public void GlobalSetup()
{
// prepare some functions
AllSections sections = new AllSections()
{
DimensionSection = new DimensionSection(),
ParametersSection = new ParametersSection()
{
Content = ""
},
CostFunctionSection = new CostFunctionSection(),
ConstraintsSection = new ConstraintsSection()
};
TaskParser parser = new TaskParser();
sections.DimensionSection.Dim = 1;
sections.CostFunctionSection.Function = "pow2(x[0]) + 10";
funcRank1Simple = parser.compileCostFunction(sections).Function;
sections.DimensionSection.Dim = 4;
sections.CostFunctionSection.Function = "x[0] + x[1] + x[2] + x[3]";
funcRank4Simple = parser.compileCostFunction(sections).Function;
sections.DimensionSection.Dim = 1;
sections.CostFunctionSection.Function = "sin(x[0]) * exp(x[0]) + ln(x[0]) * x[0]";
funcRank1Complex = parser.compileCostFunction(sections).Function;
sections.DimensionSection.Dim = 4;
sections.CostFunctionSection.Function = "sin(x[0]) * exp(x[1]) + ln(x[2]) * x[3]";
funcRank4Complex = parser.compileCostFunction(sections).Function;
Random r = new Random();
x0 = r.NextDouble();
x1 = r.NextDouble();
x2 = r.NextDouble();
x3 = r.NextDouble();
point = new DenseVector(new double[] { x0, x1, x2, x3 });
}
public void CompileCostFunction_simple()
{
testSections.CostFunctionSection.Function = "x[0] + 2.0 * x[1]";
var func = parser.compileCostFunction(testSections).Function;
Assert.AreEqual(0.0, func(makePoint(0.0, 0.0)));
Assert.AreEqual(1.0, func(makePoint(1.0, 0.0)));
Assert.AreEqual(-2.0, func(makePoint(0.0, -1.0)));
Assert.AreEqual(8.0, func(makePoint(2.0, 3.0)));
testSections.CostFunctionSection.Function = "x[0] * x[0] + 3.0";
func = parser.compileCostFunction(testSections).Function;
Assert.AreEqual(3.0, func(makePoint(0.0)));
Assert.AreEqual(3.0, func(makePoint(0.0)));
Assert.AreEqual(7.0, func(makePoint(2.0)));
}