1 | #include "base.h" |
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2 | |
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3 | #ifndef __CTYPE_H |
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4 | #include <ctype.h> |
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5 | #endif |
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6 | |
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7 | char helixBaseChar[BASECHARS] = { 'A', 'C', 'G', 'T', '=' }, |
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8 | loopBaseChar[BASECHARS] = { 'a', 'c', 'g', 't', '-' }; |
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9 | |
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10 | int basesArePairing[BASECHARS][BASECHARS] = |
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11 | { |
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12 | |
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13 | /* A C G T - */ |
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14 | |
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15 | { 0, 0, 0, 1, 0 }, /* A */ |
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16 | { 0, 0, 1, 0, 0 }, /* C */ |
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17 | { 0, 1, 0, 0, 0 }, /* G */ |
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18 | { 1, 0, 0, 0, 0 }, /* T */ |
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19 | { 0, 0, 0, 0, 0 }, /* - */ |
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20 | }; |
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21 | |
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22 | int baseCharType[MAXBASECHAR+1], |
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23 | charIsDelete[MAXBASECHAR+1], |
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24 | charIsHelical[MAXBASECHAR+1]; |
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25 | |
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26 | /* -------------------------------------------------------------------------- */ |
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27 | /* void initBaseLookups(void) */ |
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28 | /* ------------------------------------------------------ 25.05.95 02.07 ---- */ |
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29 | void initBaseLookups(void) |
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30 | { |
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31 | int b; |
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32 | |
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33 | for (b = 0; b<MAXBASECHAR; b++) |
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34 | { |
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35 | baseCharType[b] = -1; |
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36 | charIsDelete[b] = 0; |
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37 | charIsHelical[b] = 0; |
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38 | } |
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39 | |
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40 | for (b = 0; b<BASECHARS; b++) |
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41 | { |
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42 | int c1 = helixBaseChar[b], |
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43 | c2 = loopBaseChar[b]; |
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44 | |
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45 | assert(c1<=MAXBASECHAR); |
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46 | assert(c2<=MAXBASECHAR); |
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47 | |
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48 | baseCharType[c1] = b; |
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49 | baseCharType[c2] = b; |
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50 | charIsHelical[c1] = 1; |
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51 | } |
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52 | } |
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