java.lang.Double Maven / Gradle / Ivy

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/*
 * Copyright 2016 Carlos Ballesteros Velasco
 *
 * 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 java.lang;

import jtransc.annotation.JTranscKeep;

public final class Double extends Number implements Comparable {
	public static final double POSITIVE_INFINITY = 1.0 / 0.0;
	public static final double NEGATIVE_INFINITY = -1.0 / 0.0;
	public static final double NaN = 0.0d / 0.0;
	public static final double MAX_VALUE = 0x1.fffffffffffffP+1023; // 1.7976931348623157e+308
	public static final double MIN_NORMAL = 0x1.0p-1022; // 2.2250738585072014E-308
	public static final double MIN_VALUE = 0x0.0000000000001P-1022; // 4.9e-324
	public static final int MAX_EXPONENT = 1023;
	public static final int MIN_EXPONENT = -1022;
	public static final int SIZE = 64;
	public static final int BYTES = SIZE / Byte.SIZE;

	public static final Class TYPE = (Class) Class.getPrimitiveClass("double");

	native public static String toString(double d);

	native public static String toHexString(double d);

	native public static Double valueOf(String s);

	@JTranscKeep
	public static Double valueOf(double d) {
		return new Double(d);
	}

	native public static double parseDouble(String value);

	native public static boolean isNaN(double v);

	native public static boolean isInfinite(double v);

	public static boolean isFinite(double d) {
		return !isInfinite(d);
	}

	private final double value;

	public Double(double value) {
		this.value = value;
	}

	public Double(String s) {
		value = parseDouble(s);
	}

	public boolean isNaN() {
		return isNaN(value);
	}

	public boolean isInfinite() {
		return isInfinite(value);
	}

	public String toString() {
		return toString(value);
	}

	public byte byteValue() {
		return (byte) this.value;
	}

	public short shortValue() {
		return (short) this.value;
	}

	public int intValue() {
		return (int) this.value;
	}

	public long longValue() {
		return (long) this.value;
	}

	public float floatValue() {
		return (float) this.value;
	}

	public double doubleValue() {
		return this.value;
	}

	@Override
	public int hashCode() {
		return hashCode(doubleValue());
	}

	public static int hashCode(double value) {
		return (int) doubleToLongBits(value);
	}

	public boolean equals(Object obj) {
		return (obj instanceof Double) && (doubleToLongBits(((Float)obj).doubleValue()) == doubleToLongBits(this.doubleValue()));
	}

	native public static long doubleToLongBits(double value);

	public static native long doubleToRawLongBits(double value);

	public static native double longBitsToDouble(long bits);

	native public int compareTo(Double anotherDouble);

	native public static int compare(double d1, double d2);

	public static double sum(double a, double b) {
		return a + b;
	}

	public static double max(double a, double b) {
		return Math.max(a, b);
	}

	public static double min(double a, double b) {
		return Math.min(a, b);
	}
}