Add custom branching rule

Author: RXGottlieb

Project.toml

@@ -1,7 +1,7 @@
 name = "SourceCodeMcCormick"
 uuid = "a7283dc5-4ecf-47fb-a95b-1412723fc960"
 authors = ["Robert Gottlieb <[email protected]>"]
-version = "0.3.0"
+version = "0.3.1"
 
 [deps]
 CUDA = "052768ef-5323-5732-b1bb-66c8b64840ba"

examples/ParBB/subroutines.jl

@@ -334,6 +334,12 @@ function default_upper_heuristic(m::EAGO.GlobalOptimizer)
     return bool
 end
 
+# Add a custom branching function that branches at the midpoint
+import EAGO: select_branch_point
+function select_branch_point(t::ExtendGPU, m::EAGO.GlobalOptimizer, i)
+    return EAGO._mid(EAGO.BranchVar(), m, i)
+end
+
 # Disable epigraph reformation, preprocessing, and postprocessing
 import EAGO: reform_epigraph_min!
 function reform_epigraph_min!(m::EAGO.GlobalOptimizer)