[35aab3] | 1 | // ---------------------------------------------------------------------------- |
---|
| 2 | // multicnt.cc |
---|
| 3 | // begin of file |
---|
| 4 | // Stephan Endrass, endrass@mathematik.uni-mainz.de |
---|
| 5 | // 23.7.99 |
---|
| 6 | // ---------------------------------------------------------------------------- |
---|
| 7 | |
---|
| 8 | #define MULTICNT_CC |
---|
| 9 | |
---|
[16f511] | 10 | #ifdef HAVE_CONFIG_H |
---|
[ba5e9e] | 11 | #include "singularconfig.h" |
---|
[16f511] | 12 | #endif /* HAVE_CONFIG_H */ |
---|
[599326] | 13 | #include <kernel/mod2.h> |
---|
[35aab3] | 14 | |
---|
| 15 | #ifdef HAVE_SPECTRUM |
---|
| 16 | |
---|
| 17 | #include <stdlib.h> |
---|
| 18 | |
---|
| 19 | #ifdef MULTICNT_PRINT |
---|
| 20 | #include <iostream.h> |
---|
| 21 | #ifndef MULTICNT_IOSTREAM |
---|
| 22 | #include <stdio.h> |
---|
| 23 | #endif |
---|
| 24 | #endif |
---|
| 25 | |
---|
[599326] | 26 | #include <kernel/multicnt.h> |
---|
[35aab3] | 27 | |
---|
| 28 | // ---------------------------------------------------------------------------- |
---|
| 29 | // allocate counter memory |
---|
| 30 | // ---------------------------------------------------------------------------- |
---|
| 31 | |
---|
| 32 | void multiCnt::copy_new( int n ) |
---|
| 33 | { |
---|
| 34 | if( n > 0 ) |
---|
| 35 | { |
---|
| 36 | cnt = new int[n]; |
---|
| 37 | |
---|
| 38 | #ifndef NDEBUG |
---|
| 39 | if( cnt == (int*)NULL ) |
---|
| 40 | { |
---|
| 41 | #ifdef MULTICNT_PRINT |
---|
| 42 | #ifdef MULTICNT_IOSTREAM |
---|
| 43 | cerr << "multiCnt::copy_new(" << n << ")" << endl; |
---|
| 44 | cerr << " returned ZERO!!!" << endl; |
---|
| 45 | cerr << " exit..." << endl; |
---|
| 46 | #else |
---|
| 47 | fprintf( stderr,"multiCnt::copy_new( %d )\n",n ); |
---|
| 48 | fprintf( stderr," returned ZERO!!!\n" ); |
---|
| 49 | fprintf( stderr," exit...\n" ); |
---|
| 50 | #endif |
---|
| 51 | #endif |
---|
| 52 | |
---|
| 53 | exit( 1 ); |
---|
| 54 | } |
---|
| 55 | #endif |
---|
| 56 | } |
---|
| 57 | else if( n == 0 ) |
---|
| 58 | { |
---|
| 59 | cnt = (int*)NULL; |
---|
| 60 | } |
---|
| 61 | else |
---|
| 62 | { |
---|
| 63 | #ifdef MULTICNT_PRINT |
---|
| 64 | #ifdef MULTICNT_IOSTREAM |
---|
| 65 | cerr << "multiCnt::copy_new(" << n << ")" << endl; |
---|
| 66 | cerr << " exit..." << endl; |
---|
| 67 | #else |
---|
| 68 | fprintf( stderr,"multiCnt::copy_new( %d )\n",n ); |
---|
| 69 | fprintf( stderr," exit...\n" ); |
---|
| 70 | #endif |
---|
| 71 | #endif |
---|
| 72 | |
---|
| 73 | exit( 1 ); |
---|
| 74 | } |
---|
| 75 | } |
---|
| 76 | |
---|
| 77 | // ---------------------------------------------------------------------------- |
---|
| 78 | // delete counter memory |
---|
| 79 | // ---------------------------------------------------------------------------- |
---|
| 80 | |
---|
| 81 | void multiCnt::copy_delete( void ) |
---|
| 82 | { |
---|
| 83 | if( N>0 && cnt!=(int*)NULL ) delete [] cnt; |
---|
| 84 | copy_zero( ); |
---|
| 85 | } |
---|
| 86 | |
---|
| 87 | // ---------------------------------------------------------------------------- |
---|
| 88 | // copy a counter |
---|
| 89 | // ---------------------------------------------------------------------------- |
---|
| 90 | |
---|
| 91 | void multiCnt::copy_deep( const multiCnt &C ) |
---|
| 92 | { |
---|
| 93 | copy_new( C.N ); |
---|
| 94 | |
---|
| 95 | last_inc = C.last_inc; |
---|
| 96 | N = C.N; |
---|
| 97 | |
---|
| 98 | for( int i=0; i<N; i++ ) |
---|
| 99 | { |
---|
| 100 | cnt[i] = C.cnt[i]; |
---|
| 101 | } |
---|
| 102 | } |
---|
| 103 | |
---|
| 104 | // ---------------------------------------------------------------------------- |
---|
| 105 | // set all counter entries to c |
---|
| 106 | // ---------------------------------------------------------------------------- |
---|
| 107 | |
---|
| 108 | void multiCnt::set( int c ) |
---|
| 109 | { |
---|
| 110 | for( int i=0; i<N; i++ ) cnt[i]=c; |
---|
| 111 | } |
---|
| 112 | |
---|
| 113 | |
---|
| 114 | // ---------------------------------------------------------------------------- |
---|
| 115 | // n entries zero init constructor |
---|
| 116 | // ---------------------------------------------------------------------------- |
---|
| 117 | |
---|
| 118 | multiCnt::multiCnt( int n ) : |
---|
| 119 | last_inc( 0 ) |
---|
| 120 | { |
---|
| 121 | copy_new( n ); |
---|
| 122 | N = n; |
---|
| 123 | set( 0 ); |
---|
| 124 | } |
---|
| 125 | |
---|
