src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/doubleconv/DtoaMode.java

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package jdk.nashorn.internal.runtime.doubleconv;

/**
 * This defines the string conversion modes supported by this package.
 * The original C++ library also supports SHORTEST-SINGLE for single
 * precision floats but we don't since we always operate with doubles.
 */
public enum DtoaMode {
    /**
     * Produce the shortest correct representation.
     * For example the output of 0.299999999999999988897 is (the less accurate
     * but correct) 0.3.
     */
    SHORTEST,
    /**
     * Produce a fixed number of digits after the decimal point.
     * For instance fixed(0.1, 4) becomes 0.1000
     * If the input number is big, the output will be big.
     */
    FIXED,
    /**
     * Fixed number of digits (independent of the decimal point).
     */
    PRECISION
}