| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/Java/Openjdk/test/jdk/java/lang/Math/ (Sun/Oracle ©) Datei vom 13.11.2022 mit Größe 2 kB |
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SSL FloatConsts.java Sprache: JAVA |
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/*
* Copyright (c) 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. * * 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. */ /** * Common library for additional constants of the {@code float} type. */ public final class FloatConsts { /** * Don't let anyone instantiate this class. */ private FloatConsts() {} /** * Bias used in representing a {@code float} exponent. */ public static final int EXP_BIAS = 127; /** * Bit mask to isolate the exponent field of a {@code float}. */ public static final int EXP_BIT_MASK = 0x7F800000; /** * Bit mask to isolate the sign bit of a {@code float}. */ public static final int SIGN_BIT_MASK = 0x80000000; /** * Bit mask to isolate the significand field of a {@code float}. */ public static final int SIGNIF_BIT_MASK = 0x007FFFFF; /** * 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); 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))); } } ¤ Dauer der Verarbeitung: 0.16 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-03-28