compile without FFT

erf-model · Nov 24, 2024 · e852d02 · e852d02
1 parent ed5f4a7
commit e852d02
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/Source/LinearSolvers/ERF_TerrainPoisson.H b/Source/LinearSolvers/ERF_TerrainPoisson.H
@@ -52,7 +52,9 @@ private:
     amrex::BoxArray m_grids;
     amrex::DistributionMapping m_dmap;
     const amrex::MultiFab* m_zphys;
+#ifdef ERF_USE_FFT
     std::unique_ptr<amrex::FFT::PoissonTerrainPrecond<amrex::MultiFab>> m_2D_fft_precond;
+#endif
 };
 
 #endif
diff --git a/Source/LinearSolvers/ERF_TerrainPoisson.cpp b/Source/LinearSolvers/ERF_TerrainPoisson.cpp
@@ -188,9 +188,12 @@ Real TerrainPoisson::norm2(MultiFab const& v)
 
 void TerrainPoisson::precond(MultiFab& lhs, MultiFab const& rhs)
 {
+#ifdef ERF_USE_FFT
     if (m_use_precond) {
         m_2D_fft_precond->solve(lhs, rhs, *m_zphys);
-    } else {
+    } else
+#endif
+    {
         MultiFab::Copy(lhs, rhs, 0, 0, 1, 0);
     }
 }