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1 | /****************************************************************************/ |
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2 | /* VECTDEFS.H: definitions from vectmath.h, separated for programs which */ |
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3 | /* need to define vectors without loading the whole mess of definitions. */ |
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4 | /* Copyright (c) 1999 by Joshua E. Barnes, Tokyo, JAPAN. */ |
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5 | /****************************************************************************/ |
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6 | |
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7 | #ifndef _vectdefs_h |
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8 | #define _vectdefs_h |
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9 | |
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10 | #if !defined(NDIM) && !defined(TWODIM) && !defined(THREEDIM) |
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11 | #define THREEDIM /* supply default dimensions */ |
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12 | #endif |
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13 | |
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14 | #if defined(THREEDIM) || (NDIM==3) |
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15 | #undef TWODIM |
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16 | #define THREEDIM |
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17 | #define NDIM 3 |
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18 | #endif |
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19 | |
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20 | #if defined(TWODIM) || (NDIM==2) |
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21 | #undef THREEDIM |
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22 | #define TWODIM |
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23 | #define NDIM 2 |
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24 | #endif |
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25 | |
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26 | typedef real vector[NDIM]; |
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27 | typedef real matrix[NDIM][NDIM]; |
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28 | |
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29 | #endif /* ! _vectdefs_h */ |
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