simplex-glpk with modified glpk for fpgaHEADmaster

1 files changed, 99 insertions, 0 deletions

diff --git a/glpk-5.0/examples/diet.mod b/glpk-5.0/examples/diet.mod
new file mode 100644
index 0000000..6d36391
--- /dev/null
+++ b/glpk-5.0/examples/diet.mod
@@ -0,0 +1,99 @@
+# STIGLER'S NUTRITION MODEL
+#
+# This model determines a least cost diet which meets the daily
+# allowances of nutrients for a moderately active man weighing 154 lbs.
+#
+#  References:
+#              Dantzig G B, "Linear Programming and Extensions."
+#              Princeton University Press, Princeton, New Jersey, 1963,
+#              Chapter 27-1.
+
+set N;
+/* nutrients */
+
+set F;
+/* foods */
+
+param b{N};
+/* required daily allowances of nutrients */
+
+param a{F,N};
+/* nutritive value of foods (per dollar spent) */
+
+var x{f in F} >= 0;
+/* dollars of food f to be purchased daily */
+
+s.t. nb{n in N}: sum{f in F} a[f,n] * x[f] = b[n];
+/* nutrient balance (units) */
+
+minimize cost: sum{f in F} x[f];
+/* total food bill (dollars) */
+
+data;
+
+param : N : b :=
+         Calorie       3 /* thousands */
+         Protein      70 /* grams */
+         Calcium     0.8 /* grams */
+         Iron         12 /* milligrams */
+         Vitamin-A     5 /* thousands IUs */
+         Vitamin-B1  1.8 /* milligrams */
+         Vitamin-B2  2.7 /* milligrams */
+         Niacin       18 /* milligrams */
+         Vitamin-C    75 /* milligrams */  ;
+
+set F := Wheat Cornmeal Cannedmilk Margarine Cheese Peanut-B Lard
+         Liver Porkroast Salmon Greenbeans Cabbage Onions Potatoes
+         Spinach Sweet-Pot Peaches Prunes Limabeans Navybeans;
+
+param a default 0
+
+:           Calorie  Protein  Calcium  Iron  Vitamin-A  Vitamin-B1 :=
+#            (1000)    (g)      (g)    (mg)   (1000IU)     (mg)
+
+Wheat         44.7     1411      2.0    365        .       55.4
+Cornmeal      36        897      1.7     99      30.9      17.4
+Cannedmilk     8.4      422     15.1      9      26         3
+Margarine     20.6       17       .6      6      55.8        .2
+Cheese         7.4      448     16.4     19      28.1        .8
+Peanut-B      15.7      661      1       48        .        9.6
+Lard          41.7        .       .       .        .2        .
+Liver          2.2      333       .2    139     169.2       6.4
+Porkroast      4.4      249       .3     37        .       18.2
+Salmon         5.8      705      6.8     45       3.5       1
+Greenbeans     2.4      138      3.7     80      69         4.3
+Cabbage        2.6      125      4       36       7.2       9
+Onions         5.8      166      3.8     59      16.6       4.7
+Potatoes      14.3      336      1.8    118       6.7      29.4
+Spinach        1.1      106       .     138     918.4       5.7
+Sweet-Pot      9.6      138      2.7     54     290.7       8.4
+Peaches        8.5       87      1.7    173      86.8       1.2
+Prunes        12.8       99      2.5    154      85.7       3.9
+Limabeans     17.4     1055      3.7    459       5.1      26.9
+Navybeans     26.9     1691     11.4    792        .       38.4
+
+:          Vitamin-B2  Niacin  Vitamin-C :=
+#             (mg)      (mg)     (mg)
+
+Wheat         33.3       441         .
+Cornmeal       7.9       106         .
+Cannedmilk    23.5        11        60
+Margarine       .          .         .
+Cheese        10.3         4         .
+Peanut-B       8.1       471         .
+Lard            .5         5         .
+Liver         50.8       316       525
+Porkroast      3.6        79         .
+Salmon         4.9       209         .
+Greenbeans     5.8        37       862
+Cabbage        4.5        26      5369
+Onions         5.9        21      1184
+Potatoes       7.1       198      2522
+Spinach       13.8        33      2755
+Sweet-Pot      5.4        83      1912
+Peaches        4.3        55        57
+Prunes         4.3        65       257
+Limabeans     38.2        93         .
+Navybeans     24.6       217         .   ;
+
+end;