Method rfpart

src/main/java/com/thealgorithms/geometry/WusLine.java:222–224

Returns the reverse fractional part of a number (1 - fractional part). @param x the input number @return 1.0 minus the fractional part (always in range (0.0, 1.0])

(double x)

     * @return 1.0 minus the fractional part (always in range (0.0, 1.0])
     */
    private static double rfpart(double x) {
        return 1.0 - fpart(x);
    }

    /**
     * Rounds a number to the nearest integer.