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

#if !defined(sphere_h)
#define sphere_h

/** 
 * Structure definition for sphere parameters 
 */
 //[PYTHONCLASS] = SphereModel
typedef struct {
    /// Scale factor 
    //  [DEFAULT]=scale=1.0e-6
    double scale;
    
    /// Radius of sphere [A] 
    //  [DEFAULT]=radius=60.0 A
    double radius;
    
    /// Contrast [Å-2] 
    //  [DEFAULT]=contrast=1.0 A-2
    double contrast;
    
        /// Incoherent Background [cm-1]
        //  [DEFAULT]=background=0 cm-1
        double background;    
} SphereParameters;



/// 1D scattering function
double sphere_analytical_1D(SphereParameters *pars, double q);

/// 2D scattering function
double sphere_analytical_2D(SphereParameters *pars, double q, double phi);
double sphere_analytical_2DXY(SphereParameters *pars, double qx, double qy);

#endif