ry which
      solves linear systems using single precision complex arithmetic;
    </p>

    <p>
      <a href = "../../f77_src/r4lib/r4lib.html">
      R4LIB</a>, 
      a FORTRAN77 library which
      contains many utility routines, using "R4" or "single precision real" arithmetic.
    </p>

    <p>
      <a href = "../../f77_src/r8lib/r8lib.html">
      R8LIB</a>, 
      a FORTRAN77 library which
      contains many utility routines, using "R8" or 
      "double precision real" arithmetic.
    </p>

   