source: sasmodels/sasmodels/models/core_shell_sphere.c @ ee60aa7

core_shell_microgelsmagnetic_modelticket-1257-vesicle-productticket_1156ticket_1265_superballticket_822_more_unit_tests
Last change on this file since ee60aa7 was ee60aa7, checked in by Paul Kienzle <pkienzle@…>, 6 years ago

clean up effective radius functions; improve mono_gauss_coil accuracy; start moving VR into C

  • Property mode set to 100644
File size: 763 bytes
Line 
1static double
2form_volume(double radius, double thickness)
3{
4    return M_4PI_3 * cube(radius + thickness);
5}
6
7static double
8effective_radius(int mode, double radius, double thickness)
9{
10    switch (mode) {
11    case 1: // outer radius
12        return radius + thickness;
13    case 2: // core radius
14        return radius;
15    }
16}
17
18static void
19Fq(double q, double *F1, double *F2, double radius,
20   double thickness, double core_sld, double shell_sld, double solvent_sld) {
21    double form = core_shell_fq(q,
22                              radius,
23                              thickness,
24                              core_sld,
25                              shell_sld,
26                              solvent_sld);
27    *F1 = 1.0e-2*form;
28    *F2 = 1.0e-4*form*form;
29}
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