source: sasview/sansmodels/src/sans/models/c_extensions/sphere.h @ a9dec92

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Last change on this file since a9dec92 was ae3ce4e, checked in by Mathieu Doucet <doucetm@…>, 17 years ago

Moving sansmodels to trunk

  • Property mode set to 100644
File size: 819 bytes
Line 
1#if !defined(sphere_h)
2#define sphere_h
3
4/**
5 * Structure definition for sphere parameters
6 */
7 //[PYTHONCLASS] = SphereModel
8typedef struct {
9    /// Scale factor
10    //  [DEFAULT]=scale=1.0e-6
11    double scale;
12   
13    /// Radius of sphere [A]
14    //  [DEFAULT]=radius=60.0 A
15    double radius;
16   
17    /// Contrast [Å-2]
18    //  [DEFAULT]=contrast=1.0 A-2
19    double contrast;
20   
21        /// Incoherent Background [cm-1]
22        //  [DEFAULT]=background=0 cm-1
23        double background;   
24} SphereParameters;
25
26
27
28/// 1D scattering function
29double sphere_analytical_1D(SphereParameters *pars, double q);
30
31/// 2D scattering function
32double sphere_analytical_2D(SphereParameters *pars, double q, double phi);
33double sphere_analytical_2DXY(SphereParameters *pars, double qx, double qy);
34
35#endif
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