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/********************************************************************* | ||
Author: Soonho Kong <soonhok@cs.cmu.edu> | ||
dReal -- Copyright (C) 2013 - 2016, the dReal Team | ||
dReal is free software: you can redistribute it and/or modify | ||
it under the terms of the GNU General Public License as published by | ||
the Free Software Foundation, either version 3 of the License, or | ||
(at your option) any later version. | ||
dReal is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
GNU General Public License for more details. | ||
You should have received a copy of the GNU General Public License | ||
along with dReal. If not, see <http://www.gnu.org/licenses/>. | ||
*********************************************************************/ | ||
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// Related issue: https://github.com/ibex-team/ibex-lib/issues/145 | ||
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#include <algorithm> | ||
#include <iostream> | ||
#include "ibex/ibex.h" | ||
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using ibex::Variable; | ||
using ibex::Function; | ||
using ibex::NumConstraint; | ||
using ibex::CtcFwdBwd; | ||
using ibex::IntervalVector; | ||
using ibex::Interval; | ||
using ibex::ExprSymbol; | ||
using std::cout; | ||
using std::endl; | ||
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int main() { | ||
Variable x1,x2; | ||
Function f(x1,x2,ibex::Return(x1 - 1, ibex::asin(x2) - x1)); | ||
double init_box[][2]={{1, 1}, {1.570796326794893, 1.570796326794901}}; | ||
IntervalVector box(2,init_box); | ||
ibex::CtcNewton newton(f); | ||
cout << "Before: " << box << endl; | ||
newton.contract(box); | ||
cout << "After: " << box << endl; | ||
return 0; | ||
} |