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-rw-r--r--Source/Particles/WarpXParticleContainer.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/Source/Particles/WarpXParticleContainer.cpp b/Source/Particles/WarpXParticleContainer.cpp
index a3f1ff221..ecdd3eb27 100644
--- a/Source/Particles/WarpXParticleContainer.cpp
+++ b/Source/Particles/WarpXParticleContainer.cpp
@@ -147,6 +147,7 @@ WarpXParticleContainer::AddNParticles (int /*lev*/,
p.pos(1) = y[i];
p.pos(2) = z[i];
#elif (AMREX_SPACEDIM == 2)
+ amrex::ignore_unused(y);
#ifdef WARPX_DIM_RZ
theta[i-ibegin] = std::atan2(y[i], x[i]);
p.pos(0) = std::sqrt(x[i]*x[i] + y[i]*y[i]);