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1 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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2 | // |
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3 | // This file is part of Open CASCADE Technology software library. |
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4 | // |
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5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
9 | // distribution for complete text of the license and disclaimer of any warranty. |
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10 | // |
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11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
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13 | |
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14 | //======================================================================= |
15 | //function : HashCode |
16 | //purpose : |
17 | //======================================================================= |
18 | inline Standard_Integer STEPConstruct_PointHasher::HashCode |
19 | (const gp_Pnt& point, const Standard_Integer Upper) |
20 | { |
21 | union |
22 | { |
23 | Standard_Real R[3]; |
24 | Standard_Integer I[6]; |
25 | } U; |
26 | |
27 | point.Coord(U.R[0],U.R[1],U.R[2]); |
28 | |
29 | return ::HashCode(U.I[0]/23+U.I[1]/19+U.I[2]/17+U.I[3]/13+U.I[4]/11+U.I[5]/7,Upper); |
30 | // return ::HashCode((U.I[0]>>4)+(U.I[1]>>3)+(U.I[2]>>2)+(U.I[3]>>1)+(U.I[4]>>4)+(U.I[5]>>3),Upper); |
31 | |
32 | } |
33 | |