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    <title>
      BLAS1_D - Basic Linear Algebra Subprograms - Level 1 -
      Double Precision Real Arithmetic
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      BLAS1_D <br>
      Basic Linear Algebra Subprograms <br>
      Level 1 <br>
      Double Precision Real Arithmetic
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    <p>
      <b>BLAS1_D</b>
      is a FORTRAN77 library which
      implements the Level 1
      <b>BLAS</b>, or B