Sha256: 0907129e07e5721b370ef01b4fcc2d976196f7189bd92a35de14be9b792226ac
Contents?: true
Size: 743 Bytes
Versions: 12
Compression:
Stored size: 743 Bytes
Contents
class Gurobi < Solver
def solve
command = "#{executable} ResultFile=#{@outfile} %s %s #{@filename}"
command %= [
options[:gap] ? "MipGap=#{options[:gap]}":"",
options[:node_limit] ? "NodeLimit=#{options[:node_limit]}":""
]
exec(command)
end
def self.executable
:gurobi_cl
end
def store_results(variables)
rows = IO.read(@outfile).split("\n")
objective_str = rows[0].split(/\s+/)[-1]
vars_by_name = {}
rows[1..-1].each do |row|
cols = row.strip.split(/\s+/)
vars_by_name[cols[0].to_s] = cols[1].to_f
end
variables.each do |var|
var.value = vars_by_name[var.to_s].to_f
end
self.unsuccessful = rows.length.zero?
return objective_str.to_f
end
end
Version data entries
12 entries across 12 versions & 1 rubygems