42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
/*
|
|
* Copyright (C) 2018 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.
|
|
*/
|
|
|
|
#include <jni.h>
|
|
|
|
namespace art {
|
|
namespace Test988MethodTrace {
|
|
|
|
extern "C" JNIEXPORT jint JNICALL Java_art_Test988_nativeFibonacci(JNIEnv* env, jclass, jint n) {
|
|
if (n < 0) {
|
|
env->ThrowNew(env->FindClass("java/lang/Error"), "bad argument");
|
|
return -1;
|
|
} else if (n == 0) {
|
|
return 0;
|
|
}
|
|
jint x = 1;
|
|
jint y = 1;
|
|
for (jint i = 3; i <= n; i++) {
|
|
jint z = x + y;
|
|
x = y;
|
|
y = z;
|
|
}
|
|
return y;
|
|
}
|
|
|
|
} // namespace Test988MethodTrace
|
|
} // namespace art
|
|
|