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Corrected a stencil bug from der6

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This commit is contained in:
Miikka Vaisala
2019-06-25 11:25:14 +08:00
parent 59043e586b
commit 44f26cde42
1 changed files with 5 additions and 5 deletions
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6
acc/mhd_solver/stencil_assembly.sas
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@@ -25,9 +25,9 @@ der6x_upwd(in Scalar vertex)
return (Scalar){ Scalar(1.0/60.0)*inv_ds* ( return (Scalar){ Scalar(1.0/60.0)*inv_ds* (
- Scalar(20.0)* vertex[vertexIdx.x, vertexIdx.y, vertexIdx.z] - Scalar(20.0)* vertex[vertexIdx.x, vertexIdx.y, vertexIdx.z]
+ Scalar(15.0)*(vertex[vertexIdx.x, vertexIdx.y+1, vertexIdx.z] + vertex[vertexIdx.x, vertexIdx.y-1, vertexIdx.z]) + Scalar(15.0)*(vertex[vertexIdx.x+1, vertexIdx.y, vertexIdx.z] + vertex[vertexIdx.x-1, vertexIdx.y, vertexIdx.z])
- Scalar( 6.0)*(vertex[vertexIdx.x, vertexIdx.y+2, vertexIdx.z] + vertex[vertexIdx.x, vertexIdx.y-2, vertexIdx.z]) - Scalar( 6.0)*(vertex[vertexIdx.x+2, vertexIdx.y, vertexIdx.z] + vertex[vertexIdx.x-2, vertexIdx.y, vertexIdx.z])
+ vertex[vertexIdx.x, vertexIdx.y+3, vertexIdx.z] + vertex[vertexIdx.x, vertexIdx.y-3, vertexIdx.z])}; + vertex[vertexIdx.x+3, vertexIdx.y, vertexIdx.z] + vertex[vertexIdx.x-3, vertexIdx.y, vertexIdx.z])};
} }
Preprocessed Scalar Preprocessed Scalar