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Last change
on this file since 42f193a was
42f193a,
checked in by Jae Cho <jhjcho@…>, 15 years ago
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some corrections on dips-parameters and adding 2D cal
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-
Property mode set to
100644
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File size:
1.1 KB
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[34c3020] | 1 | /** |
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[42f193a] | 2 | * Scattering model for dilute lamellar model: polydipsersion in thickness (delta) included |
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[34c3020] | 3 | * @author: Gervaise B. Alina / UTK |
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| 4 | */ |
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| 5 | |
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| 6 | #include "lamellar.h" |
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| 7 | #include <math.h> |
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| 8 | #include "libCylinder.h" |
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| 9 | #include <stdio.h> |
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| 10 | #include <stdlib.h> |
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| 11 | |
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| 12 | |
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| 13 | /** |
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| 14 | * Function to evaluate 1D scattering function |
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| 15 | * @param pars: parameters of the lamellar |
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| 16 | * @param q: q-value |
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| 17 | * @return: function value |
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| 18 | */ |
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| 19 | double lamellar_analytical_1D(LamellarParameters *pars, double q) { |
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| 20 | double dp[5]; |
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[42f193a] | 21 | |
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[34c3020] | 22 | // Fill paramater array |
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| 23 | dp[0] = pars->scale; |
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| 24 | dp[1] = pars->delta; |
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| 25 | dp[2] = pars->sigma; |
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| 26 | dp[3] = pars->contrast; |
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| 27 | dp[4] = pars->background; |
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[42f193a] | 28 | |
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| 29 | |
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[34c3020] | 30 | // Call library function to evaluate model |
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[42f193a] | 31 | return LamellarFF(dp, q); |
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[34c3020] | 32 | } |
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[42f193a] | 33 | /** |
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| 34 | * Function to evaluate 2D scattering function |
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| 35 | * @param pars: parameters of the lamellar |
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| 36 | * @param q: q-value |
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| 37 | * @return: function value |
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| 38 | */ |
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| 39 | |
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[34c3020] | 40 | |
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| 41 | double lamellar_analytical_2D(LamellarParameters *pars, double q, double phi){ |
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[42f193a] | 42 | return lamellar_analytical_1D(pars,q); |
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[34c3020] | 43 | } |
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| 44 | double lamellar_analytical_2DXY(LamellarParameters *pars, double qx, double qy){ |
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[42f193a] | 45 | return lamellar_analytical_1D(pars,sqrt(qx*qx+qy*qy)); |
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[34c3020] | 46 | } |
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| 47 | |
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