/usr/include/ is in libhypre-dev 2.13.0-2.
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..
/usr/include/hypre/
/usr/include/hypre/HYPRE.h
/usr/include/hypre/HYPRE_DistributedMatrixPilutSolver_protos.h
/usr/include/hypre/HYPRE_DistributedMatrixPilutSolver_types.h
/usr/include/hypre/HYPRE_FEI.h
/usr/include/hypre/HYPRE_FEI_includes.h
/usr/include/hypre/HYPRE_IJ_mv.h
/usr/include/hypre/HYPRE_LinSysCore.h
/usr/include/hypre/HYPRE_MatvecFunctions.h
/usr/include/hypre/HYPRE_config.h
/usr/include/hypre/HYPRE_error_f.h
/usr/include/hypre/HYPRE_krylov.h
/usr/include/hypre/HYPRE_lobpcg.h
/usr/include/hypre/HYPRE_matrix_matrix_protos.h
/usr/include/hypre/HYPRE_parcsr_ls.h
/usr/include/hypre/HYPRE_parcsr_mv.h
/usr/include/hypre/HYPRE_seq_mv.h
/usr/include/hypre/HYPRE_sstruct_ls.h
/usr/include/hypre/HYPRE_sstruct_mv.h
/usr/include/hypre/HYPRE_struct_ls.h
/usr/include/hypre/HYPRE_struct_mv.h
/usr/include/hypre/HYPRE_utilities.h
/usr/include/hypre/HYPREf.h
/usr/include/hypre/LLNL_FEI_Fei.h
/usr/include/hypre/LLNL_FEI_Impl.h
/usr/include/hypre/LLNL_FEI_LSCore.h
/usr/include/hypre/LLNL_FEI_Matrix.h
/usr/include/hypre/LLNL_FEI_Solver.h
/usr/include/hypre/_hypre_IJ_mv.h
/usr/include/hypre/_hypre_blas.h
/usr/include/hypre/_hypre_lapack.h
/usr/include/hypre/_hypre_parcsr_ls.h
/usr/include/hypre/_hypre_parcsr_mv.h
/usr/include/hypre/_hypre_sstruct_ls.h
/usr/include/hypre/_hypre_sstruct_mv.h
/usr/include/hypre/_hypre_struct_ls.h
/usr/include/hypre/_hypre_struct_mv.h
/usr/include/hypre/_hypre_utilities.h
/usr/include/hypre/cfei-hypre.h
/usr/include/hypre/cfei_hypre.h
/usr/include/hypre/csr_block_matrix.h
/usr/include/hypre/csr_matmultivec.h
/usr/include/hypre/distributed_matrix.h
/usr/include/hypre/fortran.h
/usr/include/hypre/fortran_matrix.h
/usr/include/hypre/hypre_cfei.h
/usr/include/hypre/interpreter.h
/usr/include/hypre/krylov.h
/usr/include/hypre/lobpcg.h
/usr/include/hypre/multivector.h
/usr/include/hypre/par_csr_block_matrix.h
/usr/include/hypre/par_csr_matmultivec.h
/usr/include/hypre/par_csr_pmvcomm.h
/usr/include/hypre/par_multivector.h
/usr/include/hypre/seq_multivector.h
/usr/include/hypre/seq_mv.h
/usr/include/hypre/temp_multivector.h