| 1 | #if !defined(binaryHS_h) |
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| 2 | #define binaryHS_h |
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| 3 | |
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| 4 | /** |
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| 5 | * Structure definition for binary hard sphere parameters |
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| 6 | |
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| 7 | [PYTHONCLASS] = BinaryHSModel |
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| 8 | [DISP_PARAMS] = l_radius,s_radius |
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| 9 | [DESCRIPTION] =<text> |
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| 10 | Model parameters: |
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| 11 | |
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| 12 | l_radius : large radius of the binary hard sphere |
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| 13 | s_radius : small radius of the binary hard sphere |
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| 14 | vol_frac_ls : volume fraction of large spheres |
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| 15 | vol_frac_ss : volume fraction of small spheres |
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| 16 | ls_sld: large sphere scattering length density |
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| 17 | ss_sld: small sphere scattering length density |
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| 18 | solvent_sld: solvent scattering length density |
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| 19 | background: incoherent background |
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| 20 | </text> |
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| 21 | [FIXED]= l_radius.width;s_radius.width |
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| 22 | [ORIENTATION_PARAMS]= <text> </text> |
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| 23 | */ |
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| 24 | typedef struct { |
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| 25 | |
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| 26 | /// large radius of the binary hard sphere [A] |
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| 27 | // [DEFAULT]=l_radius= 160.0 [A] |
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| 28 | double l_radius; |
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| 29 | |
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| 30 | /// small radius of the binary hard sphere [A] |
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| 31 | // [DEFAULT]=s_radius= 25.0 [A] |
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| 32 | double s_radius; |
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| 33 | |
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| 34 | /// volume fraction of large spheres |
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| 35 | // [DEFAULT]=vol_frac_ls= 0.2 |
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| 36 | double vol_frac_ls; |
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| 37 | |
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| 38 | /// volume fraction of small spheres |
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| 39 | // [DEFAULT]=vol_frac_ss= 0.2 |
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| 40 | double vol_frac_ss; |
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| 41 | |
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| 42 | /// large sphere scattering length density [1/Ų] |
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| 43 | // [DEFAULT]=ls_sld= 3.5e-6 [1/A²] |
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| 44 | double ls_sld; |
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| 45 | |
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| 46 | /// lsmall sphere scattering length density [1/Ų] |
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| 47 | // [DEFAULT]=ss_sld= 5e-7 [1/A²] |
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| 48 | double ss_sld; |
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| 49 | |
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| 50 | /// solvent scattering length density [1/Ų] |
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| 51 | // [DEFAULT]=solvent_sld= 6.36e-6 [1/A²] |
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| 52 | double solvent_sld; |
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| 53 | |
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| 54 | /// Incoherent Background [1/cm] |
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| 55 | // [DEFAULT]=background=0.001 [1/cm] |
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| 56 | double background; |
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| 57 | |
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| 58 | } BinaryHSParameters; |
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| 59 | |
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| 60 | |
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| 61 | |
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| 62 | /// 1D scattering function |
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| 63 | double binaryHS_analytical_1D(BinaryHSParameters *pars, double q); |
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| 64 | |
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| 65 | /// 2D scattering function |
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| 66 | double binaryHS_analytical_2D(BinaryHSParameters *pars, double q, double phi); |
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| 67 | double binaryHS_analytical_2DXY(BinaryHSParameters *pars, double qx, double qy); |
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| 68 | |
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| 69 | #endif |
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