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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2007-12-24 14:41:56 +0000 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2007-12-24 14:41:56 +0000 |
| commit | 658670dea281992023e0f15c0f4d8685c79e446a (patch) | |
| tree | 7e60550ef23cc6ef81e193739e8fb8d968a5fafe /man3/clog.3 | |
| parent | d830deef339daad3d2eab785e1948f7d0bfb166d (diff) | |
| download | man-pages-658670dea281992023e0f15c0f4d8685c79e446a.tar.gz | |
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Diffstat (limited to 'man3/clog.3')
| -rw-r--r-- | man3/clog.3 | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/man3/clog.3 b/man3/clog.3 index cc31e2c340..e6cea885fc 100644 --- a/man3/clog.3 +++ b/man3/clog.3 @@ -1,7 +1,7 @@ .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de) .\" Distributed under GPL .\" -.TH CLOG 3 2002-07-28 "" "Linux Programmer's Manual" +.TH CLOG 3 2007-12-26 "" "Linux Programmer's Manual" .SH NAME clog, clogf, clogl \- natural logarithm of a complex number .SH SYNOPSIS @@ -19,12 +19,16 @@ The logarithm .BR clog () is the inverse function of the exponential .BR cexp (3). -Thus, if y = clog(z), then z = cexp(y). +Thus, if \fIy\ =\ clog(z)\fP, then \fIz\ =\ cexp(y)\fP. The imaginary part of .I y is chosen in the interval [\-pi,pi]. .LP -One has clog(z) = log(cabs(z)) + I * carg(z). +One has: +.nf + + clog(z) = log(cabs(z)) + I * carg(z) +.fi .LP Note that .I z |