/usr/include/vxl/v3p/netlib/linpack/ is in libvxl1-dev 1.17.0.dfsg2-4.
This file is owned by root:root, with mode 0o755.
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/usr/include/vxl/v3p/netlib/linpack/cqrdc.h
/usr/include/vxl/v3p/netlib/linpack/cqrsl.h
/usr/include/vxl/v3p/netlib/linpack/csvdc.h
/usr/include/vxl/v3p/netlib/linpack/dpoco.h
/usr/include/vxl/v3p/netlib/linpack/dpodi.h
/usr/include/vxl/v3p/netlib/linpack/dpofa.h
/usr/include/vxl/v3p/netlib/linpack/dposl.h
/usr/include/vxl/v3p/netlib/linpack/dqrdc.h
/usr/include/vxl/v3p/netlib/linpack/dqrsl.h
/usr/include/vxl/v3p/netlib/linpack/dsvdc.h
/usr/include/vxl/v3p/netlib/linpack/sqrdc.h
/usr/include/vxl/v3p/netlib/linpack/sqrsl.h
/usr/include/vxl/v3p/netlib/linpack/ssvdc.h
/usr/include/vxl/v3p/netlib/linpack/zqrdc.h
/usr/include/vxl/v3p/netlib/linpack/zqrsl.h
/usr/include/vxl/v3p/netlib/linpack/zsvdc.h