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	/*
	* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	package sun.misc;

	/**
	* This class contains additional constants documenting limits of the
	* <code>float</code> type.
	*
	* @author Joseph D. Darcy
	*/

	public class FloatConsts {
	/**
	* Don't let anyone instantiate this class.
	*/
	private FloatConsts() {}

	public static final float POSITIVE_INFINITY = java.lang.Float.POSITIVE_INFINITY;
	public static final float NEGATIVE_INFINITY = java.lang.Float.NEGATIVE_INFINITY;
	public static final float NaN = java.lang.Float.NaN;
	public static final float MAX_VALUE = java.lang.Float.MAX_VALUE;
	public static final float MIN_VALUE = java.lang.Float.MIN_VALUE;

	/**
	* A constant holding the smallest positive normal value of type
	* <code>float</code>, 2<sup>-126</sup>. It is equal to the value
	* returned by <code>Float.intBitsToFloat(0x00800000)</code>.
	*/
	public static final float MIN_NORMAL = 1.17549435E-38f;

	/**
	* The number of logical bits in the significand of a
	* <code>float</code> number, including the implicit bit.
	*/
	public static final int SIGNIFICAND_WIDTH = 24;

	/**
	* Maximum exponent a finite <code>float</code> number may have.
	* It is equal to the value returned by
	* <code>Math.ilogb(Float.MAX_VALUE)</code>.
	*/
	public static final int MAX_EXPONENT = 127;

	/**
	* Minimum exponent a normalized <code>float</code> number may
	* have. It is equal to the value returned by
	* <code>Math.ilogb(Float.MIN_NORMAL)</code>.
	*/
	public static final int MIN_EXPONENT = -126;

	/**
	* The exponent the smallest positive <code>float</code> subnormal
	* value would have if it could be normalized. It is equal to the
	* value returned by <code>FpUtils.ilogb(Float.MIN_VALUE)</code>.
	*/
	public static final int MIN_SUB_EXPONENT = MIN_EXPONENT -
	(SIGNIFICAND_WIDTH - 1);

	/**
	* Bias used in representing a <code>float</code> exponent.
	*/
	public static final int EXP_BIAS = 127;

	/**
	* Bit mask to isolate the sign bit of a <code>float</code>.
	*/
	public static final int SIGN_BIT_MASK = 0x80000000;

	/**
	* Bit mask to isolate the exponent field of a
	* <code>float</code>.
	*/
	public static final int EXP_BIT_MASK = 0x7F800000;

	/**
	* Bit mask to isolate the significand field of a
	* <code>float</code>.
	*/
	public static final int SIGNIF_BIT_MASK = 0x007FFFFF;

	static {
	// verify bit masks cover all bit positions and that the bit
	// masks are non-overlapping
	assert(((SIGN_BIT_MASK \| EXP_BIT_MASK \| SIGNIF_BIT_MASK) == ~0) &&
	(((SIGN_BIT_MASK & EXP_BIT_MASK) == 0) &&
	((SIGN_BIT_MASK & SIGNIF_BIT_MASK) == 0) &&
	((EXP_BIT_MASK & SIGNIF_BIT_MASK) == 0)));
	}
	}

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