/*
* 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;
}
Messung V0.5 in Prozent C=96 H=100 G=97
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