1 /*
2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
110 // clean-up array of dirty part[fromIndex; toIndex[
111 fill(array, fromIndex, toIndex, 0f);
112
113 // fill cache:
114 floatArrays.addLast(array);
115 }
116
117 static void fill(final float[] array, final int fromIndex,
118 final int toIndex, final float value)
119 {
120 // clear array data:
121 /*
122 * Arrays.fill is faster than System.arraycopy(empty array)
123 * or Unsafe.setMemory(byte 0)
124 */
125 if (toIndex != 0) {
126 Arrays.fill(array, fromIndex, toIndex, value);
127 }
128
129 if (doChecks) {
130 check(array, 0, array.length, value);
131 }
132 }
133
134 static void check(final float[] array, final int fromIndex,
135 final int toIndex, final float value)
136 {
137 if (doChecks) {
138 // check zero on full array:
139 for (int i = fromIndex; i < toIndex; i++) {
140 if (array[i] != value) {
141 logException("Invalid array value at " + i + "\n"
142 + Arrays.toString(array), new Throwable());
143
144 // ensure array is correctly filled:
145 Arrays.fill(array, value);
146
147 return;
148 }
149 }
150 }
151 }
152 }
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1 /*
2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
110 // clean-up array of dirty part[fromIndex; toIndex[
111 fill(array, fromIndex, toIndex, 0f);
112
113 // fill cache:
114 floatArrays.addLast(array);
115 }
116
117 static void fill(final float[] array, final int fromIndex,
118 final int toIndex, final float value)
119 {
120 // clear array data:
121 /*
122 * Arrays.fill is faster than System.arraycopy(empty array)
123 * or Unsafe.setMemory(byte 0)
124 */
125 if (toIndex != 0) {
126 Arrays.fill(array, fromIndex, toIndex, value);
127 }
128
129 if (doChecks) {
130 check(array, fromIndex, toIndex, value);
131 }
132 }
133
134 static void check(final float[] array, final int fromIndex,
135 final int toIndex, final float value)
136 {
137 if (doChecks) {
138 // check zero on full array:
139 for (int i = 0; i < array.length; i++) {
140 if (array[i] != value) {
141 logException("Invalid value at: " + i + " = " + array[i]
142 + " from: " + fromIndex + " to: " + toIndex + "\n"
143 + Arrays.toString(array), new Throwable());
144
145 // ensure array is correctly filled:
146 Arrays.fill(array, value);
147
148 return;
149 }
150 }
151 }
152 }
153 }
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