double complex clog(double complex " z ); -.BI "float complex clogf(float complex " z ); -.BI "long double complex clogl(long double complex " z ); -.fi -.SH DESCRIPTION -These functions calculate the complex natural logarithm of -.IR z , -with a branch cut along the negative real axis. -.P -The logarithm -.BR clog () -is the inverse function of the exponential -.BR cexp (3). -Thus, if \fIy\ =\ clog(z)\fP, then \fIz\ =\ cexp(y)\fP. -The imaginary part of -.I y -is chosen in the interval [\-pi,pi]. -.P -One has: -.P -.in +4n -.EX -clog(z) = log(cabs(z)) + I * carg(z) -.EE -.in -.P -Note that -.I z -close to zero will cause an overflow. -.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 clog (), -.BR clogf (), -.BR clogl () -T} Thread safety MT-Safe -.TE -.SH STANDARDS -C11, POSIX.1-2008. -.SH HISTORY -glibc 2.1. -C99, POSIX.1-2001. -.SH SEE ALSO -.BR cabs (3), -.BR cexp (3), -.BR clog10 (3), -.BR clog2 (3), -.BR complex (7) |