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72 lines
1.6 KiB
Common Lisp
72 lines
1.6 KiB
Common Lisp
/*
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*
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* E update equations
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*
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*/
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//Define sx, x, dix (and y, z versions of those)
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{{dixyz_source}}
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//Define vectorized fields and pointers (eg. Hx = H + XX)
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{{vec_source}}
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// Wrap indices if necessary
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int imx, imy, imz;
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if ( x == 0 ) {
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imx = i + (sx - 1) * dix;
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} else {
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imx = i - dix;
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}
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if ( y == 0 ) {
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imy = i + (sy - 1) * diy;
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} else {
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imy = i - diy;
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}
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if ( z == 0 ) {
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imz = i + (sz - 1) * diz;
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} else {
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imz = i - diz;
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}
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//Update E components; set them to 0 if PEC is enabled there.
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{% if pec -%}
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if (pec[XX + i] == 0)
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{%- endif -%}
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{
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cdouble_t tEx = cdouble_mul(Ex[i], oeps[XX + i]);
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cdouble_t Dzy = cdouble_mul(cdouble_sub(Hz[i], Hz[imy]), inv_dhy[y]);
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cdouble_t Dyz = cdouble_mul(cdouble_sub(Hy[i], Hy[imz]), inv_dhz[z]);
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tEx = cdouble_add(tEx, cdouble_sub(Dzy, Dyz));
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Ex[i] = cdouble_mul(tEx, Pl[XX + i]);
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}
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{% if pec -%}
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if (pec[YY + i] == 0)
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{%- endif -%}
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{
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cdouble_t tEy = cdouble_mul(Ey[i], oeps[YY + i]);
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cdouble_t Dxz = cdouble_mul(cdouble_sub(Hx[i], Hx[imz]), inv_dhz[z]);
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cdouble_t Dzx = cdouble_mul(cdouble_sub(Hz[i], Hz[imx]), inv_dhx[x]);
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tEy = cdouble_add(tEy, cdouble_sub(Dxz, Dzx));
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Ey[i] = cdouble_mul(tEy, Pl[YY + i]);
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}
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{% if pec -%}
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if (pec[ZZ + i] == 0)
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{%- endif -%}
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{
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cdouble_t tEz = cdouble_mul(Ez[i], oeps[ZZ + i]);
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cdouble_t Dyx = cdouble_mul(cdouble_sub(Hy[i], Hy[imx]), inv_dhx[x]);
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cdouble_t Dxy = cdouble_mul(cdouble_sub(Hx[i], Hx[imy]), inv_dhy[y]);
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tEz = cdouble_add(tEz, cdouble_sub(Dyx, Dxy));
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Ez[i] = cdouble_mul(tEz, Pl[ZZ + i]);
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}
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/*
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* End H update equations
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*/
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