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Update sub_rde.c

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Nils Berglund 2022-10-11 22:25:20 +02:00 committed by GitHub
parent 26655a909b
commit 49b0b4a646
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sub_rde.c
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@ -671,7 +671,7 @@ void compute_laplacian_rde(double phi_in[NX*NY], double phi_out[NX*NY], short in
/* left and right side */ /* left and right side */
for (j = 0; j < NY; j++) for (j = 0; j < NY; j++)
{ {
jplus = j+1; if (jplus == NX) jplus = 0; jplus = j+1; if (jplus == NY) jplus = 0;
jminus = j-1; if (jminus == -1) jminus = NY-1; jminus = j-1; if (jminus == -1) jminus = NY-1;
phi_out[j] = phi_in[jminus] + phi_in[jplus] + phi_in[(NX-1)*NY+j] + phi_in[NY+j] - 4.0*phi_in[j]; phi_out[j] = phi_in[jminus] + phi_in[jplus] + phi_in[(NX-1)*NY+j] + phi_in[NY+j] - 4.0*phi_in[j];