nd4j-backends/nd4j-api-parent/nd4j-api/src/main/java/org/nd4j/linalg/util/ComplexUtil.java
public static IComplexNumber ceil(IComplexNumber num) {
        Complex c = new Complex(FastMath.ceil(num.realComponent().doubleValue()),
                        FastMath.ceil(num.imaginaryComponent().doubleValue()));
        return Nd4j.createDouble(c.getReal(), c.getImaginary());
    }
public static IComplexNumber ceil(IComplexNumber num) {
        Complex c = new Complex(FastMath.ceil(num.realComponent().doubleValue()),
                        FastMath.ceil(num.imaginaryComponent().doubleValue()));
        return Nd4j.createDouble(c.getReal(), c.getImaginary());
    }
public static IComplexNumber ceil ( IComplexNumber num ) { Complex c = new Complex ( FastMath . ceil ( num . realComponent ( ) . doubleValue ( ) ) , FastMath . ceil ( num . imaginaryComponent ( ) . doubleValue ( ) ) ) ; return Nd4j . createDouble ( c . getReal ( ) , c . getImaginary ( ) ) ; }
Return the  ceiling value of the given complex number

@param num the number to getScalar the absolute value for
@return the absolute value of this complex number
Return the ceiling value of the given complex number