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Fix sumToLine for multiple components #4266

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Dec 16, 2024
Merged

Fix sumToLine for multiple components #4266

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2 changes: 1 addition & 1 deletion Src/Base/AMReX_MultiFabUtil.H
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Expand Up @@ -334,7 +334,7 @@ namespace amrex
* Return a HostVector that contains the sum of the given MultiFab data in the plane
* with the given normal direction. The size of the vector is
* domain.length(direction) x ncomp. The vector is actually a 2D array, where the
* element for component icomp at spatial index k is at [icomp*ncomp+k].
* element for component icomp at spatial index k is at [icomp+ncomp*k].
*
* \param mf MultiFab data for summing
* \param icomp starting component
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2 changes: 1 addition & 1 deletion Src/Base/AMReX_MultiFabUtil.cpp
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Expand Up @@ -822,7 +822,7 @@ namespace amrex
#ifdef AMREX_USE_GPU
if (Gpu::inLaunchRegion())
{
Gpu::DeviceVector<Real> dv(domain.length(direction), Real(0.0));
Gpu::DeviceVector<Real> dv(hv.size(), Real(0.0));
Real* p = dv.data();

for (MFIter mfi(mf); mfi.isValid(); ++mfi) {
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