annotate liboctave/array/Range.h @ 17769:49a5a4be04a1

maint: Use GNU style coding conventions for code in liboctave/ * liboctave/array/Array-C.cc, liboctave/array/Array-b.cc, liboctave/array/Array-ch.cc, liboctave/array/Array-d.cc, liboctave/array/Array-f.cc, liboctave/array/Array-fC.cc, liboctave/array/Array-util.cc, liboctave/array/Array-util.h, liboctave/array/Array.cc, liboctave/array/Array.h, liboctave/array/Array3.h, liboctave/array/CColVector.cc, liboctave/array/CColVector.h, liboctave/array/CDiagMatrix.cc, liboctave/array/CDiagMatrix.h, liboctave/array/CMatrix.cc, liboctave/array/CMatrix.h, liboctave/array/CNDArray.cc, liboctave/array/CNDArray.h, liboctave/array/CRowVector.cc, liboctave/array/CRowVector.h, liboctave/array/CSparse.cc, liboctave/array/CSparse.h, liboctave/array/DiagArray2.h, liboctave/array/MArray.cc, liboctave/array/MArray.h, liboctave/array/MDiagArray2.cc, liboctave/array/MDiagArray2.h, liboctave/array/MSparse.cc, liboctave/array/MSparse.h, liboctave/array/MatrixType.cc, liboctave/array/MatrixType.h, liboctave/array/PermMatrix.h, liboctave/array/Range.cc, liboctave/array/Range.h, liboctave/array/Sparse.cc, liboctave/array/Sparse.h, liboctave/array/boolMatrix.cc, liboctave/array/boolMatrix.h, liboctave/array/boolNDArray.cc, liboctave/array/boolNDArray.h, liboctave/array/boolSparse.cc, liboctave/array/boolSparse.h, liboctave/array/chMatrix.cc, liboctave/array/chMatrix.h, liboctave/array/chNDArray.cc, liboctave/array/chNDArray.h, liboctave/array/dColVector.h, liboctave/array/dDiagMatrix.cc, liboctave/array/dDiagMatrix.h, liboctave/array/dMatrix.cc, liboctave/array/dMatrix.h, liboctave/array/dNDArray.cc, liboctave/array/dNDArray.h, liboctave/array/dRowVector.h, liboctave/array/dSparse.cc, liboctave/array/dSparse.h, liboctave/array/dim-vector.cc, liboctave/array/dim-vector.h, liboctave/array/fCColVector.cc, liboctave/array/fCColVector.h, liboctave/array/fCDiagMatrix.cc, liboctave/array/fCDiagMatrix.h, liboctave/array/fCMatrix.cc, liboctave/array/fCMatrix.h, liboctave/array/fCNDArray.cc, liboctave/array/fCNDArray.h, liboctave/array/fCRowVector.cc, liboctave/array/fCRowVector.h, liboctave/array/fColVector.h, liboctave/array/fDiagMatrix.cc, liboctave/array/fDiagMatrix.h, liboctave/array/fMatrix.cc, liboctave/array/fMatrix.h, liboctave/array/fNDArray.cc, liboctave/array/fNDArray.h, liboctave/array/fRowVector.h, liboctave/array/idx-vector.cc, liboctave/array/idx-vector.h, liboctave/array/intNDArray.cc, liboctave/array/intNDArray.h, liboctave/cruft/misc/blaswrap.c, liboctave/cruft/misc/quit.cc, liboctave/numeric/CmplxCHOL.cc, liboctave/numeric/CmplxCHOL.h, liboctave/numeric/CmplxGEPBAL.cc, liboctave/numeric/CmplxGEPBAL.h, liboctave/numeric/CmplxHESS.h, liboctave/numeric/CmplxLU.cc, liboctave/numeric/CmplxLU.h, liboctave/numeric/CmplxQR.cc, liboctave/numeric/CmplxQRP.cc, liboctave/numeric/CmplxQRP.h, liboctave/numeric/CmplxSCHUR.h, liboctave/numeric/CmplxSVD.cc, liboctave/numeric/CmplxSVD.h, liboctave/numeric/CollocWt.h, liboctave/numeric/DAE.h, liboctave/numeric/DAEFunc.h, liboctave/numeric/DAERT.h, liboctave/numeric/DAERTFunc.h, liboctave/numeric/DASPK.cc, liboctave/numeric/DASRT.cc, liboctave/numeric/DASRT.h, liboctave/numeric/DASSL.cc, liboctave/numeric/DET.h, liboctave/numeric/EIG.cc, liboctave/numeric/EIG.h, liboctave/numeric/LSODE.cc, liboctave/numeric/ODE.h, liboctave/numeric/ODEFunc.h, liboctave/numeric/ODES.h, liboctave/numeric/ODESFunc.h, liboctave/numeric/Quad.cc, liboctave/numeric/Quad.h, liboctave/numeric