org.ejml.data.Complex_F32 Maven / Gradle / Ivy
/*
* Copyright (c) 2009-2017, Peter Abeles. All Rights Reserved.
*
* This file is part of Efficient Java Matrix Library (EJML).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.ejml.data;
import org.ejml.ops.ComplexMath_F32;
import java.io.Serializable;
/**
*
* Represents a complex number using 64bit floating point numbers. A complex number is composed of
* a real and imaginary components.
*
*/
public class Complex_F32 implements Serializable {
public float real;
public float imaginary;
public Complex_F32(float real, float imaginary) {
this.real = real;
this.imaginary = imaginary;
}
public Complex_F32() {
}
public float getReal() {
return real;
}
public float getMagnitude() {
return (float)Math.sqrt(real*real + imaginary*imaginary);
}
public float getMagnitude2() {
return real*real + imaginary*imaginary;
}
public void setReal(float real) {
this.real = real;
}
public float getImaginary() {
return imaginary;
}
public void setImaginary(float imaginary) {
this.imaginary = imaginary;
}
public void set(float real, float imaginary) {
this.real = real;
this.imaginary = imaginary;
}
public void set(Complex_F32 a) {
this.real = a.real;
this.imaginary = a.imaginary;
}
public boolean isReal() {
return imaginary == 0.0f;
}
public String toString() {
if( imaginary == 0 ) {
return ""+real;
} else {
return real+" "+imaginary+"i";
}
}
public Complex_F32 plus(Complex_F32 a ) {
Complex_F32 ret = new Complex_F32();
ComplexMath_F32.plus(this,a,ret);
return ret;
}
public Complex_F32 minus(Complex_F32 a ) {
Complex_F32 ret = new Complex_F32();
ComplexMath_F32.minus(this, a, ret);
return ret;
}
public Complex_F32 times(Complex_F32 a ) {
Complex_F32 ret = new Complex_F32();
ComplexMath_F32.multiply(this,a,ret);
return ret;
}
public Complex_F32 divide(Complex_F32 a ) {
Complex_F32 ret = new Complex_F32();
ComplexMath_F32.divide(this,a,ret);
return ret;
}
}