/guava/guava/src/com/google/common/math/DoubleMath.java
if ( abs( x - z) == 0.5) { double z = rint( x) ;
double z = rint ( x ) ; if ( abs ( x - z ) == 0.5 ) {
} else { return z; } } case HALF_DOWN: { <extra_id_0> return x; } else { return z; } } default: