Monte Carlo event generator

Current versions

herwig requires the following formulae to be installed:
thepeg 2.1.1 Toolkit for high energy physics event generation
hepmc 2.06.09 C++ event record for Monte Carlo generators
boost 1.67.0_1 Collection of portable C++ source libraries
gsl 2.4 Numerical library for C and C++
madgraph5_amcatnlo 2.6.0 Automated LO and NLO processes matched to parton showers
openloops 1.3.1 Fully automated implementation of the Open Loops algorithm
vbfnlo 3.0.0beta3 Parton-level Monte Carlo for processes with electroweak bosons
gcc 7.3.0_1 GNU compiler collection

Recent formula history

David Hall Fix warnings due to latest Homebrew formula standards.
David Hall herwig: NLO PDF also needed for test
David Hall herwig: pdfs needed for test
David Hall herwig: fix audit
David Hall Travis-CI uses brew test-bot Copied .travis.yml from brew-tap-new script. This should make for quicker testing, because only the edited formula is tested. Also moved formulae to Formula folder.

Formula code at GitHub