C++ (Cpp) LambdaRealDoubleVisitor::init Beispiele

Beispiel #1

Datei: test_lambda_double.cpp Projekt: Nitin216/symengine

    r = max({x, add(mul(y, z), integer(3))});
    v.init({x, y, z}, *r);

    d = v.call({4.0, 1.0, 2.5});
    REQUIRE(::fabs(d - 5.5) < 1e-12);

    r = min({pow(x, y), add(mul(y, z), integer(3))});
    v.init({x, y, z}, *r);

    d = v.call({4.0, 2.0, 2.5});
    REQUIRE(::fabs(d - 8.0) < 1e-12);

    // Evaluating to double when there are complex doubles raise an exception
    CHECK_THROWS_AS(
        v.init({x}, *add(complex_double(std::complex<double>(1, 2)), x)),
        std::runtime_error);

    // Undefined symbols raise an exception
    CHECK_THROWS_AS(v.init({x}, *r), std::runtime_error);
}

TEST_CASE("Evaluate to std::complex<double>", "[lambda_complex_double]")
{
    RCP<const Basic> x, y, z, r;
    std::complex<double> d;
    x = symbol("x");
    y = symbol("y");
    z = symbol("z");

    r = add(x,

Beispiel #2

Datei: test_lambda_double.cpp Projekt: Piruzzolo/symengine

    r = max({x, add(mul(y, z), integer(3))});
    v.init({x, y, z}, *r);

    d = v.call({4.0, 1.0, 2.5});
    REQUIRE(::fabs(d - 5.5) < 1e-12);

    r = min({pow(x, y), add(mul(y, z), integer(3))});
    v.init({x, y, z}, *r);

    d = v.call({4.0, 2.0, 2.5});
    REQUIRE(::fabs(d - 8.0) < 1e-12);

    // Evaluating to double when there are complex doubles raise an exception
    CHECK_THROWS_AS(
        v.init({x}, *add(complex_double(std::complex<double>(1, 2)), x)),
        NotImplementedError);

    // Undefined symbols raise an exception
    CHECK_THROWS_AS(v.init({x}, *r), SymEngineException);
}

TEST_CASE("Evaluate to std::complex<double>", "[lambda_complex_double]")
{
    RCP<const Basic> x, y, z, r;
    std::complex<double> d;
    x = symbol("x");
    y = symbol("y");
    z = symbol("z");

    r = add(x,