/usr/share/doc/libsundials-serial-dev/examples/cvode/fcmix_serial/ is in libsundials-serial-dev 2.5.0-3ubuntu3.
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/usr/share/doc/libsundials-serial-dev/examples/cvode/fcmix_serial/README
/usr/share/doc/libsundials-serial-dev/examples/cvode/fcmix_serial/fcvAdvDiff_bnd-updated.f
/usr/share/doc/libsundials-serial-dev/examples/cvode/fcmix_serial/fcvAdvDiff_bnd.f
/usr/share/doc/libsundials-serial-dev/examples/cvode/fcmix_serial/fcvDiurnal_kry-updated.f
/usr/share/doc/libsundials-serial-dev/examples/cvode/fcmix_serial/fcvDiurnal_kry.f
/usr/share/doc/libsundials-serial-dev/examples/cvode/fcmix_serial/fcvDiurnal_kry_bp-updated.f
/usr/share/doc/libsundials-serial-dev/examples/cvode/fcmix_serial/fcvDiurnal_kry_bp.f
/usr/share/doc/libsundials-serial-dev/examples/cvode/fcmix_serial/fcvRoberts_dns-updated.f
/usr/share/doc/libsundials-serial-dev/examples/cvode/fcmix_serial/fcvRoberts_dns.f
/usr/share/doc/libsundials-serial-dev/examples/cvode/fcmix_serial/fcvRoberts_dnsL-updated.f
/usr/share/doc/libsundials-serial-dev/examples/cvode/fcmix_serial/fcvRoberts_dnsL.f