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annotate liboctave/lo-mappers.h @ 7740:39930366b709

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implement builtin log2
author Jaroslav Hajek <highegg@gmail.com>
date Wed, 30 Apr 2008 03:30:34 -0400
parents 99c410f7f0b0
children 82be108cc558
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1 /*
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2
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3 Copyright (C) 1996, 1997, 1998, 1999, 2001, 2002, 2003, 2004, 2005,
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4 2006, 2007 John W. Eaton
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #if !defined (octave_liboctave_mappers_h)
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25 #define octave_liboctave_mappers_h 1
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26
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27 #include "oct-cmplx.h"
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28
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29 extern OCTAVE_API double arg (double x);
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30 extern OCTAVE_API double conj (double x);
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31 extern OCTAVE_API double fix (double x);
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32 extern OCTAVE_API double imag (double x);
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33 extern OCTAVE_API double real (double x);
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34 extern OCTAVE_API double xround (double x);
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35 extern OCTAVE_API double xroundb (double x);
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36 extern OCTAVE_API double signum (double x);
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37 extern OCTAVE_API double xtrunc (double x);
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38 extern OCTAVE_API double xlog2 (double x);
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39 extern OCTAVE_API Complex xlog2 (const Complex& x);
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40 extern OCTAVE_API double xlog2 (double x, int& exp);
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41 extern OCTAVE_API Complex xlog2 (const Complex& x, int& exp);
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42 extern OCTAVE_API double xexp2 (double x);
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43
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44 extern OCTAVE_API bool xisnan (double x);
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45 extern OCTAVE_API bool xfinite (double x);
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46 extern OCTAVE_API bool xisinf (double x);
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47
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48 extern OCTAVE_API bool octave_is_NA (double x);
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49 extern OCTAVE_API bool octave_is_NaN_or_NA (double x) GCC_ATTR_DEPRECATED;
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50
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51 extern OCTAVE_API double xmin (double x, double y);
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52 extern OCTAVE_API double xmax (double x, double y);
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54 extern OCTAVE_API Complex acos (const Complex& x);
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55 extern OCTAVE_API Complex acosh (const Complex& x);
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56 extern OCTAVE_API Complex asin (const Complex& x);
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57 extern OCTAVE_API Complex asinh (const Complex& x);
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58 extern OCTAVE_API Complex atan (const Complex& x);
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59 extern OCTAVE_API Complex atanh (const Complex& x);
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61 extern OCTAVE_API Complex ceil (const Complex& x);
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62 extern OCTAVE_API Complex fix (const Complex& x);
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63 extern OCTAVE_API Complex floor (const Complex& x);
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64 extern OCTAVE_API Complex xround (const Complex& x);
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65 extern OCTAVE_API Complex xroundb (const Complex& x);
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66 extern OCTAVE_API Complex signum (const Complex& x);
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68 extern OCTAVE_API bool xisnan (const Complex& x);
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69 extern OCTAVE_API bool xfinite (const Complex& x);
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70 extern OCTAVE_API bool xisinf (const Complex& x);
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72 extern OCTAVE_API bool octave_is_NA (const Complex& x);
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73 extern OCTAVE_API bool octave_is_NaN_or_NA (const Complex& x);
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75 extern OCTAVE_API Complex xmin (const Complex& x, const Complex& y);
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76 extern OCTAVE_API Complex xmax (const Complex& x, const Complex& y);
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77
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78 #endif
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79
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80 /*
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81 ;;; Local Variables: ***
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82 ;;; mode: C++ ***
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83 ;;; End: ***
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84 */