1 | /*************************************************************************/ |
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2 | /* */ |
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3 | /* Definitions used in C4.5 */ |
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4 | /* ------------------------ */ |
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5 | /* */ |
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6 | /*************************************************************************/ |
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7 | |
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8 | |
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9 | #include <stdio.h> |
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10 | #include <math.h> |
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11 | |
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12 | #define Eof EOF /*char read on end of file*/ |
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13 | #define Nil 0 /*null pointer*/ |
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14 | #define false 0 |
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15 | #define true 1 |
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16 | #define None -1 |
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17 | #define Epsilon 1E-3 |
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18 | |
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19 | long random(); |
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20 | #define Random ((random()&2147483647) / 2147483648.0) |
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21 | |
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22 | #define Max(a,b) ((a)>(b) ? a : b) |
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23 | #define Min(a,b) ((a)<(b) ? a : b) |
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24 | #define Round(x) ((int) (x+0.5)) |
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25 | #define Log2 0.69314718055994530942 |
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26 | #define Log(x) ((x) <= 0 ? 0.0 : log((float)x) / Log2) |
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27 | |
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28 | #define Bit(b) (1 << (b)) |
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29 | #define In(b,s) ((s[(b) >> 3]) & Bit((b) & 07)) |
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30 | #define ClearBits(n,s) memset(s,0,n) |
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31 | #define CopyBits(n,f,t) memcpy(t,f,n) |
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32 | #define SetBit(b,s) (s[(b) >> 3] |= Bit((b) & 07)) |
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33 | |
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34 | #define ForEach(v,f,l) for(v=f ; v<=l ; ++v) |
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35 | |
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36 | #define Verbosity(d) if(VERBOSITY >= d) |
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37 | |
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38 | #define Check(v,l,h)\ |
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39 | if ( v<l||v>h ) {printf("\t** illegal value **\n"); exit(1);} |
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