Java Integer to Float intToFloat(int integer)

Description

Convert an integer to an arbitrary float.

License

LGPL

Parameter

Parameter	Description
integer	The integer to convert

Return

A float

Declaration

public static float intToFloat(int integer) 

Method Source Code

//package com.java2s;
/*/*ww  w . ja v  a  2  s .com*/
 * Hibernate Search, full-text search for your domain model
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */

public class Main {
    /**
     * Convert an integer to an arbitrary float.
     * <p>
     * The float is guaranteed not to be NaN nor infinite,
     * which can come handy with Elasticsearch (which doesn't accept those by default).
     *
     * @param integer The integer to convert
     * @return A float
     */
    public static float intToFloat(int integer) {
        float result = Float.intBitsToFloat(integer);
        if (Float.isNaN(result)) {
            /*
             * See Float.intBitsToFloat:
             * NaN are generated for integers in the range
             * {@code 0x7f800001} through {@code 0x7fffffff} or in
             * the range {@code 0xff800001} through
             * {@code 0xffffffff}.
             * Positive infinite is generated for 0x7f800000.
             * Negative infinite is generated for 0xff800000.
             * Thus, removing 0x00800001 is enough to ensure the generated float
             * will not be infinite nor NaN.
             */
            result = Float.intBitsToFloat(integer - 0x00800001);
        }
        return result;
    }
}

Related

1. convertIntToFloat(final int[] intValues)
2. convertIntToFloat(int arr[])
3. intToFloat(int[] values)
4. IntToFloat(long x)
5. intToFloatArray(int[] ints)
6. intToFloatColor(int value)