no_slip_wall_kernel.h

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/*
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#ifndef __BC_NO_SLIP_WALL_KERNEL__
#define __BC_NO_SLIP_WALL_KERNEL__
 
template< typename T >
__global__ void no_slip_wall_apply_scalar_kernel(const int * __restrict__ msk,
                                                 T * __restrict__ x,
                                                 const int m) {
  
  const int idx = blockIdx.x * blockDim.x + threadIdx.x;
  const int str = blockDim.x * gridDim.x;
 
  for (int i = (idx + 1); i < m; i += str) {
    const int k = (msk[i] - 1);
    x[k] = 0.0;
  }
}
 
template< typename T >
__global__ void no_slip_wall_apply_vector_kernel(const int * __restrict__ msk,
                                                 T * __restrict__ x,
                                                 T * __restrict__ y,
                                                 T * __restrict__ z,
                                                 const int m) {
  
  const int idx = blockIdx.x * blockDim.x + threadIdx.x;
  const int str = blockDim.x * gridDim.x;
 
  for (int i = (idx + 1); i < m; i += str) {
    const int k = (msk[i] - 1);
    x[k] = 0.0;
    y[k] = 0.0;
    z[k] = 0.0;
  }
}
 
#endif // __BC_NO_SLIP_WALL_KERNEL__