anchor.diff:        portable performance. At present, it provides C and Fortran77 interfaces to a
         portably efficient BLAS implementation, as well as a few routines from LAPACK.
       '';
  +
  +    maintainers = with stdenv.lib.maintainers; [ ttuegel ];
     };
   }
  
positive.code: #   |---------------------------------------------+------------------------|
  #   | -b 32                                       | -b 64                  |
  #   | -A 18  (Pentium II)                         | -A 31 (Athlon K7)      |
  #   | -V 1 (No SIMD: Pentium II doesn't have SSE) | -V 192 (SSE1 and SSE2) |
  #
  # Users who want to compile a highly optimized version of ATLAS that's suitable
  # for their local machine can override these settings accordingly.
  
  let
    version = "3.10.1";
  
    optionalString = stdenv.lib.optionalString;
    optional = stdenv.lib.optional;
  
negative.code: { stdenv, fetchurl, gfortran, tolerateCpuTimingInaccuracy ? true, shared ? false
  , cpuConfig ? if stdenv.isi686 then "-b 32 -A 18 -V 1" else "-b 64 -A 31 -V 384"
  }:
  
  # Atlas detects the CPU and optimizes its build accordingly. This is great when
  