1LOG(3) User Contributed Perl Documentation LOG(3)
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6 PDL::GSLSF::LOG - PDL interface to GSL Special Functions
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9 This is an interface to the Special Function package present in the GNU
10 Scientific Library.
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14 gsl_sf_log
15 Signature: (double x(); double [o]y(); double [o]e())
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17 Provide a logarithm function with GSL semantics.
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19 gsl_sf_log does not process bad values. It will set the bad-value flag
20 of all output ndarrays if the flag is set for any of the input
21 ndarrays.
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23 gsl_sf_complex_log
24 Signature: (double zr(); double zi(); double [o]x(); double [o]y(); double [o]xe(); double [o]ye())
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26 Complex Logarithm exp(lnr + I theta) = zr + I zi Returns argument in
27 [-pi,pi].
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29 gsl_sf_complex_log does not process bad values. It will set the bad-
30 value flag of all output ndarrays if the flag is set for any of the
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34 This file copyright (C) 1999 Christian Pellegrin
35 <chri@infis.univ.trieste.it> All rights reserved. There is no warranty.
36 You are allowed to redistribute this software / documentation under
37 certain conditions. For details, see the file COPYING in the PDL
38 distribution. If this file is separated from the PDL distribution, the
39 copyright notice should be included in the file.
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41 The GSL SF modules were written by G. Jungman.
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45perl v5.34.0 2021-08-16 LOG(3)