core_shell_microgelsmagnetic_modelticket-1257-vesicle-productticket_1156ticket_1265_superballticket_822_more_unit_tests
Last change
on this file since 119073a was
d42dd4a,
checked in by pkienzle, 6 years ago
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fix compiler warnings for CUDA
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-
Property mode set to
100644
|
File size:
763 bytes
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1 | static double form_volume(double radius, double fuzziness) |
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2 | { |
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3 | return M_4PI_3*cube(radius); |
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4 | } |
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5 | |
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6 | static double |
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7 | effective_radius(int mode, double radius, double fuzziness) |
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8 | { |
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9 | switch (mode) { |
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10 | default: |
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11 | case 1: // radius |
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12 | return radius; |
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13 | case 2: // radius + fuzziness |
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14 | return radius + fuzziness; |
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15 | } |
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16 | } |
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17 | |
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18 | static void Fq(double q, double *F1, double *F2, double sld, double sld_solvent, |
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19 | double radius, double fuzziness) |
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20 | { |
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21 | const double qr = q*radius; |
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22 | const double bes = sas_3j1x_x(qr); |
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23 | const double qf = exp(-0.5*square(q*fuzziness)); |
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24 | const double contrast = (sld - sld_solvent); |
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25 | const double form = contrast * form_volume(radius,fuzziness) * bes * qf; |
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26 | *F1 = 1.0e-2*form; |
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27 | *F2 = 1.0e-4*form*form; |
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28 | } |
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