jni_
fun jni_vec_copy(env: CPointer<JNIEnvVar>, thisObject: jobject, dest: jdoubleArray, destOffset: jint, destSize: jint, src: jdoubleArray, srcOffset: jint)
fun jni_vec_copy(env: CPointer<JNIEnvVar>, thisObject: jobject, dest: jdoubleArray, destOffset: jint, destSize: jint, src: jdoubleArray, srcOffset: jint)