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1 /* |
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2 |
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3 Copyright (C) 1996, 1997 John W. Eaton |
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4 |
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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 2, or (at your option) any |
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10 later version. |
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11 |
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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, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if !defined (octave_FEGrid_h) |
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24 #define octave_FEGrid_h 1 |
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25 |
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26 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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27 #pragma interface |
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28 #endif |
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29 |
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30 #include <iostream> |
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31 |
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32 #include "dColVector.h" |
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33 |
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34 class |
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35 FEGrid |
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36 { |
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37 public: |
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38 |
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39 FEGrid (void) |
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40 : elem () { } |
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41 |
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42 FEGrid (const ColumnVector& elbnds) |
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43 : elem (elbnds) { check_grid (); } |
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44 |
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45 FEGrid (int nel, double width); |
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46 |
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47 FEGrid (int nel, double left, double right); |
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48 |
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49 FEGrid (const FEGrid& a) |
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50 : elem (a.elem) { } |
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51 |
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52 FEGrid& operator = (const FEGrid& a) |
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53 { |
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54 if (this != &a) |
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55 elem = a.elem; |
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56 |
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57 return *this; |
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58 } |
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59 |
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60 ~FEGrid (void) { } |
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61 |
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62 int element (double x) const; |
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63 |
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64 double left (void) const { return elem.elem (0); } |
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65 |
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66 double right (void) const { return elem.elem (elem.capacity () - 1); } |
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67 |
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68 int in_bounds (double x) const { return (x >= left () && x <= right ()); } |
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69 |
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70 ColumnVector element_boundaries (void) const { return elem; } |
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71 |
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72 friend std::ostream& operator << (std::ostream&, const FEGrid&); |
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73 |
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74 protected: |
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75 |
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76 ColumnVector elem; |
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77 |
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78 private: |
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79 |
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80 void error (const char* msg) const; |
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81 void nel_error (void) const; |
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82 |
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83 void check_grid (void) const; |
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84 }; |
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85 |
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86 #endif |
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87 |
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88 /* |
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89 ;;; Local Variables: *** |
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90 ;;; mode: C++ *** |
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91 ;;; End: *** |
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92 */ |