| 126 | // ---------------------------------------------------------------------------- |
---|
| 127 | // n entries c init constructor |
---|
| 128 | // ---------------------------------------------------------------------------- |
---|
| 129 | |
---|
| 130 | multiCnt::multiCnt( int n,int c ) : |
---|
| 131 | last_inc( 0 ) |
---|
| 132 | { |
---|
| 133 | copy_new( n ); |
---|
| 134 | N = n; |
---|
| 135 | set( c ); |
---|
| 136 | } |
---|
| 137 | |
---|
| 138 | // ---------------------------------------------------------------------------- |
---|
| 139 | // n entries c* init constructor |
---|
| 140 | // ---------------------------------------------------------------------------- |
---|
| 141 | |
---|
| 142 | multiCnt::multiCnt( int n,int *c ) : |
---|
| 143 | last_inc( 0 ) |
---|
| 144 | { |
---|
| 145 | copy_new( n ); |
---|
| 146 | N = n; |
---|
| 147 | for( int i=0; i<N; i++ ) cnt[i] = c[i]; |
---|
| 148 | } |
---|
| 149 | |
---|
| 150 | // ---------------------------------------------------------------------------- |
---|
| 151 | // increment the counter |
---|
| 152 | // ---------------------------------------------------------------------------- |
---|
| 153 | |
---|
| 154 | void multiCnt::inc( void ) |
---|
| 155 | { |
---|
| 156 | cnt[0]++; |
---|
| 157 | last_inc=0; |
---|
| 158 | } |
---|
| 159 | |
---|
| 160 | // ---------------------------------------------------------------------------- |
---|
| 161 | // decrement the counter |
---|
| 162 | // ---------------------------------------------------------------------------- |
---|
| 163 | |
---|
| 164 | /* |
---|
| 165 | void multiCnt::dec( void ) |
---|
| 166 | { |
---|
| 167 | cnt[0]--; |
---|
| 168 | last_inc=0; |
---|
| 169 | } |
---|
| 170 | */ |
---|
| 171 | |
---|
| 172 | // ---------------------------------------------------------------------------- |
---|
| 173 | // increment the counter and carry over |
---|
| 174 | // ---------------------------------------------------------------------------- |
---|
| 175 | |
---|
| 176 | void multiCnt::inc_carry( void ) |
---|
| 177 | { |
---|
| 178 | for( int i=0; i<=last_inc; i++ ) cnt[i] = 0; |
---|
| 179 | last_inc++; |
---|
| 180 | cnt[last_inc]++; |
---|
| 181 | } |
---|
| 182 | |
---|
| 183 | // ---------------------------------------------------------------------------- |
---|
| 184 | // decrement the counter and carry over |
---|
| 185 | // ---------------------------------------------------------------------------- |
---|
| 186 | |
---|
| 187 | /* |
---|
| 188 | void multiCnt::dec_carry( void ) |
---|
| 189 | { |
---|
| 190 | for( int i=0; i<=last_inc; i++ ) cnt[i] = 0; |
---|
| 191 | last_inc++; |
---|
| 192 | cnt[last_inc]--; |
---|
| 193 | } |
---|
| 194 | */ |
---|
| 195 | |
---|
| 196 | // ---------------------------------------------------------------------------- |
---|
| 197 | // increment the counter and carry over automatic |
---|
| 198 | // ---------------------------------------------------------------------------- |
---|
| 199 | |
---|
| 200 | int multiCnt::inc( int carry ) |
---|
| 201 | { |
---|
| 202 | if( carry==FALSE ) |
---|
| 203 | { |
---|
| 204 | inc( ); |
---|
| 205 | } |
---|
| 206 | else |
---|
| 207 | { |
---|
| 208 | if( last_inc==N-1 ) |
---|
| 209 | { |
---|
| 210 | return FALSE; |
---|
| 211 | } |
---|
| 212 | |
---|
| 213 | inc_carry( ); |
---|
| 214 | } |
---|
| 215 | |
---|
| 216 | return TRUE; |
---|
| 217 | } |
---|
| 218 | |
---|
| 219 | // ---------------------------------------------------------------------------- |
---|
| 220 | // decrement the counter and carry over automatic |
---|
| 221 | // ---------------------------------------------------------------------------- |
---|
| 222 | |
---|
| 223 | /* |
---|
| 224 | int multiCnt::dec( int carry ) |
---|
| 225 | { |
---|
| 226 | if( carry==FALSE ) |
---|
| 227 | { |
---|
| 228 | dec( ); |
---|
| 229 | } |
---|
| 230 | else |
---|
| 231 | { |
---|
| 232 | if( last_inc==N-1 ) |
---|
| 233 | { |
---|
| 234 | return FALSE; |
---|
| 235 | } |
---|
| 236 | |
---|
| 237 | dec_carry( ); |
---|
| 238 | } |
---|
| 239 | |
---|
| 240 | return TRUE; |
---|
| 241 | } |
---|
| 242 | */ |
---|
| 243 | |
---|
| 244 | #endif /* HAVE_SPECTRUM */ |
---|
| 245 | // ---------------------------------------------------------------------------- |
---|
| 246 | // multicnt.cc |
---|
| 247 | // end of file |
---|
| 248 | // ---------------------------------------------------------------------------- |
---|