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

Introduction

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

Prototype

public Complex cos() 

Source Link

Document

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

Usage

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

/**
 * c = cos(a) /*from  www .j a v a 2 s. c  om*/
 * 
 * @param a
 *            a
 * @param c
 *            c
 */
final public static void complexCos(GeoVec2D a, GeoVec2D c) {
    Complex out = new Complex(a.x, a.y);
    out = out.cos();
    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 = sec(a) /*w  ww  . ja v a2 s  .  c o  m*/
 * 
 * @param a
 *            a
 * @param c
 *            c
 */
final public static void complexSec(GeoVec2D a, GeoVec2D c) {
    Complex out = new Complex(a.x, a.y);
    out = Complex.ONE.divide(out.cos());

    c.x = out.getReal();
    c.y = out.getImaginary();

    c.setMode(Kernel.COORD_COMPLEX);
}

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