Exemplos de SymEngine::parse em C++ (Cpp)

Exemplo n.º 1

Arquivo: test_parser.cpp Projeto: chenchfort/symengine

using SymEngine::real_double;
using SymEngine::RealDouble;
using SymEngine::E;
using SymEngine::parse;
using SymEngine::max;
using SymEngine::min;
using SymEngine::loggamma;
using SymEngine::gamma;

TEST_CASE("Parsing: integers, basic operations", "[parser]")
{
    std::string s;
    RCP<const Basic> res;

    s = "-3-5";
    res = parse(s);
    REQUIRE(eq(*res, *integer(-8)));

    s = "((3)+(1*0))";
    res = parse(s);
    REQUIRE(eq(*res, *integer(3)));

    s = "((2))*(1+(2*3))";
    res = parse(s);
    REQUIRE(eq(*res, *integer(14)));

    s = "(1+1)*((1+1)+(1+1))";
    res = parse(s);
    REQUIRE(eq(*res, *integer(8)));

    s = "(1*3)*(2+4)*(2)";

Exemplo n.º 2

Arquivo: test_parser.cpp Projeto: altairpearl/symengine

using SymEngine::min;
using SymEngine::loggamma;
using SymEngine::gamma;
using SymEngine::UIntPoly;
using SymEngine::from_basic;
using SymEngine::ParseError;

using namespace SymEngine::literals;

TEST_CASE("Parsing: integers, basic operations", "[parser]")
{
    std::string s;
    RCP<const Basic> res;

    s = "-3-5";
    res = parse(s);
    REQUIRE(eq(*res, *integer(-8)));

    s = "((3)+(1*0))";
    res = parse(s);
    REQUIRE(eq(*res, *integer(3)));

    s = "((2))*(1+(2*3))";
    res = parse(s);
    REQUIRE(eq(*res, *integer(14)));

    s = "(1+1)*((1+1)+(1+1))";
    res = parse(s);
    REQUIRE(eq(*res, *integer(8)));

    s = "(1*3)*(2+4)*(2)";