1 /*
2  *	This file is part of qpOASES.
3  *
4  *	qpOASES -- An Implementation of the Online Active Set Strategy.
5  *	Copyright (C) 2007-2017 by Hans Joachim Ferreau, Andreas Potschka,
6  *	Christian Kirches et al. All rights reserved.
7  *
8  *	qpOASES is free software; you can redistribute it and/or
9  *	modify it under the terms of the GNU Lesser General Public
10  *	License as published by the Free Software Foundation; either
11  *	version 2.1 of the License, or (at your option) any later version.
12  *
13  *	qpOASES is distributed in the hope that it will be useful,
14  *	but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16  *	See the GNU Lesser General Public License for more details.
17  *
18  *	You should have received a copy of the GNU Lesser General Public
19  *	License along with qpOASES; if not, write to the Free Software
20  *	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
21  *
22  */
23 
24 
25 /**
26  *	\file testing/cpp/test_example1a.cpp
27  *	\author Hans Joachim Ferreau
28  *	\version 3.2
29  *	\date 2007-2017
30  *
31  *	Very simple example for testing qpOASES using the SQProblem class.
32  */
33 
34 
35 
36 #include <qpOASES.hpp>
37 #include <qpOASES/UnitTesting.hpp>
38 
39 
40 /** Example for qpOASES main function using the SQProblem class. */
41 int main( )
42 {
43 	USING_NAMESPACE_QPOASES
44 
45 	/* Setup data of first QP. */
46 	real_t H[2*2] = { 1.0, 0.0, 0.0, 0.5 };
47 	real_t A[1*2] = { 1.0, 1.0 };
48 	real_t g[2] = { 1.5, 1.0 };
49 	real_t lb[2] = { 0.5, -2.0 };
50 	real_t ub[2] = { 5.0, 2.0 };
51 	real_t lbA[1] = { -1.0 };
52 	real_t ubA[1] = { 2.0 };
53 
54 	/* Setup data of second QP. */
55 	real_t H_new[2*2] = { 1.0, 0.5, 0.5, 0.5 };
56 	real_t A_new[1*2] = { 1.0, 5.0 };
57 	real_t g_new[2] = { 1.0, 1.5 };
58 	real_t lb_new[2] = { 0.0, -1.0 };
59 	real_t ub_new[2] = { 5.0, -0.5 };
60 	real_t lbA_new[1] = { -2.0 };
61 	real_t ubA_new[1] = { 1.0 };
62 
63 
64 	/* Setting up SQProblem object. */
65 	SQProblem example( 2,1 );
66 
67 	/* Solve first QP. */
68 	int_t nWSR = 10;
69 	example.init( H,g,A,lb,ub,lbA,ubA, nWSR,0 );
70 
71 	real_t xOpt[2];
72 	real_t yOpt[2+1];
73 	example.getPrimalSolution( xOpt );
74 	example.getDualSolution( yOpt );
75 
76 	/* Compute KKT tolerances */
77 	real_t stat, feas, cmpl;
78 	SolutionAnalysis analyzer;
79 
80 	analyzer.getKktViolation( &example, &stat,&feas,&cmpl );
81 	printf( "stat = %e\nfeas = %e\ncmpl = %e\n", stat,feas,cmpl );
82 
83 	QPOASES_TEST_FOR_TOL( stat,1e-15 );
84 	QPOASES_TEST_FOR_TOL( feas,1e-15 );
85 	QPOASES_TEST_FOR_TOL( cmpl,1e-15 );
86 
87 
88 	/* Solve second QP. */
89 	nWSR = 10;
90 	example.hotstart( H_new,g_new,A_new,lb_new,ub_new,lbA_new,ubA_new, nWSR,0 );
91 
92 	/* Get and print solution of second QP. */
93 	example.getPrimalSolution( xOpt );
94 	example.getDualSolution( yOpt );
95 	printf( "\nxOpt = [ %e, %e ];  objVal = %e\n\n", xOpt[0],xOpt[1],example.getObjVal() );
96 
97 	/* Compute KKT tolerances */
98 	analyzer.getKktViolation( &example, &stat,&feas,&cmpl );
99 	printf( "stat = %e\nfeas = %e\ncmpl = %e\n", stat,feas,cmpl );
100 
101 	QPOASES_TEST_FOR_TOL( stat,2e-15 );
102 	QPOASES_TEST_FOR_TOL( feas,1e-15 );
103 	QPOASES_TEST_FOR_TOL( cmpl,1e-15 );
104 
105 	return TEST_PASSED;
106 }
107 
108 
109 /*
110  *	end of file
111  */
112