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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13 gsl_sf_log
14 Signature: (double x(); double [o]y(); double [o]e())
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16 Provide a logarithm function with GSL semantics.
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18 gsl_sf_log does not process bad values. It will set the bad-value flag
19 of all output ndarrays if the flag is set for any of the input
20 ndarrays.
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22 gsl_sf_complex_log
23 Signature: (double zr(); double zi(); double [o]x(); double [o]y(); double [o]xe(); double [o]ye())
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25 Complex Logarithm exp(lnr + I theta) = zr + I zi Returns argument in
26 [-pi,pi].
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28 gsl_sf_complex_log does not process bad values. It will set the bad-
29 value flag of all output ndarrays if the flag is set for any of the
30 input ndarrays.
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33 This file copyright (C) 1999 Christian Pellegrin
34 <chri@infis.univ.trieste.it> All rights reserved. There is no warranty.
35 You are allowed to redistribute this software / documentation under
36 certain conditions. For details, see the file COPYING in the PDL
37 distribution. If this file is separated from the PDL distribution, the
38 copyright notice should be included in the file.
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40 The GSL SF modules were written by G. Jungman.
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44perl v5.36.0 2022-07-22 LOG(3)