source: sasview/sansmodels/src/sans/models/c_extensions/elliptical_cylinder.h @ c9636f7

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Last change on this file since c9636f7 was da3dae3, checked in by Gervaise Alina <gervyh@…>, 16 years ago

wrappergenerator modified

  • Property mode set to 100644
File size: 1.8 KB
Line 
1#if !defined(ell_cylinder_h)
2#define ell_cylinder_h
3
4/** Structure definition for cylinder parameters
5 * [PYTHONCLASS] = EllipticalCylinderModel
6 * [DISP_PARAMS] = r_minor, r_ratio, length, cyl_theta, cyl_phi, cyl_psi
7 * [DESCRIPTION] = ""
8 * [FIXED]= <text> cyl_phi.width;
9 * cyl_theta.width; cyl_psi.width; length.width; r_minor.width; r_ratio.width </text>
10 * */
11typedef struct {
12    /// Scale factor
13    //  [DEFAULT]=scale=1.0
14    double scale;
15    /// Minor radius [A]
16    //  [DEFAULT]=r_minor=20.0 A
17    double r_minor;
18    /// Ratio of major/minor radii
19    //  [DEFAULT]=r_ratio=1.5 A
20    double r_ratio;
21    /// Length of the cylinder [A]
22    //  [DEFAULT]=length=400.0 A
23    double length;
24    /// Contrast [A-2]
25    //  [DEFAULT]=contrast=3.0e-6 A-2
26    double contrast;
27        /// Incoherent Background (cm-1) 0.000
28        //  [DEFAULT]=background=0 cm-1
29        double background;
30    /// Orientation of the cylinder axis w/respect incoming beam [rad]
31    //  [DEFAULT]=cyl_theta=1.57 rad
32    double cyl_theta;
33    /// Orientation of the cylinder in the plane of the detector [rad]
34    //  [DEFAULT]=cyl_phi=0.0 rad
35    double cyl_phi;
36    /// Orientation of major radius of the cross-section w/respect vector q [rad]
37    //  [DEFAULT]=cyl_psi=0.0 rad
38    double cyl_psi;
39} EllipticalCylinderParameters;
40
41
42
43/// 1D scattering function
44double elliptical_cylinder_analytical_1D(EllipticalCylinderParameters *pars, double q);
45
46/// 2D scattering function
47double elliptical_cylinder_analytical_2D(EllipticalCylinderParameters *pars, double q, double phi);
48double elliptical_cylinder_analytical_2DXY(EllipticalCylinderParameters *pars, double qx, double qy);
49double elliptical_cylinder_analytical_2D_scaled(EllipticalCylinderParameters *pars, double q, double q_x, double q_y);
50
51#endif
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