Mercurial > octave-nkf
annotate liboctave/Sparse-C.cc @ 7961:a5d1e27ee1f4 ss-3-1-51
3.1.51 snapshot
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Tue, 22 Jul 2008 11:40:48 -0400 |
| parents | ff9c2bb7abc7 |
| children | 06b9903a029b |
| rev | line source |
|---|---|
| 5164 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 2004, 2005, 2007 David Bateman |
| 7016 | 4 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Andy Adler |
| 5 | |
| 6 This file is part of Octave. | |
| 5164 | 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. | |
| 5164 | 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/>. | |
| 5164 | 21 |
| 22 */ | |
| 23 | |
| 24 #ifdef HAVE_CONFIG_H | |
| 25 #include <config.h> | |
| 26 #endif | |
| 27 | |
| 28 // Instantiate Sparse matrix of complex values. | |
| 29 | |
| 30 #include "oct-cmplx.h" | |
| 7433 | 31 #include "lo-mappers.h" |
| 32 #include "lo-ieee.h" | |
| 5164 | 33 #include "Sparse.h" |
| 34 #include "Sparse.cc" | |
| 35 | |
| 7433 | 36 |
| 37 static double | |
| 38 xabs (const Complex& x) | |
| 39 { | |
| 40 return (xisinf (x.real ()) || xisinf (x.imag ())) ? octave_Inf : abs (x); | |
| 41 } | |
| 42 | |
| 43 static bool | |
| 44 operator < (const Complex& a, const Complex& b) | |
| 45 { | |
| 46 return (xisnan (b) || (xabs (a) < xabs (b)) | |
| 47 || ((xabs (a) == xabs (b)) && (arg (a) < arg (b)))); | |
| 48 } | |
| 49 | |
| 50 static bool | |
| 51 operator > (const Complex& a, const Complex& b) | |
| 52 { | |
| 53 return (xisnan (a) || (xabs (a) > xabs (b)) | |
| 54 || ((xabs (a) == xabs (b)) && (arg (a) > arg (b)))); | |
| 55 } | |
| 56 | |
|
7549
ff9c2bb7abc7
workaround to enable compiling with Intel C++ 10.1
Jaroslav Hajek <highegg@gmail.com>
parents:
7470
diff
changeset
|
57 // This file must be included after the < and > operators are |
|
ff9c2bb7abc7
workaround to enable compiling with Intel C++ 10.1
Jaroslav Hajek <highegg@gmail.com>
parents:
7470
diff
changeset
|
58 // defined to avoid errors with the Intel C++ compiler. |
|
ff9c2bb7abc7
workaround to enable compiling with Intel C++ 10.1
Jaroslav Hajek <highegg@gmail.com>
parents:
7470
diff
changeset
|
59 #include "oct-sort.cc" |
|
ff9c2bb7abc7
workaround to enable compiling with Intel C++ 10.1
Jaroslav Hajek <highegg@gmail.com>
parents:
7470
diff
changeset
|
60 |
| 7433 | 61 template <> |
| 62 bool | |
| 63 sparse_ascending_compare (Complex a, Complex b) | |
| 64 { | |
| 65 return (xisnan (b) || (xabs (a) < xabs (b)) | |
| 66 || ((xabs (a) == xabs (b)) && (arg (a) < arg (b)))); | |
| 67 } | |
| 68 | |
| 69 template <> | |
| 70 bool | |
| 71 sparse_ascending_compare (vec_index<Complex> *a, vec_index<Complex> *b) | |
| 72 { | |
| 73 return (xisnan (b->vec) | |
| 74 || (xabs (a->vec) < xabs (b->vec)) | |
| 75 || ((xabs (a->vec) == xabs (b->vec)) | |
| 76 && (arg (a->vec) < arg (b->vec)))); | |
| 77 } | |
| 78 | |
| 79 template <> | |
| 80 bool | |
| 81 sparse_descending_compare (Complex a, Complex b) | |
| 82 { | |
| 83 return (xisnan (a) || (xabs (a) > xabs (b)) | |
| 84 || ((xabs (a) == xabs (b)) && (arg (a) > arg (b)))); | |
| 85 } | |
| 86 | |
| 87 template <> | |
| 88 bool | |
| 89 sparse_descending_compare (vec_index<Complex> *a, vec_index<Complex> *b) | |
| 90 { | |
| 91 return (xisnan (a->vec) | |
| 92 || (xabs (a->vec) > xabs (b->vec)) | |
| 93 || ((xabs (a->vec) == xabs (b->vec)) | |
| 94 && (arg (a->vec) > arg (b->vec)))); | |
| 95 } | |
| 96 | |
| 6708 | 97 INSTANTIATE_SPARSE_AND_ASSIGN (Complex, OCTAVE_API); |
| 5164 | 98 |
| 6708 | 99 INSTANTIATE_SPARSE_ASSIGN (Complex, double, OCTAVE_API); |
| 5164 | 100 |
| 101 #if 0 | |
| 102 template std::ostream& operator << (std::ostream&, const Sparse<Complex>&); | |
| 103 #endif | |
| 104 | |
| 105 /* | |
| 106 ;;; Local Variables: *** | |
| 107 ;;; mode: C++ *** | |
| 108 ;;; End: *** | |
| 109 */ |