simple glpk interface

1 files changed, 21 insertions, 0 deletions

diff --git a/packages/glpk/examples/simplex1.hs b/packages/glpk/examples/simplex1.hs
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+++ b/packages/glpk/examples/simplex1.hs
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+-- first example in glpk manual
+
+import Numeric.LinearProgramming
+
+objFun = Maximize [10, 6, 4]
+
+constr = Dense [ [1,1,1]  :<: 100
+              , [10,4,5] :<: 600 
+              , [2,2,6]  :<: 300 ]
+
+-- default bounds
+bnds = [ 1 :>: 0
+       , 2 :>: 0
+       , 3 :>: 0 ]
+         
+main = do
+    print $ simplex objFun constr []
+    print $ simplex objFun constr bnds
+    print $ simplex objFun constr [Free 3]
+    print $ simplex objFun constr [ 2 :<: 50 ]
+