Mercurial > hg > octave-lyh
annotate liboctave/EIG.h @ 10396:a0b51ac0f88a
optimize accumdim with summation
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Fri, 05 Mar 2010 12:31:30 +0100 |
| parents | cbc402e64d83 |
| children | 367bfee35ba0 |
| rev | line source |
|---|---|
| 462 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1994, 1995, 1996, 1997, 2000, 2002, 2004, 2005, 2006, |
| 8920 | 4 2007, 2008 John W. Eaton |
| 462 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 462 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 462 | 21 |
| 22 */ | |
| 23 | |
| 24 #if !defined (octave_EIG_h) | |
| 25 #define octave_EIG_h 1 | |
| 26 | |
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27 #include <iosfwd> |
| 462 | 28 |
| 29 #include "dMatrix.h" | |
| 30 #include "CMatrix.h" | |
| 31 #include "CColVector.h" | |
| 32 | |
| 1867 | 33 class |
| 6108 | 34 OCTAVE_API |
| 1867 | 35 EIG |
| 462 | 36 { |
| 37 friend class Matrix; | |
| 38 friend class ComplexMatrix; | |
| 39 | |
| 40 public: | |
| 41 | |
| 1867 | 42 EIG (void) |
| 43 : lambda (), v () { } | |
| 462 | 44 |
| 4725 | 45 EIG (const Matrix& a, bool calc_eigenvectors = true) |
| 46 { init (a, calc_eigenvectors); } | |
| 1867 | 47 |
| 5275 | 48 EIG (const Matrix& a, octave_idx_type& info, bool calc_eigenvectors = true) |
| 4725 | 49 { info = init (a, calc_eigenvectors); } |
| 1528 | 50 |
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51 EIG (const Matrix& a, const Matrix& b, bool calc_eigenvectors = true) |
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52 { init (a, b, calc_eigenvectors); } |
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53 |
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54 EIG (const Matrix& a, const Matrix& b, octave_idx_type& info, bool calc_eigenvectors = true) |
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55 { info = init (a, b, calc_eigenvectors); } |
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56 |
| 4725 | 57 EIG (const ComplexMatrix& a, bool calc_eigenvectors = true) |
| 58 { init (a, calc_eigenvectors); } | |
| 1867 | 59 |
| 5275 | 60 EIG (const ComplexMatrix& a, octave_idx_type& info, bool calc_eigenvectors = true) |
| 4725 | 61 { info = init (a, calc_eigenvectors); } |
| 462 | 62 |
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63 EIG (const ComplexMatrix& a, const ComplexMatrix& b, bool calc_eigenvectors = true) |
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64 { init (a, b, calc_eigenvectors); } |
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65 |
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66 EIG (const ComplexMatrix& a, const ComplexMatrix& b, octave_idx_type& info, bool calc_eigenvectors = true) |
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67 { info = init (a, b, calc_eigenvectors); } |
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68 |
| 1528 | 69 EIG (const EIG& a) |
| 1867 | 70 : lambda (a.lambda), v (a.v) { } |
| 462 | 71 |
| 1528 | 72 EIG& operator = (const EIG& a) |
| 73 { | |
| 1867 | 74 if (this != &a) |
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75 { |
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76 lambda = a.lambda; |
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77 v = a.v; |
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78 } |
| 1528 | 79 return *this; |
| 80 } | |
| 81 | |
| 1934 | 82 ~EIG (void) { } |
| 83 | |
| 1528 | 84 ComplexColumnVector eigenvalues (void) const { return lambda; } |
| 85 | |
| 86 ComplexMatrix eigenvectors (void) const { return v; } | |
| 462 | 87 |
| 3504 | 88 friend std::ostream& operator << (std::ostream& os, const EIG& a); |
| 462 | 89 |
| 90 private: | |
| 91 | |
| 1867 | 92 ComplexColumnVector lambda; |
| 93 ComplexMatrix v; | |
| 94 | |
| 5275 | 95 octave_idx_type init (const Matrix& a, bool calc_eigenvectors); |
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96 octave_idx_type init (const Matrix& a, const Matrix& b, bool calc_eigenvectors); |
| 5275 | 97 octave_idx_type init (const ComplexMatrix& a, bool calc_eigenvectors); |
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98 octave_idx_type init (const ComplexMatrix& a, const ComplexMatrix& b, bool calc_eigenvectors); |
| 2815 | 99 |
| 5275 | 100 octave_idx_type symmetric_init (const Matrix& a, bool calc_eigenvectors); |
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101 octave_idx_type symmetric_init (const Matrix& a, const Matrix& b, bool calc_eigenvectors); |
| 5275 | 102 octave_idx_type hermitian_init (const ComplexMatrix& a, bool calc_eigenvectors); |
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103 octave_idx_type hermitian_init (const ComplexMatrix& a, const ComplexMatrix& b, bool calc_eigenvectors); |
| 462 | 104 }; |
| 105 | |
| 106 #endif |