\ small test 

Minimize
    func: - x1 - x2
Subject To
  cst1:  0.9510565162951536 x1 + 6.909830056250525e-01 x2 <=  2.5930960382153598
  cst2: -0.3632712640026803 x1 + 1.118033988749895e+00 x2 <=  1.7058192410423680
  cst3: -1.1755705045849463 x1 + 2.220446049250313e-16 x2 <= -0.2245139882897925
  cst4: -0.3632712640026806 x1 - 1.118033988749895e+00 x2 <= -0.5302487364574219
  cst5:  0.9510565162951534 x1 - 6.909830056250528e-01 x2 <=  1.2111300269652543
End