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src/java.base/share/classes/jdk/internal/math/FloatConsts.java

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*** 1,7 **** /* ! * Copyright (c) 2003, 2014, 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 --- 1,7 ---- /* ! * Copyright (c) 2003, 2016, 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
*** 25,104 **** package jdk.internal.math; /** * 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. */ ! 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 --- 25,77 ---- package jdk.internal.math; /** * This class contains additional constants documenting limits of the ! * {@code float} type. * * @author Joseph D. Darcy */ public class FloatConsts { /** * Don't let anyone instantiate this class. */ private FloatConsts() {} /** * The number of logical bits in the significand of a ! * {@code float} number, including the implicit bit. */ public static final int SIGNIFICAND_WIDTH = 24; /** ! * The exponent the smallest positive {@code float} subnormal * value would have if it could be normalized. */ ! public static final int MIN_SUB_EXPONENT = Float.MIN_EXPONENT - (SIGNIFICAND_WIDTH - 1); /** ! * Bias used in representing a {@code float} exponent. */ public static final int EXP_BIAS = 127; /** ! * Bit mask to isolate the sign bit of a {@code float}. */ public static final int SIGN_BIT_MASK = 0x80000000; /** * Bit mask to isolate the exponent field of a ! * {@code float}. */ public static final int EXP_BIT_MASK = 0x7F800000; /** * Bit mask to isolate the significand field of a ! * {@code float}. */ public static final int SIGNIF_BIT_MASK = 0x007FFFFF; static { // verify bit masks cover all bit positions and that the bit
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