anchor.diff:      propagatedBuildInputs = [ MathLibm constant-defer ];
     };
   
  +  MathRandomISAAC = buildPerlPackage {
  +    name = "Math-Random-ISAAC-1.004";
  +    src = fetchurl {
  +      url = mirror://cpan/authors/id/J/JA/JAWNSY/Math-Random-ISAAC-1.004.tar.gz;
  +      sha256 = "0z1b3xbb3xz71h25fg6jgsccra7migq7s0vawx2rfzi0pwpz0wr7";
  +    };
  +    buildInputs = [ TestNoWarnings ];
  +    meta = {
  +      homepage = http://search.cpan.org/dist/Math-Random-ISAAC;
  +      description = "Perl interface to the ISAAC PRNG algorithm";
  +      license = "unrestricted";
  +    };
  +  };
  +
     MathRandomMTAuto = buildPerlPackage {
       name = "Math-Random-MT-Auto-6.22";
       src = fetchurl {
  
positive.code:     src = fetchurl {
        url = mirror://cpan/authors/id/L/LU/LUISMUNOZ/Crypt-PasswdMD5-1.3.tar.gz;
        sha256 = "13j0v6ihgx80q8jhyas4k48b64gnzf202qajyn097vj8v48khk54";
      };
    };
  
  
negative.code:     meta = {
        description = "Auto-seeded Mersenne Twister PRNGs";
        license = "unrestricted";
      };
    };
  
    MathRandomSecure = buildPerlPackage {
      name = "Math-Random-Secure-0.06";
      src = fetchurl {
        url = mirror://cpan/authors/id/M/MK/MKANAT/Math-Random-Secure-0.06.tar.gz;
        sha256 = "0392h78l3shkba9l2c43rgz6sm5qv7pzdylgb7gp9milprn77crc";
      };
      buildInputs = [ ListMoreUtils TestWarn ];
      propagatedBuildInputs = [ AnyMoose CryptRandomSource MathRandomISAAC ];
      meta = {
        description = "Cryptographically-secure, cross-platform replacement for rand()";
        license = "artistic_2";
      };
    };
  
  