DfType (@NotNull RelationType relationType) { if (relationType == RelationType.EQ) { DfType result = myNaN ? this : create(myFrom, myTo, myInvert, true); DfType zero = DfTypes.floatRange(-0.0f, 0.0f); return meet(zero) != BOTTOM ? result.join(zero) : result; } if (myInvert) { float max = myTo == Float.POSITIVE_INFINITY ? nextDown(myFrom) : Float.POSITIVE_INFINITY; float min = myFrom == Float.NEGATIVE_INFINITY ? nextUp(myTo) : Float.NEGATIVE_INFINITY; return fromRelation(relationType, min, max); } return fromRelation(relationType, myFrom, myTo); }