Example usage for org.apache.commons.math.complex Complex log

Introduction

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

Prototype

public Complex log() 

Source Link

Document

Compute the <a href="http://mathworld.wolfram.com/NaturalLogarithm.html" TARGET="_top"> natural logarithm</a> of this complex number.

Usage

From source file:geogebra.common.kernel.geos.GeoVec2D.java

/**
 * c = a ^ b Michael Borcherds 2009-03-10
 * //from   w  w  w  . jav a  2  s  . c  o  m
 * @param a
 *            base
 * @param b
 *            power
 * @param c
 *            result
 */
final public static void complexPower(GeoVec2D a, NumberValue b, GeoVec2D c) {
    Complex out = new Complex(a.x, a.y);
    out = out.log().multiply(b.getDouble()).exp();
    c.x = out.getReal();
    c.y = out.getImaginary();
    c.setMode(Kernel.COORD_COMPLEX);
}

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From source file:geogebra.common.kernel.geos.GeoVec2D.java

/**
 * c = natural log(a) Michael Borcherds 2009-03-10
 * /*from   w ww  .ja  va 2s .c  o m*/
 * @param a
 *            a
 * @param c
 *            logaritmus of a
 */
final public static void complexLog(GeoVec2D a, GeoVec2D c) {
    Complex out = new Complex(a.x, a.y);
    out = out.log();
    c.x = out.getReal();
    c.y = out.getImaginary();
    c.setMode(Kernel.COORD_COMPLEX);
}

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