1 | /* |
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2 | *---------------------------------------------------------------------------- |
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3 | * Modification Log: |
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4 | * ----------------- |
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5 | * .02 2003-04-29 YK Wu, Duke University, wu@fel.duke.edu |
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6 | * use scientific notation for constants |
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7 | * |
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8 | * .01 2003-04-28 YK Wu, Duke University, wu@fel.duke.edu |
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9 | * header file for gwig.c |
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10 | *---------------------------------------------------------------------------- |
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11 | * Accelerator Physics Group, Duke FEL Lab, www.fel.duke.edu |
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12 | */ |
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13 | |
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14 | #define WHmax 200 |
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15 | #define GWIG_EPS (1e-6) |
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16 | |
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17 | static const int Elem_Entrance = 1; |
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18 | static const int Elem_Exit =-1; |
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19 | |
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20 | static const double q_e = 1.602176462e-19; /* electron charge, [C] */ |
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21 | static const double m_e = 9.10938188e-31; /* electron mass, [kg] */ |
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22 | static const double clight = 2.99792458e8; /* speed of light [m/s] */ |
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23 | static const double r_e = 2.817940285e-15; /* electron classic radius,[m]*/ |
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24 | static const double XMC2 = 0.510998902e-03; /* mc^2 in GeV */ |
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25 | static const double PI = 3.141592653589793238462643383279502884197e0; |
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26 | |
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27 | struct gwig{ |
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28 | int Pmethod; /* Integration Method */ |
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29 | int PN; /* Number of integration steps */ |
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30 | double E0; /* Energy of ring, [GeV] */ |
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31 | double PB0; /* B0 in [Tesla] */ |
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32 | int Nw; /* Number of periods */ |
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33 | double Lw; /* Wiggler Period [m] */ |
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34 | int NHharm; /* No. of horizontal harmonics */ |
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35 | int NVharm; /* No. of vertical harmonics */ |
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36 | double Aw; /* Wiggler parameter */ |
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37 | double Zw; /* Longitudinal variable [m] */ |
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38 | |
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39 | double HCw[WHmax]; |
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40 | double VCw[WHmax]; |
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41 | double HCw_raw[WHmax]; |
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42 | double VCw_raw[WHmax]; |
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43 | double Hkx[WHmax]; |
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44 | double Hky[WHmax]; |
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45 | double Hkz[WHmax]; |
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46 | double Htz[WHmax]; |
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47 | double Vkx[WHmax]; |
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48 | double Vky[WHmax]; |
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49 | double Vkz[WHmax]; |
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50 | double Vtz[WHmax]; |
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51 | }; |
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52 | |
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