source: sasmodels/sasmodels/models/sphere.c @ a34b811

ticket-1257-vesicle-productticket_1156ticket_822_more_unit_tests
Last change on this file since a34b811 was a34b811, checked in by Paul Kienzle <pkienzle@…>, 7 months ago

use radius_effective/radius_effective_mode/radius_effective_modes consistently throughout the code

  • Property mode set to 100644
File size: 488 bytes
Line 
1static double form_volume(double radius)
2{
3    return M_4PI_3*cube(radius);
4}
5
6static double
7radius_effective(int mode, double radius)
8{
9    // case 1: radius
10    return radius;
11}
12
13static void Fq(double q, double *f1, double *f2, double sld, double sld_solvent, double radius)
14{
15    const double bes = sas_3j1x_x(q*radius);
16    const double contrast = (sld - sld_solvent);
17    const double form = contrast * form_volume(radius) * bes;
18    *f1 = 1.0e-2*form;
19    *f2 = 1.0e-4*form*form;
20}
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