public static void setHologram(FloatArrayMirror mirror, int index, float f) throws Throwable {
   try {
     mirror.setFloat(index, f);
   } catch (ArrayIndexOutOfBoundsException e) {
     throw throwableAsHologram(mirror.getClassMirror().getVM(), e);
   } catch (ArrayStoreException e) {
     throw throwableAsHologram(mirror.getClassMirror().getVM(), e);
   }
 }
 @Override
 public void setFloat(int index, float b) throws ArrayIndexOutOfBoundsException {
   mirror.setFloat(index, b);
 }