public void BuilderCanBeUsedOnlyWhenMappingsAreDefined()
{
var builder = new DiscreteGridPointCoverageBuilder();
var variables = Enumerable.Empty<IVariable>();
builder.CanBuildFunction(variables)
.Should("building function with empty list of variables").Be.False();
}
public void CreateFunction()
{
var index1Variable = new Variable<int>("index1") { Values = {0, 1, 2} };
var index2Variable = new Variable<int>("index2") { Values = {0, 1} };
var xVariable = new Variable<double>("x") { Arguments = { index1Variable, index2Variable } };
var yVariable = new Variable<double>("y") { Arguments = { index1Variable, index2Variable } };
var valuesVariable = new Variable<double>("value") { Arguments = { index1Variable, index2Variable } };
xVariable.SetValues(new[,]
{
{1.0, 2.0, 3.0},
{4.0, 5.0, 6.0}
});
yVariable.SetValues(new[,]
{
{1.0, 2.0, 3.0},
{4.0, 5.0, 6.0}
});
valuesVariable.SetValues(new[,]
{
{1.0, 2.0, 3.0},
{4.0, 5.0, 6.0}
});
var variables = new IVariable[] { index1Variable, index2Variable, xVariable, yVariable, valuesVariable };
var builder = new DiscreteGridPointCoverageBuilder
{
Index1VariableName = "index1",
Index2VariableName = "index2",
XVariableName = "x",
YVariableName = "y",
ValuesVariableName = "value"
};
var coverage = (IDiscreteGridPointCoverage)builder.CreateFunction((variables));
Assert.AreEqual(3, coverage.Index1.Values.Count);
Assert.AreEqual(2, coverage.Index2.Values.Count);
Assert.AreEqual(6, coverage.X.Values.Count);
Assert.AreEqual(6, coverage.Y.Values.Count);
Assert.AreEqual(5.0, coverage.Evaluate<double>(5.0, 5.0));
}
public void CreateBuilder()
{
var iVariable = new Variable<int>("i");
var jVariable = new Variable<int>("j");
var xVariable = new Variable<double>("x") { Arguments = { iVariable, jVariable } };
var yVariable = new Variable<double>("y") { Arguments = { iVariable, jVariable } };
var valuesVariable = new Variable<double>("value") { Arguments = { iVariable, jVariable } };
var variables = new IVariable[] { xVariable, yVariable, valuesVariable, iVariable, jVariable };
var builder = new DiscreteGridPointCoverageBuilder
{
ValuesVariableName = "value",
Index1VariableName = "i",
Index2VariableName = "j",
XVariableName = "x",
YVariableName = "y",
};
builder.CanBuildFunction(variables).Should().Be.True();
}