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: { stdenv, fetchurl, gfortran, tolerateCpuTimingInaccuracy ? true, shared ? false
  , cpuConfig ? if stdenv.isi686 then "-b 32 -A 18 -V 1" else "-b 64 -A 31 -V 192"
  }:
  
  # Atlas detects the CPU and optimizes its build accordingly. This is great when
  
negative.code: 
    src = fetchurl {
      url = "mirror://sourceforge/math-atlas/atlas${version}.tar.bz2";
      sha256 = "0bqh4bdnjdyww4mcpg6kn0x7338mfqbdgysn97dzrwwb26di7ars";
    };
  
    buildInputs = [ gfortran ];
  