CRuntimeCompiledExpression_unittest.cpp

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          https://www.mrpt.org/                         |
   |                                                                        |
   | Copyright (c) 2005-2020, Individual contributors, see AUTHORS file     |
   | See: https://www.mrpt.org/Authors - All rights reserved.               |
   | Released under BSD License. See: https://www.mrpt.org/License          |
   +------------------------------------------------------------------------+ */

#include <CTraitsTest.h>
#include <gtest/gtest.h>
#include <mrpt/expr/CRuntimeCompiledExpression.h>

template class mrpt::CTraitsTest<mrpt::expr::CRuntimeCompiledExpression>;

TEST(RuntimeCompiledExpression, SimpleTest)
{
    mrpt::expr::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);
}