Function calcComplex

tests/testfn.h:1564–1568

	&calcCamel, NULL };

static double calcComplex( const double* const x, const int N )
{
	return( sqr(pow(x[0],3.0)-3.0*x[0]*sqr(x[1])-1.0)+
		sqr(3.0*x[1]*sqr(x[0])-pow(x[1],3.0)) );
}

static const CTestFn TestFnComplex = { "Complex", 2, -2.0, 2.0, 0.0,
	&calcComplex, NULL };