/SparseCmplxCHOL.h, liboctave/numeric/SparseCmplxLU.cc, liboctave/numeric/SparseCmplxLU.h, liboctave/numeric/SparseCmplxQR.cc, liboctave/numeric/SparseCmplxQR.h, liboctave/numeric/SparseQR.cc, liboctave/numeric/SparseQR.h, liboctave/numeric/SparsedbleCHOL.h, liboctave/numeric/SparsedbleLU.cc, liboctave/numeric/SparsedbleLU.h, liboctave/numeric/base-aepbal.h, liboctave/numeric/base-dae.h, liboctave/numeric/base-de.h, liboctave/numeric/base-lu.cc, liboctave/numeric/base-lu.h, liboctave/numeric/base-min.h, liboctave/numeric/base-qr.h, liboctave/numeric/bsxfun.h, liboctave/numeric/dbleCHOL.cc, liboctave/numeric/dbleCHOL.h, liboctave/numeric/dbleGEPBAL.h, liboctave/numeric/dbleHESS.h, liboctave/numeric/dbleLU.cc, liboctave/numeric/dbleLU.h, liboctave/numeric/dbleQR.cc, liboctave/numeric/dbleQRP.cc, liboctave/numeric/dbleQRP.h, liboctave/numeric/dbleSCHUR.cc, liboctave/numeric/dbleSCHUR.h, liboctave/numeric/dbleSVD.cc, liboctave/numeric/dbleSVD.h, liboctave/numeric/eigs-base.cc, liboctave/numeric/fCmplxAEPBAL.cc, liboctave/numeric/fCmplxAEPBAL.h, liboctave/numeric/fCmplxCHOL.cc, liboctave/numeric/fCmplxCHOL.h, liboctave/numeric/fCmplxGEPBAL.cc, liboctave/numeric/fCmplxGEPBAL.h, liboctave/numeric/fCmplxHESS.h, liboctave/numeric/fCmplxLU.cc, liboctave/numeric/fCmplxLU.h, liboctave/numeric/fCmplxQR.cc, liboctave/numeric/fCmplxQR.h, liboctave/numeric/fCmplxQRP.cc, liboctave/numeric/fCmplxQRP.h, liboctave/numeric/fCmplxSCHUR.cc, liboctave/numeric/fCmplxSCHUR.h, liboctave/numeric/fCmplxSVD.h, liboctave/numeric/fEIG.cc, liboctave/numeric/fEIG.h, liboctave/numeric/floatCHOL.cc, liboctave/numeric/floatCHOL.h, liboctave/numeric/floatGEPBAL.cc, liboctave/numeric/floatGEPBAL.h, liboctave/numeric/floatHESS.h, liboctave/numeric/floatLU.cc, liboctave/numeric/floatLU.h, liboctave/numeric/floatQR.cc, liboctave/numeric/floatQRP.cc, liboctave/numeric/floatQRP.h, liboctave/numeric/floatSCHUR.cc, liboctave/numeric/floatSCHUR.h, liboctave/numeric/floatSVD.cc, liboctave/numeric/floatSVD.h, liboctave/numeric/lo-mappers.cc, liboctave/numeric/lo-mappers.h, liboctave/numeric/lo-specfun.cc, liboctave/numeric/lo-specfun.h, liboctave/numeric/oct-convn.cc, liboctave/numeric/oct-fftw.cc, liboctave/numeric/oct-fftw.h, liboctave/numeric/oct-norm.cc, liboctave/numeric/oct-rand.cc, liboctave/numeric/oct-rand.h, liboctave/numeric/randgamma.c, liboctave/numeric/randgamma.h, liboctave/numeric/randmtzig.c, liboctave/numeric/randpoisson.c, liboctave/numeric/randpoisson.h, liboctave/numeric/sparse-base-chol.h, liboctave/numeric/sparse-base-lu.h, liboctave/numeric/sparse-dmsolve.cc, liboctave/operators/Sparse-diag-op-defs.h, liboctave/operators/Sparse-op-defs.h, liboctave/operators/mx-inlines.cc, liboctave/system/dir-ops.h, liboctave/system/file-ops.cc, liboctave/system/file-stat.cc, liboctave/system/file-stat.h, liboctave/system/lo-sysdep.cc, liboctave/system/lo-sysdep.h, liboctave/system/mach-info.cc, liboctave/system/mach-info.h, liboctave/system/oct-env.cc, liboctave/system/oct-group.cc, liboctave/system/oct-syscalls.cc, liboctave/system/oct-syscalls.h, liboctave/system/oct-time.h, liboctave/system/tempname.c, liboctave/util/action-container.h, liboctave/util/base-list.h, liboctave/util/cmd-edit.cc, liboctave/util/cmd-edit.h, liboctave/util/cmd-hist.cc, liboctave/util/cmd-hist.h, liboctave/util/data-conv.cc, liboctave/util/data-conv.h, liboctave/util/kpse.cc, liboctave/util/lo-array-gripes.cc, liboctave/util/lo-cieee.c, liboctave/util/lo-regexp.cc, liboctave/util/lo-utils