public void testConstruction()
{
//("Testing sampled curve construction...");
SampledCurve curve = new SampledCurve(Utils.BoundedGrid(-10.0, 10.0, 100));
FSquared f2 = new FSquared();
curve.sample(f2.value);
double expected = 100.0;
if (Math.Abs(curve.value(0) - expected) > 1e-5)
{
Assert.Fail("function sampling failed");
}
curve.setValue(0, 2.0);
if (Math.Abs(curve.value(0) - 2.0) > 1e-5)
{
Assert.Fail("curve value setting failed");
}
Vector value = curve.values();
value[1] = 3.0;
if (Math.Abs(curve.value(1) - 3.0) > 1e-5)
{
Assert.Fail("curve value grid failed");
}
curve.shiftGrid(10.0);
if (Math.Abs(curve.gridValue(0) - 0.0) > 1e-5)
{
Assert.Fail("sample curve shift grid failed");
}
if (Math.Abs(curve.value(0) - 2.0) > 1e-5)
{
Assert.Fail("sample curve shift grid - value failed");
}
curve.sample(f2.value);
curve.regrid(Utils.BoundedGrid(0.0, 20.0, 200));
double tolerance = 1.0e-2;
for (int i = 0; i < curve.size(); i++)
{
double grid = curve.gridValue(i);
double v = curve.value(i);
double exp = f2.value(grid);
if (Math.Abs(v - exp) > tolerance)
{
Assert.Fail("sample curve regriding failed" +
"\n at " + (i + 1) + " point " + "(x = " + grid + ")" +
"\n grid value: " + v +
"\n expected: " + exp);
}
}
}
public void testConstruction()
{
//("Testing sampled curve construction...");
SampledCurve curve = new SampledCurve(Utils.BoundedGrid(-10.0, 10.0, 100));
FSquared f2 = new FSquared();
curve.sample(f2.value);
double expected = 100.0;
if (Math.Abs(curve.value(0) - expected) > 1e-5)
{
Assert.Fail("function sampling failed");
}
curve.setValue(0, 2.0);
if (Math.Abs(curve.value(0) - 2.0) > 1e-5)
{
Assert.Fail("curve value setting failed");
}
Vector value = curve.values();
value[1] = 3.0;
if (Math.Abs(curve.value(1) - 3.0) > 1e-5)
{
Assert.Fail("curve value grid failed");
}
curve.shiftGrid(10.0);
if (Math.Abs(curve.gridValue(0) - 0.0) > 1e-5)
{
Assert.Fail("sample curve shift grid failed");
}
if (Math.Abs(curve.value(0) - 2.0) > 1e-5)
{
Assert.Fail("sample curve shift grid - value failed");
}
curve.sample(f2.value);
curve.regrid(Utils.BoundedGrid(0.0, 20.0, 200));
double tolerance = 1.0e-2;
for (int i = 0; i < curve.size(); i++)
{
double grid = curve.gridValue(i);
double v = curve.value(i);
double exp = f2.value(grid);
if (Math.Abs(v - exp) > tolerance)
{
Assert.Fail("sample curve regriding failed" +
"\n at " + (i + 1) + " point " + "(x = " + grid + ")" +
"\n grid value: " + v +
"\n expected: " + exp);
}
}
}
