summaryrefslogtreecommitdiffstats
path: root/man3/clog2.3
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:40:15 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:40:15 +0000
commit399644e47874bff147afb19c89228901ac39340e (patch)
tree1c4c0b733f4c16b5783b41bebb19194a9ef62ad1 /man3/clog2.3
parentInitial commit. (diff)
downloadmanpages-upstream/6.05.01.tar.xz
manpages-upstream/6.05.01.zip
Adding upstream version 6.05.01.upstream/6.05.01
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--man3/clog2.345
1 files changed, 45 insertions, 0 deletions
diff --git a/man3/clog2.3 b/man3/clog2.3
new file mode 100644
index 0000000..06a04a9
--- /dev/null
+++ b/man3/clog2.3
@@ -0,0 +1,45 @@
+.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
+.\"
+.\" SPDX-License-Identifier: GPL-1.0-or-later
+.\"
+.TH clog2 3 2023-03-30 "Linux man-pages 6.05.01"
+.SH NAME
+clog2, clog2f, clog2l \- base-2 logarithm of a complex number
+.SH LIBRARY
+Math library
+.RI ( libm ", " \-lm )
+.SH SYNOPSIS
+.nf
+.B #include <complex.h>
+.PP
+.BI "double complex clog2(double complex " z );
+.BI "float complex clog2f(float complex " z );
+.BI "long double complex clog2l(long double complex " z );
+.fi
+.SH DESCRIPTION
+The call
+.I clog2(z)
+is equivalent to
+.IR clog(z)/log(2) .
+.PP
+The other functions perform the same task for
+.I float
+and
+.IR "long double" .
+.PP
+Note that
+.I z
+close to zero will cause an overflow.
+.SH STANDARDS
+None.
+.SH HISTORY
+These function names are reserved for future use in C99.
+.PP
+Not yet in glibc, as at glibc 2.19.
+.\" But reserved in NAMESPACE.
+.SH SEE ALSO
+.BR cabs (3),
+.BR cexp (3),
+.BR clog (3),
+.BR clog10 (3),
+.BR complex (7)