First send configure.log so we can see the setup. Thanks,
Matt On Thu, Oct 13, 2022 at 12:53 AM Peng Sun <p...@outlook.com> wrote: > Dear PETSc community, > > > I have a question regarding the single precision complex numbers of > petsc4py. I configured PETSc with the “--with-scalar-type=complex > --with-precision=single" option before compiling, but all the DA structures > I created with petsc4py had double precision. > > > Here is a minimum test code on Python 3.8/PETSc 3.12/petsc4py 3.12: both > print commands show data type of complex128. Could anybody please help > me? Thanks! > > > import petsc4pyimport sys > petsc4py.init(sys.argv)from petsc4py import PETSc > > da=PETSc.DA().create(sizes=[2,2,2],dof=1,stencil_type=0,stencil_width=1,boundary_type=1) > da_1 = > da.createGlobalVec()print(petsc4py.PETSc.ComplexType)print(da_1.getArray().dtype) > > > > > Best regards, > > Peng Sun > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>