CRuntimeCompiledExpression_unittest.cpp

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          http://www.mrpt.org/                          |
   |                                                                        |
   | Copyright (c) 2005-2017, Individual contributors, see AUTHORS file     |
   | See: http://www.mrpt.org/Authors - All rights reserved.                |
   | Released under BSD License. See details in http://www.mrpt.org/License |
   +------------------------------------------------------------------------+ */
 
#include <mrpt/math/CRuntimeCompiledExpression.h>
#include <mrpt/utils/CTraitsTest.h>
#include <gtest/gtest.h>
 
template class mrpt::utils::CTraitsTest<mrpt::math::CRuntimeCompiledExpression>;
 
using namespace mrpt;
using namespace mrpt::utils;
using namespace mrpt::math;
using namespace std;
 
TEST(RuntimeCompiledExpression, SimpleTest)
{
        mrpt::math::CRuntimeCompiledExpression expr;
        std::map<std::string, double> vars;
 
        vars["x"] = 5.0;
        vars["y"] = 3.0;
        expr.compile("x^2+x*y+1", vars);
 
        EXPECT_NEAR(
                expr.eval(), vars["x"] * vars["x"] + vars["x"] * vars["y"] + 1.0, 1e-9);
}