[35aab3] | 1 | // ---------------------------------------------------------------------------- |
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| 2 | // multicnt.cc |
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| 3 | // begin of file |
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| 4 | // Stephan Endrass, endrass@mathematik.uni-mainz.de |
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| 5 | // 23.7.99 |
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| 6 | // ---------------------------------------------------------------------------- |
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| 7 | |
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| 8 | #define MULTICNT_CC |
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| 9 | |
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| 10 | #include "mod2.h" |
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| 11 | |
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| 12 | #ifdef HAVE_SPECTRUM |
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| 13 | |
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| 14 | #include <stdlib.h> |
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| 15 | |
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| 16 | #ifdef MULTICNT_PRINT |
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| 17 | #include <iostream.h> |
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| 18 | #ifndef MULTICNT_IOSTREAM |
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| 19 | #include <stdio.h> |
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| 20 | #endif |
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| 21 | #endif |
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| 22 | |
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| 23 | #include "multicnt.h" |
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| 24 | |
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| 25 | // ---------------------------------------------------------------------------- |
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| 26 | // allocate counter memory |
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| 27 | // ---------------------------------------------------------------------------- |
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| 28 | |
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| 29 | void multiCnt::copy_new( int n ) |
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| 30 | { |
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| 31 | if( n > 0 ) |
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| 32 | { |
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| 33 | cnt = new int[n]; |
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| 34 | |
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| 35 | #ifndef NDEBUG |
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| 36 | if( cnt == (int*)NULL ) |
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| 37 | { |
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| 38 | #ifdef MULTICNT_PRINT |
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| 39 | #ifdef MULTICNT_IOSTREAM |
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| 40 | cerr << "multiCnt::copy_new(" << n << ")" << endl; |
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| 41 | cerr << " returned ZERO!!!" << endl; |
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| 42 | cerr << " exit..." << endl; |
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| 43 | #else |
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| 44 | fprintf( stderr,"multiCnt::copy_new( %d )\n",n ); |
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| 45 | fprintf( stderr," returned ZERO!!!\n" ); |
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| 46 | fprintf( stderr," exit...\n" ); |
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| 47 | #endif |
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| 48 | #endif |
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| 49 | |
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| 50 | exit( 1 ); |
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| 51 | } |
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| 52 | #endif |
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| 53 | } |
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| 54 | else if( n == 0 ) |
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| 55 | { |
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| 56 | cnt = (int*)NULL; |
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| 57 | } |
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| 58 | else |
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| 59 | { |
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| 60 | #ifdef MULTICNT_PRINT |
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| 61 | #ifdef MULTICNT_IOSTREAM |
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| 62 | cerr << "multiCnt::copy_new(" << n << ")" << endl; |
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| 63 | cerr << " exit..." << endl; |
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| 64 | #else |
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| 65 | fprintf( stderr,"multiCnt::copy_new( %d )\n",n ); |
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| 66 | fprintf( stderr," exit...\n" ); |
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| 67 | #endif |
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| 68 | #endif |
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| 69 | |
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| 70 | exit( 1 ); |
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| 71 | } |
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| 72 | } |
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| 73 | |
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| 74 | // ---------------------------------------------------------------------------- |
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| 75 | // delete counter memory |
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| 76 | // ---------------------------------------------------------------------------- |
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| 77 | |
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| 78 | void multiCnt::copy_delete( void ) |
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| 79 | { |
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| 80 | if( N>0 && cnt!=(int*)NULL ) delete [] cnt; |
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| 81 | copy_zero( ); |
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| 82 | } |
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| 83 | |
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| 84 | // ---------------------------------------------------------------------------- |
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| 85 | // copy a counter |
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| 86 | // ---------------------------------------------------------------------------- |
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| 87 | |
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| 88 | void multiCnt::copy_deep( const multiCnt &C ) |
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| 89 | { |
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| 90 | copy_new( C.N ); |
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| 91 | |
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| 92 | last_inc = C.last_inc; |
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| 93 | N = C.N; |
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| 94 | |
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| 95 | for( int i=0; i<N; i++ ) |
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| 96 | { |
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| 97 | cnt[i] = C.cnt[i]; |
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| 98 | } |
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| 99 | } |
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| 100 | |
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| 101 | // ---------------------------------------------------------------------------- |
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| 102 | // set all counter entries to c |
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| 103 | // ---------------------------------------------------------------------------- |
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| 104 | |
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| 105 | void multiCnt::set( int c ) |
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| 106 | { |
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| 107 | for( int i=0; i<N; i++ ) cnt[i]=c; |
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| 108 | } |
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| 109 | |
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| 110 | |
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| 111 | // ---------------------------------------------------------------------------- |
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| 112 | // n entries zero init constructor |
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| 113 | // ---------------------------------------------------------------------------- |
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| 114 | |
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| 115 | multiCnt::multiCnt( int n ) : |
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| 116 | last_inc( 0 ) |
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| 117 | { |
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| 118 | copy_new( n ); |
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| 119 | N = n; |
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| 120 | set( 0 ); |
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| 121 | } |
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| 122 | |
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| 123 | // ---------------------------------------------------------------------------- |
