[2] | 1 | /************************************************************** ggt-head beg |
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| 2 | * |
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| 3 | * GGT: Generic Graphics Toolkit |
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| 4 | * |
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| 5 | * Original Authors: |
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| 6 | * Allen Bierbaum |
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| 7 | * |
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| 8 | * ----------------------------------------------------------------- |
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| 9 | * File: AABoxOps.h,v |
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| 10 | * Date modified: 2003/03/17 02:14:48 |
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| 11 | * Version: 1.5 |
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| 12 | * ----------------------------------------------------------------- |
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| 13 | * |
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| 14 | *********************************************************** ggt-head end */ |
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| 15 | /*************************************************************** ggt-cpr beg |
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| 16 | * |
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| 17 | * GGT: The Generic Graphics Toolkit |
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| 18 | * Copyright (C) 2001,2002 Allen Bierbaum |
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| 19 | * |
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| 20 | * This library is free software; you can redistribute it and/or |
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| 21 | * modify it under the terms of the GNU Lesser General Public |
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| 22 | * License as published by the Free Software Foundation; either |
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| 23 | * version 2.1 of the License, or (at your option) any later version. |
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| 24 | * |
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| 25 | * This library is distributed in the hope that it will be useful, |
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| 26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 28 | * Lesser General Public License for more details. |
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| 29 | * |
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| 30 | * You should have received a copy of the GNU Lesser General Public |
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| 31 | * License along with this library; if not, write to the Free Software |
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| 32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 33 | * |
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| 34 | ************************************************************ ggt-cpr end */ |
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| 35 | #ifndef _GMTL_AABOXOPS_H_ |
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| 36 | #define _GMTL_AABOXOPS_H_ |
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| 37 | |
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| 38 | #include <gmtl/AABox.h> |
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| 39 | #include <gmtl/VecOps.h> |
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| 40 | |
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| 41 | namespace gmtl |
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| 42 | { |
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| 43 | |
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| 44 | /** @ingroup Compare AABox |
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| 45 | * @name AABox Comparitors |
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| 46 | * @{ |
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| 47 | */ |
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| 48 | |
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| 49 | /** |
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| 50 | * Compare two AABoxes to see if they are EXACTLY the same. In other words, |
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| 51 | * this comparison is done with zero tolerance. |
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| 52 | * |
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| 53 | * @param b1 the first box to compare |
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| 54 | * @param b2 the second box to compare |
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| 55 | * |
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| 56 | * @return true if they are equal, false otherwise |
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| 57 | */ |
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| 58 | template< class DATA_TYPE > |
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| 59 | inline bool operator==( const AABox<DATA_TYPE>& b1, const AABox<DATA_TYPE>& b2 ) |
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| 60 | { |
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| 61 | return ( (b1.isEmpty() == b2.isEmpty()) && |
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| 62 | (b1.getMin() == b2.getMin()) && |
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| 63 | (b1.getMax() == b2.getMax()) ); |
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| 64 | } |
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| 65 | |
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| 66 | /** |
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| 67 | * Compare two AABoxes to see if they are not EXACTLY the same. In other words, |
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| 68 | * this comparison is done with zero tolerance. |
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| 69 | * |
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| 70 | * @param b1 the first box to compare |
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| 71 | * @param b2 the second box to compare |
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| 72 | * |
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| 73 | * @return true if they are not equal, false otherwise |
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| 74 | */ |
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| 75 | template< class DATA_TYPE > |
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| 76 | inline bool operator!=( const AABox<DATA_TYPE>& b1, const AABox<DATA_TYPE>& b2 ) |
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| 77 | { |
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| 78 | return (! (b1 == b2)); |
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| 79 | } |
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| 80 | |
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| 81 | /** |
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| 82 | * Compare two AABoxes to see if they are the same within the given tolerance. |
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| 83 | * |
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| 84 | * @param b1 the first box to compare |
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| 85 | * @param b2 the second box to compare |
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| 86 | * @param eps the tolerance value to use |
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| 87 | * |
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| 88 | * @pre eps must be >= 0 |
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| 89 | * |
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| 90 | * @return true if their points are within the given tolerance of each other, false otherwise |
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| 91 | */ |
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| 92 | template< class DATA_TYPE > |
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| 93 | inline bool isEqual( const AABox<DATA_TYPE>& b1, const AABox<DATA_TYPE>& b2, const DATA_TYPE& eps ) |
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| 94 | { |
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| 95 | gmtlASSERT( eps >= 0 ); |
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| 96 | return (b1.isEmpty() == b2.isEmpty()) && |
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| 97 | isEqual( b1.getMin(), b2.getMin(), eps ) && |
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| 98 | isEqual( b1.getMax(), b2.getMax(), eps ); |
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| 99 | } |
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| 100 | /** @} */ |
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| 101 | |
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| 102 | } |
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| 103 | |
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| 104 | #endif |
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| 105 | |
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