jni_ vec_ mul_ vec
fun jni_vec_mul_vec(env: CPointer<JNIEnvVar>, thisObject: jobject, a: jdoubleArray, aOffset: jint, aSize: jint, b: jdoubleArray, bOffset: jint)
fun jni_vec_mul_vec(env: CPointer<JNIEnvVar>, thisObject: jobject, a: jdoubleArray, aOffset: jint, aSize: jint, b: jdoubleArray, bOffset: jint)