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MPI: fix: buffer init can handle all interface directions

pull/1/head
Thorsten Liebig 2011-02-21 16:13:33 +01:00
parent 211b6b7331
commit bfcd85e3e6
1 changed files with 13 additions and 7 deletions
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20
FDTD/engine_mpi.cpp
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@ -49,14 +49,20 @@ void Engine_MPI::Init()
if (m_Op_MPI->GetMPIEnabled())
{
// init buffers, nx*ny*2 for the tangential electric or magnetic fields at the interface
m_BufferSize[2] = m_Op_MPI->numLines[0]*m_Op_MPI->numLines[1];
if (m_Op_MPI->m_NeighborDown[2]>=0)
for (int n=0;n<3;++n)
{
m_BufferDown[2] = new float[m_BufferSize[2]*3];
}
if (m_Op_MPI->m_NeighborUp[2]>=0)
{
m_BufferUp[2] = new float[m_BufferSize[2]*3];
int nP = (n+1)%3;
int nPP = (n+2)%3;
m_BufferSize[n] = m_Op_MPI->numLines[nP]*m_Op_MPI->numLines[nPP];
if (m_Op_MPI->m_NeighborDown[n]>=0)
{
m_BufferDown[n] = new float[m_BufferSize[n]*3];
}
if (m_Op_MPI->m_NeighborUp[n]>=0)
{
m_BufferUp[n] = new float[m_BufferSize[n]*3];
}
}
}
}