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AMICI-dev · Sep 27, 2024 · c5de496 · c5de496
1 parent 2e35faf
commit c5de496
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/sundials_matrix_wrapper.cpp b/src/sundials_matrix_wrapper.cpp
@@ -13,7 +13,7 @@ SUNMatrixWrapper::SUNMatrixWrapper(
     sunindextype M, sunindextype N, sunindextype NNZ, int sparsetype,
     SUNContext sunctx
 )
-    : matrix_(SUNSparseMatrix(M, N, NNZ, sparsetype, sunctx))
+    : matrix_(M * N != 0 ? SUNSparseMatrix(M, N, NNZ, sparsetype, sunctx) : nullptr)
     , id_(SUNMATRIX_SPARSE)
     , sparsetype_(sparsetype) {
 
@@ -34,7 +34,7 @@ SUNMatrixWrapper::SUNMatrixWrapper(
 SUNMatrixWrapper::SUNMatrixWrapper(
     sunindextype M, sunindextype N, SUNContext sunctx_
 )
-    : matrix_(SUNDenseMatrix(M, N, sunctx_))
+    : matrix_(M * N != 0 ? SUNDenseMatrix(M, N, sunctx_) : nullptr)
     , id_(SUNMATRIX_DENSE) {
     if (M && N && !matrix_)
         throw std::bad_alloc();

diff --git a/src/vector.cpp b/src/vector.cpp
@@ -59,7 +59,7 @@ void AmiVector::copy(AmiVector const& other) {
 void AmiVector::synchroniseNVector() {
     if (nvec_)
         N_VDestroy_Serial(nvec_);
-    nvec_ = N_VMake_Serial(
+    nvec_ = vec_.empty() ? nullptr : N_VMake_Serial(
         gsl::narrow<long int>(vec_.size()), vec_.data(), sunctx_
     );
 }