@Test
public void testElementWiseOps() {
IComplexNDArray n1 = Nd4j.complexScalar(1);
IComplexNDArray n2 = Nd4j.complexScalar(2);
assertEquals(Nd4j.complexScalar(3), n1.add(n2));
assertFalse(n1.add(n2).equals(n1));
IComplexNDArray n3 = Nd4j.complexScalar(3);
IComplexNDArray n4 = Nd4j.complexScalar(4);
IComplexNDArray subbed = n4.sub(n3);
IComplexNDArray mulled = n4.mul(n3);
IComplexNDArray div = n4.div(n3);
assertFalse(subbed.equals(n4));
assertFalse(mulled.equals(n4));
assertEquals(Nd4j.complexScalar(1), subbed);
assertEquals(Nd4j.complexScalar(12), mulled);
assertEquals(Nd4j.complexScalar(1.3333333333333333), div);
IComplexNDArray multiDimensionElementWise =
Nd4j.createComplex(Nd4j.create(Nd4j.linspace(1, 24, 24).data(), new int[] {4, 3, 2}));
IComplexNumber sum2 = multiDimensionElementWise.sumComplex();
assertEquals(sum2, Nd4j.createDouble(300, 0));
IComplexNDArray added = multiDimensionElementWise.add(Nd4j.complexScalar(1));
IComplexDouble sum3 = (IComplexDouble) added.sumComplex();
assertEquals(sum3, Nd4j.createDouble(324, 0));
}
@Test
public void testComplexCalculation() {
IComplexNDArray arr =
Nd4j.createComplex(
new IComplexNumber[][] {
{Nd4j.createComplexNumber(1, 1), Nd4j.createComplexNumber(2, 1)},
{Nd4j.createComplexNumber(3, 2), Nd4j.createComplexNumber(4, 2)}
});
IComplexNumber scalar = arr.sumComplex();
double sum = scalar.realComponent().doubleValue();
assertEquals(10, sum, 1e-1);
double sumImag = scalar.imaginaryComponent().doubleValue();
assertEquals(6, sumImag, 1e-1);
IComplexNDArray res = arr.add(Nd4j.createComplexNumber(1, 1));
scalar = res.sumComplex();
sum = scalar.realComponent().doubleValue();
assertEquals(14, sum, 1e-1);
sumImag = scalar.imaginaryComponent().doubleValue();
assertEquals(10, sumImag, 1e-1);
// original array should keep as it is
sum = arr.sumComplex().realComponent().doubleValue();
assertEquals(10, sum, 1e-1);
}