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();
}
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 BuilderCanBeUsedOnlyWhenMappingsAreDefined()
{
var builder = new DiscreteGridPointCoverageBuilder();
var variables = Enumerable.Empty <IVariable>();
builder.CanBuildFunction(variables)
.Should("building function with empty list of variables").Be.False();
}
