solvers/conopt/conopttest.a4c

REQUIRE "atoms.a4l";

IMPORT "johnpye/conopt/conopt";

(*
	This example model comes from the CONOPT documentation, which is
	distributed with CONOPT.
*)
MODEL conopttest;
	Profit, Inp, Out IS_A solver_var;
	P, L IS_A solver_var;

	K IS_A real_constant;
	Al, Ak, Ainp, Rho IS_A solver_var;
	Pinp, P0, D IS_A real_constant;
	W, L0, K0 IS_A real_constant;

	cesfn: Out = ( Al*L^(-Rho) + Ak*K^(-Rho) + Ainp*Inp^(-Rho) )^(-1/Rho);

	demandfn: Out = ( P0 - P ) / D;

	W :== 1.0;
	L0 :== 0.1;
	Pinp :== 1.0;

	K0 :== 4.0;
	P0 :== 2.0;
	D :== 0.5;
	K :== K0;

	profitfn: Profit = P*Out - (L-L0)*W - Inp*Pinp;
	maxprofit: MAXIMIZE Profit;

METHODS

METHOD default_self;
	L := 0.5;
	Inp := 0.5;
END default_self;

METHOD specify;
	FIX Al, Ak, Ainp, Rho;
END specify;

METHOD values;
	Al := 0.16;
	Ak := 2.00;
	Ainp := 0.16;
	Rho := 1.0;

	L.lower_bound := L0;
	P.lower_bound := 0;
	Out.lower_bound := 0;
	Inp.lower_bound := -0.001;
END values;

METHOD on_load;
	RUN default_self;
	RUN specify;
	RUN values;
END on_load;

METHOD self_test;
	ASSERT abs(L - 0.295686) < 0.000001;
	ASSERT abs(Inp - 0.295686) < 0.000001;
	ASSERT abs(Out - 0.632019) < 0.000001;
	ASSERT abs(P - 1.683990) < 0.000001;	
END self_test;

END conopttest;
1	johnpye	786	REQUIRE "atoms.a4l";
2
3	jpye	1491	IMPORT "johnpye/conopt/conopt";
4
5	jpye	1345	(*
6			This example model comes from the CONOPT documentation, which is
7			distributed with CONOPT.
8			*)
9	jpye	1491	MODEL conopttest;
10	johnpye	786	Profit, Inp, Out IS_A solver_var;
11	johnpye	788	P, L IS_A solver_var;
12	johnpye	786
13	johnpye	788	K IS_A real_constant;
14	johnpye	791	Al, Ak, Ainp, Rho IS_A solver_var;
15	johnpye	786	Pinp, P0, D IS_A real_constant;
16			W, L0, K0 IS_A real_constant;
17
18	johnpye	788	cesfn: Out = ( AlL^(-Rho) + AkK^(-Rho) + Ainp*Inp^(-Rho) )^(-1/Rho);
19	johnpye	786
20	johnpye	788	demandfn: Out = ( P0 - P ) / D;
21	johnpye	786
22			W :== 1.0;
23			L0 :== 0.1;
24			Pinp :== 1.0;
25	johnpye	791
26	johnpye	786	K0 :== 4.0;
27			P0 :== 2.0;
28			D :== 0.5;
29	johnpye	788	K :== K0;
30	johnpye	786
31	johnpye	788	profitfn: Profit = POut - (L-L0)W - Inp*Pinp;
32			maxprofit: MAXIMIZE Profit;
33	johnpye	786
34			METHODS
35
36			METHOD default_self;
37	johnpye	789	L := 0.5;
38			Inp := 0.5;
39	johnpye	786	END default_self;
40
41			METHOD specify;
42	johnpye	791	FIX Al, Ak, Ainp, Rho;
43	johnpye	786	END specify;
44
45			METHOD values;
46	johnpye	791	Al := 0.16;
47			Ak := 2.00;
48			Ainp := 0.16;
49			Rho := 1.0;
50
51	johnpye	788	L.lower_bound := L0;
52			P.lower_bound := 0;
53			Out.lower_bound := 0;
54	johnpye	789	Inp.lower_bound := -0.001;
55	johnpye	786	END values;
56
57			METHOD on_load;
58			RUN default_self;
59			RUN specify;
60			RUN values;
61			END on_load;
62
63			METHOD self_test;
64	johnpye	788	ASSERT abs(L - 0.295686) < 0.000001;
65			ASSERT abs(Inp - 0.295686) < 0.000001;
66			ASSERT abs(Out - 0.632019) < 0.000001;
67			ASSERT abs(P - 1.683990) < 0.000001;
68	johnpye	786	END self_test;
69
70	jpye	1491	END conopttest;