Method testPerformance_first

tests/nsl/diff/NSLDiffTest.cpp:137–149

// ##############################################################################

void NSLDiffTest::testPerformance_first() {
	const int NN = 1e6;
	QScopedArrayPointer<double> xdata(new double[NN]);
	QScopedArrayPointer<double> ydata(new double[NN]);

	for (int i = 0; i < NN; i++)
		xdata[i] = ydata[i] = (double)i;

	QBENCHMARK {
		int status = nsl_diff_first_deriv(xdata.data(), ydata.data(), NN, 2);
		QCOMPARE(status, 0);
	}
}

void NSLDiffTest::testPerformance_second() {
	const int NN = 1e6;