@Test
public void testConstructor() {
float[] da = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11};
ComplexFloatDataset a = new ComplexFloatDataset(da);
assertEquals(Dataset.COMPLEX64, a.getDtype());
assertEquals(2, a.getElementsPerItem());
assertEquals(8, a.getItemsize());
IndexIterator it = a.getIterator();
for (int i = 0; it.hasNext(); i++) {
assertEquals(i * 2, a.getElementDoubleAbs(it.index), 1e-5 * i);
}
ComplexFloatDataset b = new ComplexFloatDataset(da, 3, 2);
it = b.getIterator();
for (int i = 0; it.hasNext(); i++) {
assertEquals(i * 2, b.getElementDoubleAbs(it.index), 1e-5 * i);
}
Dataset aa = Maths.abs(a);
assertEquals(Dataset.FLOAT32, aa.getDtype());
assertEquals(1, aa.getElementsPerItem());
assertEquals(4, aa.getItemsize());
// test hashes
a.hashCode();
b.hashCode();
aa.hashCode();
}
@Test
public void testMaths() {
double[] da = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11};
DoubleDataset a = new DoubleDataset(da);
Dataset r = Maths.add(a, a);
IndexIterator it = r.getIterator();
for (int i = 0; it.hasNext(); i++) {
assertEquals(2. * i, r.getElementDoubleAbs(it.index), 1e-5 * i);
}
}