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Last change
on this file since 0b12abb5 was
3d25331f,
checked in by Gervaise Alina <gervyh@…>, 15 years ago
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add more model 1d and 2 D
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-
Property mode set to
100644
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File size:
1.1 KB
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Rev | Line | |
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[3d25331f] | 1 | /** |
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| 2 | * Scattering model for a sphere |
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| 3 | * @author: Gervaise B alina / UTK |
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| 4 | */ |
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| 5 | |
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| 6 | #include "binaryHS.h" |
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| 7 | #include "libSphere.h" |
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| 8 | #include <math.h> |
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| 9 | |
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| 10 | |
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| 11 | /** |
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| 12 | * Function to evaluate 1D scattering function |
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| 13 | * @param pars: parameters of the binary hard sphere |
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| 14 | * @param q: q-value |
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| 15 | * @return: function value |
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| 16 | */ |
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| 17 | double binaryHS_analytical_1D(BinaryHSParameters *pars, double q) { |
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| 18 | double dp[8]; |
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| 19 | |
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| 20 | dp[0] = pars->l_radius; |
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| 21 | dp[1] = pars->s_radius; |
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| 22 | dp[2] = pars->vol_frac_ls; |
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| 23 | dp[3] = pars->vol_frac_ss; |
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| 24 | dp[4] = pars->ls_sld; |
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| 25 | dp[5] = pars->ss_sld; |
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| 26 | dp[6] = pars->solvent_sld; |
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| 27 | dp[7] = pars->background; |
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| 28 | |
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| 29 | return BinaryHS(dp, q); |
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| 30 | } |
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| 31 | |
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| 32 | /** |
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| 33 | * Function to evaluate 2D scattering function |
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| 34 | * @param pars: parameters of the binary hard sphere |
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| 35 | * @param q: q-value |
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| 36 | * @return: function value |
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| 37 | */ |
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| 38 | double binaryHS_analytical_2D(BinaryHSParameters *pars, double q, double phi) { |
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| 39 | return binaryHS_analytical_1D(pars,q); |
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| 40 | } |
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| 41 | |
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| 42 | double binaryHS_analytical_2DXY(BinaryHSParameters *pars, double qx, double qy){ |
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| 43 | return binaryHS_analytical_1D(pars,sqrt(qx*qx+qy*qy)); |
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| 44 | } |
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