| 1 | .\" $NetBSD: clog.3,v 1.3 2013/01/29 02:05:09 matt Exp $ |
| 2 | .\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved |
| 3 | .Dd December 2, 2014 |
| 4 | .Dt CLOG 3 |
| 5 | .Os |
| 6 | .Sh NAME |
| 7 | .Nm clog , |
| 8 | .Nm clogf , |
| 9 | .Nm clogl |
| 10 | .Nd complex natural logarithm functions |
| 11 | .Sh LIBRARY |
| 12 | .Lb libm |
| 13 | .Sh SYNOPSIS |
| 14 | .In complex.h |
| 15 | .Ft double complex |
| 16 | .Fn clog "double complex z" |
| 17 | .Ft float complex |
| 18 | .Fn clogf "float complex z" |
| 19 | .Ft long double complex |
| 20 | .Fn clogl "long double complex z" |
| 21 | .Sh DESCRIPTION |
| 22 | These functions compute the complex natural (base e) logarithm |
| 23 | of |
| 24 | .Ar z , |
| 25 | with a branch cut along the negative real axis. |
| 26 | .Sh RETURN VALUES |
| 27 | These functions return the complex natural logarithm value, |
| 28 | in the range of a strip mathematically unbounded along the |
| 29 | real axis and in the interval [\-i pi,\ +i pi] along the |
| 30 | imaginary axis. |
| 31 | .Sh ERRORS |
| 32 | No errors are defined. |
| 33 | .Sh SEE ALSO |
| 34 | .Xr cexp 3 , |
| 35 | .St -p1003.1-2001 |
| 36 | .Aq Pa complex.h |
| 37 | .Sh COPYRIGHT |
| 38 | Portions of this text are reprinted and reproduced in electronic form |
| 39 | from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology |
| 40 | -- Portable Operating System Interface (POSIX), The Open Group Base |
| 41 | Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of |
| 42 | Electrical and Electronics Engineers, Inc and The Open Group. |
| 43 | In the |
| 44 | event of any discrepancy between this version and the original IEEE and |
| 45 | The Open Group Standard, the original IEEE and The Open Group Standard |
| 46 | is the referee document. |
| 47 | The original Standard can be obtained online at |
| 48 | http://www.opengroup.org/unix/online.html . |