public static void main(String args[]) throws Exception {
Unsafe unsafe = Unsafe.getUnsafe();
Test t = new Test();
Field field = Test.class.getField("f");
long offset = unsafe.objectFieldOffset(field);
assertEquals(-1.0f, unsafe.getFloat(t, offset));
unsafe.putFloat(t, offset, 0.0f);
assertEquals(0.0f, unsafe.getFloat(t, offset));
long address = unsafe.allocateMemory(8);
unsafe.putFloat(address, 1.0f);
assertEquals(1.0f, unsafe.getFloat(address));
unsafe.freeMemory(address);
float arrayFloat[] = {-1.0f, 0.0f, 1.0f, 2.0f};
int scale = unsafe.arrayIndexScale(arrayFloat.getClass());
offset = unsafe.arrayBaseOffset(arrayFloat.getClass());
for (int i = 0; i < arrayFloat.length; i++) {
assertEquals(unsafe.getFloat(arrayFloat, offset), arrayFloat[i]);
offset += scale;
}
}
