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9da38871 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | //____________________________________________________________________ | |
19 | // | |
20 | // Base class for caches of per-strip information. | |
21 | // This is used to index a strip. | |
22 | // Data stored depends on derived class. | |
23 | // This class provides some common infra-structure. | |
24 | // Derived classes sould define Reset, and operator(). | |
25 | // | |
26 | #include "AliFMDMap.h" // ALIFMDMAP_H | |
27 | #include "AliLog.h" | |
28 | ||
29 | //____________________________________________________________________ | |
30 | ClassImp(AliFMDMap) | |
31 | #if 0 | |
32 | ; // This is here to keep Emacs for indenting the next line | |
33 | #endif | |
34 | ||
35 | //____________________________________________________________________ | |
36 | AliFMDMap::AliFMDMap(size_t maxDet, | |
37 | size_t maxRing, | |
38 | size_t maxSec, | |
39 | size_t maxStr) | |
40 | : fMaxDetectors(maxDet), | |
41 | fMaxRings(maxRing), | |
42 | fMaxSectors(maxSec), | |
43 | fMaxStrips(maxStr) | |
44 | { | |
45 | // Construct a map | |
46 | // | |
47 | // Parameters: | |
48 | // maxDet Maximum # of detectors | |
49 | // maxRinf Maximum # of rings | |
50 | // maxSec Maximum # of sectors | |
51 | // maxStr Maximum # of strips | |
52 | } | |
53 | ||
54 | //____________________________________________________________________ | |
55 | Int_t | |
56 | AliFMDMap::CheckIndex(size_t det, Char_t ring, size_t sec, size_t str) const | |
57 | { | |
58 | // Check that the index supplied is OK. Returns true index, or -1 | |
59 | // on error. | |
ac07a8f5 | 60 | if (det < 1) return -1; |
9da38871 | 61 | size_t ringi = (ring == 'I' || ring == 'i' ? 0 : 1); |
62 | size_t idx = | |
63 | (str + fMaxStrips * (sec + fMaxSectors * (ringi + fMaxRings * (det-1)))); | |
ac07a8f5 | 64 | if (idx >= fMaxDetectors * fMaxRings * fMaxSectors * fMaxStrips) return -1; |
9da38871 | 65 | return idx; |
66 | } | |
67 | ||
68 | ||
69 | //____________________________________________________________________ | |
70 | size_t | |
71 | AliFMDMap::CalcIndex(size_t det, Char_t ring, size_t sec, size_t str) const | |
72 | { | |
73 | // Calculate index into storage from arguments. | |
74 | // | |
75 | // Parameters: | |
76 | // det Detector # | |
77 | // ring Ring ID | |
78 | // sec Sector # | |
79 | // str Strip # | |
80 | // | |
81 | // Returns appropriate index into storage | |
82 | // | |
83 | Int_t idx = CheckIndex(det, ring, sec, str); | |
84 | if (idx < 0) { | |
85 | size_t ringi = (ring == 'I' || ring == 'i' ? 0 : 1); | |
86 | AliFatal(Form("Index (%d,'%c',%d,%d) out of bounds, " | |
87 | "in particular the %s index ", | |
88 | det, ring, sec, str, | |
89 | (det > fMaxDetectors ? "Detector" : | |
90 | (ringi >= fMaxRings ? "Ring" : | |
91 | (sec >= fMaxSectors ? "Sector" : "Strip"))))); | |
92 | return 0; | |
93 | } | |
94 | return size_t(idx); | |
95 | } | |
96 | ||
97 | ||
98 | //___________________________________________________________________ | |
99 | // | |
100 | // EOF | |
101 | // |