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Diffstat (limited to 'man/man3/clog2.3')
| -rw-r--r-- | man/man3/clog2.3 | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/man/man3/clog2.3 b/man/man3/clog2.3 new file mode 100644 index 0000000..155f8b4 --- /dev/null +++ b/man/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 2024-05-02 "Linux man-pages (unreleased)" +.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> +.P +.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) . +.P +The other functions perform the same task for +.I float +and +.IR "long double" . +.P +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. +.P +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) |