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High performance arbitrary precision arithmetic library

There is a newer version: 1.14.0

package org.apfloat.spi;

/**
 * Constants related to different radixes.
 *
 * @version 1.0
 * @author Mikko Tommila
 */

public interface RadixConstants
{
    /**
     * Factors of numbers 2, ..., 36. For 2 <= radix <= 36,
     * RADIX_FACTORS[radix] contains an array of
     * integers containing the different factors of the radix.
     */

    public static final int RADIX_FACTORS[][] = { null, null, { 2 }, { 3 }, { 2 }, { 5 }, { 2, 3 }, { 7 }, { 2 }, { 3 }, { 2, 5 }, { 11 }, { 2, 3 }, { 13 }, { 2, 7 }, { 3, 5 }, { 2 }, { 17 }, { 2, 3 }, { 19 }, { 2, 5 }, { 3, 7 }, { 2, 11 }, { 23 }, { 2, 3 }, { 5 }, { 2, 13 }, { 3 }, { 2, 7 }, { 29 }, { 2, 3, 5 }, { 31 }, { 2 }, { 3, 11 }, { 2, 17 }, { 5, 7 }, { 2, 3 } };

    /**
     * Precision of a float in the digits of each radix.
     */

    public static final int FLOAT_PRECISION[] = { -1, -1, 24, 16, 12, 11, 10, 9, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5 };

    /**
     * Precision of a double in the digits of each radix.
     */

    public static final int DOUBLE_PRECISION[] = { -1, -1, 53, 34, 27, 23, 21, 19, 18, 17, 16, 16, 15, 15, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11 };

    /**
     * Precision of a long in the digits of each radix.
     */

    public static final int LONG_PRECISION[] = { -1, -1, 63, 40, 32, 28, 25, 23, 21, 20, 19, 19, 18, 18, 17, 17, 16, 16, 16, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13 };

    /**
     * How many digits maximally fit in a long in each radix.
     */

    public static final int LONG_DIGITS[] = { -1, -1, 63, 39, 31, 27, 24, 22, 21, 19, 18, 18, 17, 17, 16, 16, 15, 15, 15, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12 };
}