20-Sep-2002:
    Files in pcs1/ modified to support SKYvec library usage:

    o makeinstall
      Specify -mathlib (SKYvec library) in EF_RT2_OPTS definition.

    o common/lapack_trg.h
      New file.  Prototypes and definitions for rtefit_blas.c.
      Contains USE_LAPACK_SKYVEC flag, which enables the SKYvec code
      within rtefit_blas.c.

    o common/makertefit
      Modified to include lapack_trg.h and -mathlib (SKYvec library).

    o common/rtefit_blas.c
      Added snrm2_ BLAS function to sgemv_, sger_ and sscal_.
      Added SKYVEC stuff, enabled by USE_LAPACK_SKYVEC flag in lapack_trg.h.

    o common/rtefit_vector_routines.h
      Added SKYVEC stuff following established conventions:  enabled
      via RTEFIT_USE_SKYVEC flag.

    o common/rtefitutils_emu.c
      Added SKYVEC stuff:  enabled via USE_SKYVEC_LIB flag.