Method testBenchmark

tests/backend/gsl/ExpressionParserTest.cpp:573–611

}

void ExpressionParserTest::testBenchmark() {
	const QString expr = QStringLiteral("atan2(x;y) + sqrt(x)");
	const QStringList vars = {QStringLiteral("x"), QStringLiteral("y")};

	const int values = 3000;

	{
		QVector<QVector<double>*> xVectors;

		auto* x = new QVector<double>(values);
		auto* y = new QVector<double>(values);
		for (int i = 0; i < values; i++) {
			if (i % 2 == 0) {
				x->operator[](i) = 5.;
				y->operator[](i) = 2.;
			} else {
				x->operator[](i) = 24.;
				y->operator[](i) = 22.;
			}
		}

		xVectors << x; // x
		xVectors << y; // y
		QVector<double> yVector(values); // random value
		QBENCHMARK {
			auto* parser = ExpressionParser::getInstance();
			parser->tryEvaluateCartesian(expr, vars, xVectors, &yVector, true);
		}
		// QCOMPARE(QLatin1String(Parsing::lastErrorMessage()), QStringLiteral(""));

		QCOMPARE(yVector.size(), values);
		for (int i = 0; i < values; i++) {
			if (i % 2 == 0) {
				VALUES_EQUAL(yVector.at(i), 3.42635792718232);
			} else {
				VALUES_EQUAL(yVector.at(i), 5.72782854435533);
			}
		}
	}

	{
		QVector<QVector<double>*> xVectors;