/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Eclipse Public License (EPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/eclipse-1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package java.lang;
import org.jikesrvm.runtime.Magic;
import org.vmmagic.pragma.Pure;
/**
* Double <==> long bit transfer for Jikes RVM.
*/
final class VMDouble {
static {
initIDs();
}
static long doubleToLongBits(double value) {
// Check for NaN and return canonical NaN value
if (value != value) return 0x7ff8000000000000L;
else return Magic.doubleAsLongBits(value);
}
static long doubleToRawLongBits(double value) {
return Magic.doubleAsLongBits(value);
}
static double longBitsToDouble(long bits) {
return Magic.longBitsAsDouble(bits);
}
@Pure
public static native String toString(double d, boolean isFloat);
public static native void initIDs();
@Pure
public static native double parseDouble(String str);
}