inhom_dirichlet_kernel.h

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#ifndef __BC_INHOM_DIRICHLET_KERNEL__
#define __BC_INHOM_DIRICHLET_KERNEL__
 
template< typename T >
__global__ void inhom_dirichlet_apply_vector_kernel(const int * __restrict__ msk,
                                            T * __restrict__ x,
                                            T * __restrict__ y,
                                            T * __restrict__ z,
                                            const T * __restrict__ bla_x,
                                            const T * __restrict__ bla_y,
                                            const T * __restrict__ bla_z,
                                            const int m) {
 
  const int idx = blockIdx.x * blockDim.x + threadIdx.x;
  const int str = blockDim.x * gridDim.x;
 
  for (int i = idx; i < m; i += str) {
    const int k = msk[i + 1] - 1;
    x[k] = bla_x[i];
    y[k] = bla_y[i];
    z[k] = bla_z[i];
  }
}
 
template< typename T >
__global__ void inhom_dirichlet_apply_scalar_kernel(const int * __restrict__ msk,
                                            T * __restrict__ x,
                                            const T * __restrict__ bla_x,
                                            const int m) {
 
  const int idx = blockIdx.x * blockDim.x + threadIdx.x;
  const int str = blockDim.x * gridDim.x;
 
  for (int i = idx; i < m; i += str) {
    const int k = msk[i + 1] - 1;
    x[k] = bla_x[i];
  }
}
 
#endif // __BC_INHOM_DIRICHLET_KERNEL__