core_shell_microgelscostrafo411magnetic_modelrelease_v0.94release_v0.95ticket-1257-vesicle-productticket_1156ticket_1265_superballticket_822_more_unit_tests
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Last change
on this file since 723198c was
ae7d639,
checked in by HMP1 <helen.park@…>, 10 years ago
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Ellipse now MUCH faster!
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Property mode set to
100644
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File size:
1.2 KB
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| [ae7d639] | 1 | __kernel void EllipsoidKernel(const real radius_a_weight, const real radius_b_weight, |
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| 2 | const real axis_theta_weight, |
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| 3 | const real axis_phi_weight, const real scale, const real radius_a, const real radius_b, |
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| 4 | const real sub, const real axis_theta, const real axis_phi, __global const real *qx, |
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| [099e053] | 5 | __global const real *qy, __global real *_ptvalue, const int length, const int size) |
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| 6 | { |
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| 7 | int i = get_global_id(0); |
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| 8 | if(i < length){ |
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| 9 | real ret = 0; |
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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 cos_val = 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 | real arg = q*radius_b*sqrt(1.0+(cos_val*cos_val*(((radius_a*radius_a/(radius_b*radius_b))-1.0)))); |
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| 16 | if(arg == 0.0){ |
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| 17 | ret = 1.0/3.0; |
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| 18 | } |
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| 19 | else{ |
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| 20 | ret = (sin(arg)-arg*cos(arg))/(arg*arg*arg); |
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| 21 | } |
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| 22 | ret*=ret*9.0*sub*sub*4.0/3.0*acos(-1.0)*radius_b*radius_b*radius_a*scale*(1.0e8); |
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| 23 | |
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| [a42fec0] | 24 | _ptvalue[i] += radius_a_weight*radius_b_weight*axis_theta_weight*radius_a*axis_phi_weight*ret*pow(radius_b, 2); |
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| [099e053] | 25 | //if(size > 1){ |
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| 26 | // _ptvalue[i] *= fabs(cos(axis_theta*pi/180.0)); |
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| 27 | //} |
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| 28 | } |
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| 29 | } |
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