Example usage for org.apache.commons.math3.complex Complex isNaN

Introduction

In this page you can find the example usage for org.apache.commons.math3.complex Complex isNaN.

Prototype

boolean isNaN

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Document

Record whether this complex number is equal to NaN.

Usage

From source file:org.nd4j.linalg.util.ComplexUtil.java

/**
 * Raise a complex number to a power//  w  ww. ja  v  a 2s .  com
 *
 * @param num   the number to raise
 * @param power the power to raise to
 * @return the number raised to a power
 */
public static IComplexNumber pow(IComplexNumber num, IComplexNumber power) {
    Complex c = new Complex(num.realComponent().doubleValue(), num.imaginaryComponent().doubleValue())
            .pow(new Complex(power.realComponent().doubleValue(), power.imaginaryComponent().doubleValue()));
    if (c.isNaN())
        c = new Complex(Nd4j.EPS_THRESHOLD, 0.0);
    return Nd4j.createDouble(c.getReal(), c.getImaginary());

}

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From source file:org.nd4j.linalg.util.ComplexUtil.java

/**
 * Raise a complex number to a power/*from   ww  w  . j  a va2  s.  c  om*/
 *
 * @param num   the number to raise
 * @param power the power to raise to
 * @return the number raised to a power
 */
public static IComplexNumber pow(IComplexNumber num, double power) {
    Complex c = new Complex(num.realComponent().doubleValue(), num.imaginaryComponent().doubleValue())
            .pow(power);
    if (c.isNaN())
        c = new Complex(Nd4j.EPS_THRESHOLD, 0.0);
    return Nd4j.createDouble(c.getReal(), c.getImaginary());

}

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