.cc, liboctave/util/oct-alloc.cc, liboctave/util/oct-base64.cc, liboctave/util/oct-binmap.h, liboctave/util/oct-cmplx.h, liboctave/util/oct-glob.cc, liboctave/util/oct-inttypes.cc, liboctave/util/oct-inttypes.h, liboctave/util/oct-locbuf.cc, liboctave/util/oct-locbuf.h, liboctave/util/oct-mem.h, liboctave/util/oct-mutex.cc, liboctave/util/oct-refcount.h, liboctave/util/oct-shlib.cc, liboctave/util/oct-shlib.h, liboctave/util/oct-sort.cc, liboctave/util/oct-sort.h, liboctave/util/pathsearch.cc, liboctave/util/pathsearch.h, liboctave/util/sparse-util.cc, liboctave/util/str-vec.cc, liboctave/util/str-vec.h, liboctave/util/unwind-prot.h, liboctave/util/url-transfer.cc, liboctave/util/url-transfer.h: Use GNU style coding conventions.
author Rik <rik@octave.org>
date Sat, 26 Oct 2013 18:57:05 -0700
parents d63878346099
children 47d4b680d0e0
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1 /*
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2
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3 Copyright (C) 1993-2013 John W. Eaton
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5 This file is part of Octave.
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6
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7 Octave is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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21 */
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23 #if !defined (octave_Range_h)
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24 #define octave_Range_h 1
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25
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26 #include <iosfwd>
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27
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28 #include "dMatrix.h"
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29 #include "oct-sort.h"
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31 class
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32 OCTAVE_API
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33 Range
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34 {
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35 public:
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36
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37 Range (void)
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38 : rng_base (0), rng_limit (0), rng_inc (0), rng_nelem (0), cache (1, 0) { }
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40 Range (const Range& r)
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41 : rng_base (r.rng_base), rng_limit (r.rng_limit), rng_inc (r.rng_inc),
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42 rng_nelem (r.rng_nelem), cache (r.cache) { }
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44 Range (double b, double l)
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45 : rng_base (b), rng_limit (l), rng_inc (1),
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46 rng_nelem (nelem_internal ()), cache () { }
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48 Range (double b, double l, double i)
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49 : rng_base (b), rng_limit (l), rng_inc (i),
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50 rng_nelem (nelem_internal ()), cache () { }
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51
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52 // For operators' usage (to preserve element count).
