Neko 1.99.1
A portable framework for high-order spectral element flow simulations
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bc_utils.h
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1/*
2 Copyright (c) 2025, The Neko Authors
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33*/
34
35#ifndef __BC_UTILS_H__
36#define __BC_UTILS_H__
37
42#define coef_normal_area_idx(i, j, k, l, lx, nf) \
43 (((i) + (lx) * (((j) - 1) + (lx) * (((k) - 1) + (nf) * (((l) - 1))))) - 1)
44
49void nonlinear_index(const int idx, const int lx, int *index) {
50 const int idx2 = idx -1;
51 index[3] = idx2/(lx * lx * lx) ;
52 index[2] = (idx2 - (lx*lx*lx)*index[3])/(lx * lx);
53 index[1] = (idx2 - (lx*lx*lx)*index[3] - (lx*lx) * index[2]) / lx;
54 index[0] = (idx2 - (lx*lx*lx)*index[3] - (lx*lx) * index[2]) - lx*index[1];
55 index[0]++;
56 index[1]++;
57 index[2]++;
58 index[3]++;
59}
60
61#endif
nonlinear_index
__inline__ __device__ void nonlinear_index(const int idx, const int lx, int *index)
Definition bc_utils.h:44
dirichlet_apply_scalar_kernel
__global__ void dirichlet_apply_scalar_kernel(const int *__restrict__ msk, T *__restrict__ x, const T g, const int m)
Definition dirichlet_kernel.h:42