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/*
* Copyright (C) 2005 The Android Open Source Project
*
* 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.
*/
#define LOG_TAG "Double"
#include "JNIHelp.h"
#include "JniConstants.h"
#include "java_lang_Double.h"
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
static const jlong NaN = 0x7ff8000000000000ULL;
static jlong Double_doubleToLongBits(JNIEnv*, jclass, jdouble doubleValue) {
// For this method all values in the NaN range are normalized to the canonical NaN value.
return isnan(doubleValue) ? NaN : Double::doubleToRawLongBits(doubleValue);
}
static jlong Double_doubleToRawLongBits(JNIEnv*, jclass, jdouble doubleValue) {
return Double::doubleToRawLongBits(doubleValue);
}
static jdouble Double_longBitsToDouble(JNIEnv*, jclass, jlong bits) {
return Double::longBitsToDouble(bits);
}
static JNINativeMethod gMethods[] = {
NATIVE_METHOD(Double, doubleToLongBits, "(D)J"),
NATIVE_METHOD(Double, doubleToRawLongBits, "(D)J"),
NATIVE_METHOD(Double, longBitsToDouble, "(J)D"),
};
int register_java_lang_Double(JNIEnv* env) {
return jniRegisterNativeMethods(env, "java/lang/Double", gMethods, NELEM(gMethods));
}
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