/*
* Copyright (c) 1997, 2005, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include "jni.h"
#include "jni_util.h"
#include "jlong.h"
#include "jvm.h"
#include "java_lang_Double.h"
/*
* Find the double float corresponding to a given bit pattern
*/
JNIEXPORT jdouble JNICALL
Java_java_lang_Double_longBitsToDouble(JNIEnv *env, jclass unused, jlong v)
{
union {
jlong l;
double d;
} u;
jlong_to_jdouble_bits(&v);
u.l = v;
return (jdouble)u.d;
}
/*
* Find the bit pattern corresponding to a given double float, NOT collapsing NaNs
*/
JNIEXPORT jlong JNICALL
Java_java_lang_Double_doubleToRawLongBits(JNIEnv *env, jclass unused, jdouble v)
{
union {
jlong l;
double d;
} u;
jdouble_to_jlong_bits(&v);
u.d = (double)v;
return u.l;
}