| 1 | __kernel void CoreShellCylinderKernel(__global const real *qx, __global const real *qy, __global real *_ptvalue, |
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| 2 | const real axis_theta, const real axis_phi, const real thickness, const real length, const real radius, |
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| 3 | const real scale, const real radius_weight, const real length_weight, const real thickness_weight, |
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| 4 | const real theta_weight, const real phi_weight, const real core_sld, const real shell_sld, const real solvent_sld, |
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| 5 | const int size, const int total) |
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| 6 | { |
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| 7 | int i = get_global_id(0); |
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| 8 | if(i < total) |
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| 9 | { |
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| 10 | real q = sqrt(qx[i]*qx[i]+qy[i]*qy[i]); |
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| 11 | real pi = 4.0*atan(1.0); |
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| 12 | real theta = axis_theta*pi/180.0; |
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| 13 | real alpha = acos(cos(theta)*cos(axis_phi*pi/180.0)*qx[i]/q + sin(theta)*qy[i]/q); |
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| 14 | |
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| 15 | if (alpha == 0.0){ |
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| 16 | alpha = 1.0e-26; |
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| 17 | } |
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| 18 | |
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| 19 | real si1=0; real si2=0; real be1=0; real be2=0; |
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| 20 | |
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| 21 | real vol2 = pi*(radius+thickness)*(radius+thickness)*(length+2.0*thickness); |
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| 22 | |
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| 23 | real besarg1 = q*radius*sin(alpha); |
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| 24 | real besarg2 = q*(radius+thickness)*sin(alpha); |
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| 25 | real sinarg1 = q*length/2.0*cos(alpha); |
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| 26 | real sinarg2 = q*(length/2.0+thickness)*cos(alpha); |
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| 27 | |
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| 28 | |
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| 29 | if (besarg1 == 0.0){be1 = 0.5;} |
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| 30 | else{be1 = NR_BessJ1(besarg1)/besarg1;} |
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| 31 | |
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| 32 | if (besarg2 == 0.0){be2 = 0.5;} |
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| 33 | else{be2 = NR_BessJ1(besarg2)/besarg2;} |
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| 34 | |
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| 35 | if (sinarg1 == 0.0){si1 = 1.0;} |
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| 36 | else{si1 = sin(sinarg1)/sinarg1;} |
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| 37 | |
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| 38 | if (sinarg2 == 0.0){si2 = 1.0;} |
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| 39 | else{si2 = sin(sinarg2)/sinarg2;} |
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| 40 | |
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| 41 | real tt = 2.0*vol2*(shell_sld-solvent_sld)*si2*be2+2.0*(pi*radius*radius*(length))*(core_sld-shell_sld)*si1*be1; |
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| 42 | |
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| 43 | real answer = (tt*tt)*sin(alpha)/fabs(sin(alpha)); |
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| 44 | answer *= answer/(pi*(radius+thickness)*(radius+thickness)*(length+2.0*thickness))*1.0e8*scale; |
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| 45 | |
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| 46 | _ptvalue[i] = radius_weight*length_weight*thickness_weight*theta_weight*phi_weight*answer*pow(radius+thickness,2)*(length+2.0*thickness); |
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| 47 | // if (size>1) { |
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| 48 | // _ptvalue[i] *= fabs(cos(axis_theta*pi/180.0)); |
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| 49 | //} |
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| 50 | |
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| 51 | } |
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| 52 | } |
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| 53 | |
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| 54 | |
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| 55 | |
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