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| 124 | // n entries c init constructor |
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| 125 | // ---------------------------------------------------------------------------- |
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| 126 | |
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| 127 | multiCnt::multiCnt( int n,int c ) : |
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| 128 | last_inc( 0 ) |
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| 129 | { |
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| 130 | copy_new( n ); |
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| 131 | N = n; |
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| 132 | set( c ); |
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| 133 | } |
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| 134 | |
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| 135 | // ---------------------------------------------------------------------------- |
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| 136 | // n entries c* init constructor |
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| 137 | // ---------------------------------------------------------------------------- |
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| 138 | |
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| 139 | multiCnt::multiCnt( int n,int *c ) : |
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| 140 | last_inc( 0 ) |
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| 141 | { |
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| 142 | copy_new( n ); |
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| 143 | N = n; |
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| 144 | for( int i=0; i<N; i++ ) cnt[i] = c[i]; |
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| 145 | } |
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| 146 | |
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| 147 | // ---------------------------------------------------------------------------- |
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| 148 | // increment the counter |
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| 149 | // ---------------------------------------------------------------------------- |
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| 150 | |
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| 151 | void multiCnt::inc( void ) |
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| 152 | { |
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| 153 | cnt[0]++; |
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| 154 | last_inc=0; |
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| 155 | } |
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| 156 | |
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| 157 | // ---------------------------------------------------------------------------- |
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| 158 | // decrement the counter |
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| 159 | // ---------------------------------------------------------------------------- |
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| 160 | |
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| 161 | /* |
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| 162 | void multiCnt::dec( void ) |
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| 163 | { |
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| 164 | cnt[0]--; |
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| 165 | last_inc=0; |
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| 166 | } |
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| 167 | */ |
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| 168 | |
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| 169 | // ---------------------------------------------------------------------------- |
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| 170 | // increment the counter and carry over |
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| 171 | // ---------------------------------------------------------------------------- |
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| 172 | |
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| 173 | void multiCnt::inc_carry( void ) |
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| 174 | { |
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| 175 | for( int i=0; i<=last_inc; i++ ) cnt[i] = 0; |
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| 176 | last_inc++; |
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| 177 | cnt[last_inc]++; |
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| 178 | } |
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| 179 | |
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| 180 | // ---------------------------------------------------------------------------- |
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| 181 | // decrement the counter and carry over |
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| 182 | // ---------------------------------------------------------------------------- |
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| 183 | |
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| 184 | /* |
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| 185 | void multiCnt::dec_carry( void ) |
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| 186 | { |
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| 187 | for( int i=0; i<=last_inc; i++ ) cnt[i] = 0; |
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| 188 | last_inc++; |
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| 189 | cnt[last_inc]--; |
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| 190 | } |
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| 191 | */ |
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| 192 | |
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| 193 | // ---------------------------------------------------------------------------- |
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| 194 | // increment the counter and carry over automatic |
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| 195 | // ---------------------------------------------------------------------------- |
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| 196 | |
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| 197 | int multiCnt::inc( int carry ) |
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| 198 | { |
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| 199 | if( carry==FALSE ) |
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| 200 | { |
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| 201 | inc( ); |
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| 202 | } |
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| 203 | else |
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| 204 | { |
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| 205 | if( last_inc==N-1 ) |
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| 206 | { |
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| 207 | return FALSE; |
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| 208 | } |
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| 209 | |
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| 210 | inc_carry( ); |
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| 211 | } |
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| 212 | |
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| 213 | return TRUE; |
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| 214 | } |
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| 215 | |
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| 216 | // ---------------------------------------------------------------------------- |
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| 217 | // decrement the counter and carry over automatic |
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| 218 | // ---------------------------------------------------------------------------- |
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| 219 | |
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| 220 | /* |
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| 221 | int multiCnt::dec( int carry ) |
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| 222 | { |
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| 223 | if( carry==FALSE ) |
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| 224 | { |
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| 225 | dec( ); |
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| 226 | } |
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| 227 | else |
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| 228 | { |
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| 229 | if( last_inc==N-1 ) |
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| 230 | { |
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| 231 | return FALSE; |
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| 232 | } |
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| 233 | |
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| 234 | dec_carry( ); |
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| 235 | } |
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| 236 | |
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| 237 | return TRUE; |
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| 238 | } |
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| 239 | */ |
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| 240 | |
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| 241 | #endif /* HAVE_SPECTRUM */ |
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| 242 | // ---------------------------------------------------------------------------- |
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| 243 | // multicnt.cc |
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| 244 | // end of file |
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| 245 | // ---------------------------------------------------------------------------- |
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