ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change
on this file since 5f89fb8 was
ae3ce4e,
checked in by Mathieu Doucet <doucetm@…>, 17 years ago
|
Moving sansmodels to trunk
|
-
Property mode set to
100644
|
File size:
1.0 KB
|
Line | |
---|
1 | /** |
---|
2 | * Scattering model for a core-shell sphere |
---|
3 | * @author: Mathieu Doucet / UTK |
---|
4 | */ |
---|
5 | |
---|
6 | #include "core_shell.h" |
---|
7 | #include "libSphere.h" |
---|
8 | #include <math.h> |
---|
9 | |
---|
10 | |
---|
11 | /** |
---|
12 | * Function to evaluate 1D scattering function |
---|
13 | * @param pars: parameters of the core-shell |
---|
14 | * @param q: q-value |
---|
15 | * @return: function value |
---|
16 | */ |
---|
17 | double core_shell_analytical_1D(CoreShellParameters *pars, double q) { |
---|
18 | double dp[7]; |
---|
19 | |
---|
20 | dp[0] = pars->scale; |
---|
21 | dp[1] = pars->radius; |
---|
22 | dp[2] = pars->thickness; |
---|
23 | dp[3] = pars->core_sld; |
---|
24 | dp[4] = pars->shell_sld; |
---|
25 | dp[5] = pars->solvent_sld; |
---|
26 | dp[6] = pars->background; |
---|
27 | |
---|
28 | return CoreShellForm(dp, q); |
---|
29 | } |
---|
30 | |
---|
31 | /** |
---|
32 | * Function to evaluate 2D scattering function |
---|
33 | * @param pars: parameters of the core-shell |
---|
34 | * @param q: q-value |
---|
35 | * @return: function value |
---|
36 | */ |
---|
37 | double core_shell_analytical_2D(CoreShellParameters *pars, double q, double phi) { |
---|
38 | return core_shell_analytical_1D(pars,q); |
---|
39 | } |
---|
40 | |
---|
41 | double core_shell_analytical_2DXY(CoreShellParameters *pars, double qx, double qy){ |
---|
42 | return core_shell_analytical_1D(pars,sqrt(qx*qx+qy*qy)); |
---|
43 | } |
---|
Note: See
TracBrowser
for help on using the repository browser.