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Diffstat (limited to 'src/javax/vecmath/VecMathUtil.java')
-rw-r--r-- | src/javax/vecmath/VecMathUtil.java | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/src/javax/vecmath/VecMathUtil.java b/src/javax/vecmath/VecMathUtil.java deleted file mode 100644 index 5bc5b53..0000000 --- a/src/javax/vecmath/VecMathUtil.java +++ /dev/null @@ -1,68 +0,0 @@ -/* - * Copyright 2004-2008 Sun Microsystems, Inc. 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. Sun designates this - * particular file as subject to the "Classpath" exception as provided - * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, - * CA 95054 USA or visit www.sun.com if you need additional information or - * have any questions. - * - */ - -package javax.vecmath; - -/** - * Utility vecmath class used when computing the hash code for vecmath - * objects containing float or double values. This fixes Issue 36. - */ -class VecMathUtil { -/** - * Do not construct an instance of this class. - */ -private VecMathUtil() {} - - static final long hashLongBits(long hash, long l) { - hash *= 31L; - return hash + l; - } - - static final long hashFloatBits(long hash, float f) { - hash *= 31L; - // Treat 0.0d and -0.0d the same (all zero bits) - if (f == 0.0f) - return hash; - - return hash + Float.floatToIntBits(f); - } - - static final long hashDoubleBits(long hash, double d) { - hash *= 31L; - // Treat 0.0d and -0.0d the same (all zero bits) - if (d == 0.0d) - return hash; - - return hash + Double.doubleToLongBits(d); - } - - /** - * Return an integer hash from a long by mixing it with itself. - */ - static final int hashFinish(long hash) { - return (int)(hash ^ (hash >> 32)); - } -} |