@Override
    public int hashCode() {
        int result = super.hashCode();
        result = 31 * result + (value != +0.0f ? Float.floatToIntBits(value) : 0);
        return result;
    }
A 32-bit float field value

@author Einar M R Rosenvinge
document/src/main/java/com/yahoo/document/datatypes/FloatFieldValue.java