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25 //
26 /*
27 * ============================================================================
28 *
29 * Filename: CexmcAngularRange.cc
30 *
31 * Description: angular range object
32 *
33 * Version: 1.0
34 * Created: 28.12.2009 22:35:07
35 * Revision: none
36 * Compiler: gcc
37 *
38 * Author: Alexey Radkov (),
39 * Company: PNPI
40 *
41 * ============================================================================
42 */
43
44 #include <algorithm>
45 #include <iostream>
46 #include <iomanip>
47 #include <cmath>
48 #include "CexmcAngularRange.hh"
49
50
51 void GetNormalizedAngularRange( const CexmcAngularRangeList & src,
52 CexmcAngularRangeList & dst )
53 {
54 dst = src;
55 if ( dst.size() < 2 )
56 return;
57
58 std::sort( dst.begin(), dst.end() );
59
60 const G4double epsilon( 1E-7 );
61
62 for ( CexmcAngularRangeList::iterator k( dst.begin() + 1 );
63 k != dst.end(); )
64 {
65 if ( std::fabs( k->top - ( k - 1 )->top ) < epsilon ||
66 k->bottom + epsilon >= ( k - 1 )->bottom )
67 {
68 k = dst.erase( k );
69 continue;
70 }
71 if ( k->top + epsilon >= ( k - 1 )->bottom )
72 {
73 ( k - 1 )->bottom = k->bottom;
74 k = dst.erase( k );
75 continue;
76 }
77 ++k;
78 }
79 }
80
81
82 void GetAngularGaps( const CexmcAngularRangeList & src,
83 CexmcAngularRangeList & dst )
84 {
85 if ( src.empty() )
86 {
87 dst.push_back( CexmcAngularRange( 1.0, -1.0 , 0 ) );
88 return;
89 }
90
91 CexmcAngularRangeList normalizedAngularRanges;
92 GetNormalizedAngularRange( src, normalizedAngularRanges );
93
94 G4int index( 0 );
95 if ( normalizedAngularRanges[ 0 ].top < 1.0 )
96 dst.push_back( CexmcAngularRange(
97 1.0, normalizedAngularRanges[ 0 ].top, index++ ) );
98
99 for ( CexmcAngularRangeList::iterator
100 k( normalizedAngularRanges.begin() );
101 k != normalizedAngularRanges.end(); ++k )
102 {
103 if ( k + 1 == normalizedAngularRanges.end() )
104 break;
105 dst.push_back( CexmcAngularRange(
106 k->bottom, ( k + 1 )->top, index++ ) );
107 }
108
109 if ( normalizedAngularRanges.back().bottom > -1.0 )
110 dst.push_back( CexmcAngularRange(
111 normalizedAngularRanges.back().bottom, -1.0, index ) );
112 }
113
114
115 std::ostream & operator<<( std::ostream & out,
116 const CexmcAngularRange & angularRange )
117 {
118 std::ostream::fmtflags savedFlags( out.flags() );
119 std::streamsize prec( out.precision() );
120
121 out.precision( 4 );
122 out.flags( std::ios::fixed );
123
124 out << std::setw( 2 ) << angularRange.index + 1 << " [" << std::setw( 7 ) <<
125 angularRange.top << ", " << std::setw( 7 ) << angularRange.bottom <<
126 ")";
127
128 out.precision( prec );
129 out.flags( savedFlags );
130
131 return out;
132 }
133
134
135 std::ostream & operator<<( std::ostream & out,
136 const CexmcAngularRangeList & angularRanges )
137 {
138 out << std::endl;
139 for ( CexmcAngularRangeList::const_iterator k( angularRanges.begin() );
140 k != angularRanges.end(); ++k )
141 {
142 out << " " << *k << std::endl;
143 }
144
145 return out;
146 }
147
148