From 3527a0ad0b21d17c60994b3eb851c995b41f4680 Mon Sep 17 00:00:00 2001
From: Dimitri Lozeve <dimitri@lozeve.com>
Date: Tue, 25 Feb 2020 21:24:00 +0100
Subject: [PATCH] Switch to CPLEX solver

---
 Project.toml | 2 +-
 src/optim.jl | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/Project.toml b/Project.toml
index 94c9ab9..f529a88 100644
--- a/Project.toml
+++ b/Project.toml
@@ -4,6 +4,7 @@ authors = ["Dimitri Lozeve <dimitri@lozeve.com>"]
 version = "0.1.0"
 
 [deps]
+CPLEX = "a076750e-1247-5638-91d2-ce28b192dca0"
 CSV = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"
 DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
@@ -11,7 +12,6 @@ JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
 JuMP = "4076af6c-e467-56ae-b986-b466b2749572"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 Logging = "56ddb016-857b-54e1-b83d-db4d58db5568"
-MosekTools = "1ec41992-ff65-5c91-ac43-2df89e9693a4"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 Unicode = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
diff --git a/src/optim.jl b/src/optim.jl
index 5b003b4..4474ba3 100644
--- a/src/optim.jl
+++ b/src/optim.jl
@@ -1,5 +1,5 @@
 using JuMP
-using MosekTools
+using CPLEX
 
 function neighbourindices(mask::Matrix, idx::Int)::Vector{Int}
     if mask[idx] == 0
@@ -33,8 +33,9 @@ function definemodel(plantcounts::Vector, garden::Matrix, mask::Matrix, costs::M
     N = length(mask)
     Q = size(costs, 1)
 
-    optimizer = Mosek.Optimizer
-    model = Model(optimizer_with_attributes(optimizer, "QUIET" => false))
+    optimizer = optimizer_with_attributes(
+        CPLEX.Optimizer, "CPX_PARAM_OPTIMALITYTARGET" => 2, "CPX_PARAM_EPINT" => 1e-8)
+    model = Model(optimizer)
 
     @variable(model, x[1:N, 1:Q], Bin)