[petsc-users] PetscBinaryRead fails

[Yuyun Yang]

Hello,

I am writing a very simple function just to read in a single value from an input file (which also just contains one single scalar value). Using PetscBinaryRead(fd, &value, 1, PETSC_SCALAR) gives me the following error. Could you help me figure out why?

[0]PETSC ERROR: --------------------- Error Message --------------------------------------------------------------
[0]PETSC ERROR: Read from file failed
[0]PETSC ERROR: Read past end of file
[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.
[0]PETSC ERROR: Petsc Release Version 3.10.3, unknown
[0]PETSC ERROR: ./output on a arch-linux2-c-debug named DESKTOP-02K82L1.stanford.edu by yyy910805 Mon Feb 18 17:58:30 2019
[0]PETSC ERROR: Configure options --with-cc=gcc --with-cxx=g++ --with-shared-libraries=1 --download-hdf5 --download-metis --download-parmetis --download-hypre --download-superlu --download-mumps --download-scalapack --download-mpich --download-mpich-configure-arguments="--enable-error-messages=all --enable-g"
[0]PETSC ERROR: #1 PetscBinaryRead() line 276 in /home/yyy910805/petsc/src/sys/fileio/sysio.c
0.000000

Thanks a lot!
Yuyun
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