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53 Range (double b, double i, octave_idx_type n)
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54 : rng_base (b), rng_limit (b + (n-1) * i), rng_inc (i),
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55 rng_nelem (n), cache ()
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56 {
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57 if (! xfinite (b) || ! xfinite (i))
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58 rng_nelem = -2;
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59 }
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60
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61 double base (void) const { return rng_base; }
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62 double limit (void) const { return rng_limit; }
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63 double inc (void) const { return rng_inc; }
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64 octave_idx_type nelem (void) const { return rng_nelem; }
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66 bool all_elements_are_ints (void) const;
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67
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68 Matrix matrix_value (void) const;
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69
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70 double min (void) const;
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71 double max (void) const;
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72
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73 void sort_internal (bool ascending = true);
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74 void sort_internal (Array<octave_idx_type>& sidx, bool ascending = true);
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75
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76 Matrix diag (octave_idx_type k = 0) const;
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77
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78 Range sort (octave_idx_type dim = 0, sortmode mode = ASCENDING) const;
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79
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80 Range sort (Array<octave_idx_type>& sidx, octave_idx_type dim = 0,
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81 sortmode mode = ASCENDING) const;
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83 sortmode is_sorted (sortmode mode = ASCENDING) const;
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84
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85 // Support for single-index subscripting, without generating matrix cache.
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86
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87 double checkelem (octave_idx_type i) const;
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88
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89 double elem (octave_idx_type i) const;
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90
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91 Array<double> index (const idx_vector& i) const;
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92
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93 void set_base (double b)
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94 {
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95 if (rng_base != b)
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96 {
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97 rng_base = b;
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98 clear_cache ();
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99 }
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100 }
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101
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102 void set_limit (double l)
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103 {
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104 if (rng_limit != l)
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105 {
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106 rng_limit = l;
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107 clear_cache ();
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108 }
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109 }
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110
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111 void set_inc (double i)
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112 {
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113 if (rng_inc != i)
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114 {
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115 rng_inc = i;
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116 clear_cache ();
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117 }
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118 }
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119
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120 friend OCTAVE_API std::ostream& operator << (std::ostream& os,
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121 const Range& r);
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122 friend OCTAVE_API std::istream& operator >> (std::istream& is, Range& r);
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123
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124 friend OCTAVE_API Range operator - (const Range& r);
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125 friend OCTAVE_API Range operator + (double x, const Range& r);
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126 friend OCTAVE_API Range operator + (const Range& r, double x);
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127 friend OCTAVE_API Range operator - (double x, const Range& r);
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128 friend OCTAVE_API Range operator - (const Range& r, double x);
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129 friend OCTAVE_API Range operator * (double x, const Range& r);
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130 friend OCTAVE_API Range operator * (const Range& r, double x);
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131
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132 void print_range (void);
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133
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134 private:
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135
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136 double rng_base;
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137 double rng_limit;
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138 double rng_inc;
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139
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140 octave_idx_type rng_nelem;
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141
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142 mutable Matrix cache;
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143
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144 octave_idx_type nelem_internal (void) const;
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145
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146 void clear_cache (void) const { cache.resize (0, 0); }
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147
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148 };
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149
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150 extern OCTAVE_API Range operator - (const Range& r);
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151
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152 extern OCTAVE_API Range operator + (double x, const Range& r);
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153
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154 extern OCTAVE_API Range operator + (const Range& r, double x);
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155
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156 extern OCTAVE_API Range operator - (double x, const Range& r);
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157
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158 extern OCTAVE_API Range operator - (const Range& r, double x);
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159
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160 extern OCTAVE_API Range operator * (double x, const Range& r);
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161
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162 extern OCTAVE_API Range operator * (const Range& r, double x);
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163
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164 #endif