de.mirkosertic.bytecoder.classlib.java.lang.TDouble Maven / Gradle / Ivy
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Bytecoder java.base Module
/*
* Copyright 2017 Mirko Sertic
*
* 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 de.mirkosertic.bytecoder.classlib.java.lang;
import de.mirkosertic.bytecoder.api.SubstitutesInClass;
import de.mirkosertic.bytecoder.classlib.VM;
@SubstitutesInClass(completeReplace = true)
public class TDouble extends Number {
private final double doubleValue;
public TDouble(double aDoubleValue) {
doubleValue = aDoubleValue;
}
@Override
public boolean equals(Object o) {
if (this == o)
return true;
if (o == null || getClass() != o.getClass())
return false;
Double aDouble = (Double) o;
if (Double.compare(aDouble.doubleValue(), doubleValue) != 0)
return false;
return true;
}
@Override
public int hashCode() {
return (int) doubleValue;
}
@Override
public int intValue() {
return (int) doubleValue;
}
@Override
public byte byteValue() {
return (byte) doubleValue;
}
@Override
public short shortValue() {
return (short) doubleValue;
}
@Override
public float floatValue() {
return (float) doubleValue;
}
@Override
public long longValue() {
return (long) doubleValue;
}
@Override
public double doubleValue() {
return doubleValue;
}
public static int compare(double d1, double d2) {
if(d1 < d2) {
return -1;
}
if(d1 > d2) {
return 1;
}
return 0;
}
public static double parseDouble(String aValue) {
int p = aValue.indexOf('.');
if (p<0) {
return VM.stringToLong(aValue);
}
String thePrefix = aValue.substring(0, p);
String theSuffix = aValue.substring(p + 1);
long theA = VM.stringToLong(thePrefix);
long theB = VM.stringToLong(theSuffix);
int theMultiplier = 1;
int theLength = Long.toString(theB).length();
while(theLength > 0) {
theMultiplier *= 10;
theLength--;
}
if (theA > 0) {
return theA + ((double) theB) / theMultiplier;
}
return theA - ((double) theB) / theMultiplier;
}
@Override
public String toString() {
return toString(doubleValue);
}
public static Double valueOf(String aValue) {
return new Double(parseDouble(aValue));
}
public static Double valueOf(double aValue) {
return new Double(aValue);
}
public static String toString(double aValue) {
StringBuilder theBuffer = new StringBuilder();
theBuffer.append(aValue);
return theBuffer.toString();
}
}