core_shell_microgelsmagnetic_modelticket-1257-vesicle-productticket_1156ticket_1265_superballticket_822_more_unit_tests
Last change
on this file since 7e923c2 was
c036ddb,
checked in by Paul Kienzle <pkienzle@…>, 6 years ago
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refactor so Iq is not needed if Fq is defined
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-
Property mode set to
100644
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File size:
560 bytes
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Line | |
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1 | static double form_volume(double radius) |
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2 | { |
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3 | return sphere_volume(radius); |
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4 | } |
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5 | |
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6 | // TODO: remove Iq when Iqxy can use Fq directly |
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7 | static double Iq(double q, double sld, double sld_solvent, double radius) |
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8 | { |
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9 | return sphere_form(q, radius, sld, sld_solvent); |
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10 | } |
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11 | |
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12 | static void Fq(double q, double *F1,double *F2, double sld, double solvent_sld, double radius) |
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13 | { |
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14 | const double fq = sas_3j1x_x(q*radius); |
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15 | const double contrast = (sld - solvent_sld); |
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16 | const double form = 1e-2 * contrast * sphere_volume(radius) * fq; |
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17 | *F1 = form; |
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18 | *F2 = form*form; |
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19 | } |
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