core_shell_microgelscostrafo411magnetic_modelrelease_v0.94release_v0.95ticket-1257-vesicle-productticket_1156ticket_1265_superballticket_822_more_unit_tests
Last change
on this file since 91b8b80 was
6794301,
checked in by wojciech, 8 years ago
|
NR gamma function replaced
|
-
Property mode set to
100644
|
File size:
2.0 KB
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1 | double form_volume(double radius, double thickness); |
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2 | |
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3 | double Iq(double q, |
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4 | double radius, |
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5 | double thickness, |
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6 | double core_sld, |
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7 | double shell_sld, |
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8 | double solvent_sld, |
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9 | double volfraction, |
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10 | double frac_dim, |
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11 | double cor_length); |
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12 | |
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13 | double Iqxy(double qx, double qy, |
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14 | double radius, |
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15 | double thickness, |
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16 | double core_sld, |
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17 | double shell_sld, |
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18 | double solvent_sld, |
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19 | double volfraction, |
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20 | double frac_dim, |
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21 | double cor_length); |
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22 | |
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23 | double form_volume(double radius, double thickness) |
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24 | { |
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25 | return 4.0 * M_PI / 3.0 * pow((radius + thickness), 3); |
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26 | } |
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27 | |
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28 | double Iq(double q, |
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29 | double radius, |
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30 | double thickness, |
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31 | double core_sld, |
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32 | double shell_sld, |
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33 | double solvent_sld, |
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34 | double volfraction, |
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35 | double frac_dim, |
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36 | double cor_length) { |
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37 | |
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38 | |
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39 | double intensity = core_shell_kernel(q, |
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40 | radius, |
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41 | thickness, |
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42 | core_sld, |
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43 | shell_sld, |
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44 | solvent_sld); |
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45 | //calculate S(q) |
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46 | double frac_1 = frac_dim-1.0; |
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47 | double qr = q*radius; |
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48 | |
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49 | double t1 = frac_dim*sas_gamma(frac_1)*sin(frac_1*atan(q*cor_length)); |
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50 | double t2 = (1.0 + 1.0/(q*cor_length)/(q*cor_length)); |
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51 | double t3 = pow(qr, frac_dim) * pow(t2, (frac_1/2.0)); |
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52 | double sq = t1/t3; |
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53 | sq += 1.0; |
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54 | |
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55 | return sq*intensity*volfraction; |
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56 | } |
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57 | |
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58 | double Iqxy(double qx, double qy, |
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59 | double radius, |
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60 | double thickness, |
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61 | double core_sld, |
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62 | double shell_sld, |
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63 | double solvent_sld, |
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64 | double volfraction, |
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65 | double frac_dim, |
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66 | double cor_length) { |
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67 | |
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68 | const double q = sqrt(qx*qx+qy*qy); |
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69 | return Iq(q, |
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70 | radius, |
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71 | thickness, |
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72 | core_sld, |
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73 | shell_sld, |
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74 | solvent_sld, |
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75 | volfraction, |
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76 | frac_dim, |
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77 | cor_length); |
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78 | |
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79 | } |
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80 | |
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81 | |
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