chore: import upstream snapshot with attribution

2026-07-13 12:47:05 +08:00
commit 4f3b7da785
7394 changed files with 2005594 additions and 0 deletions
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+/* ******************************************************************************
+ *
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ *  See the NOTICE file distributed with this work for additional
+ *  information regarding copyright ownership.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+
+//
+// Created by raver119 on 10.11.2017.
+//
+#include <helpers/BitwiseUtils.h>
+#include <helpers/logger.h>
+#include <types/float16.h>
+
+namespace sd {
+
+bool BitwiseUtils::isBE() {
+  short int word = 0x0001;
+  char *byte = (char *)&word;
+  return (byte[0] ? false : true);
+}
+
+int BitwiseUtils::valueBit(int holder) {
+  if (holder == 0) return -1;
+
+#ifdef REVERSE_BITS
+  for (int e = 32; e >= 0; e--) {
+#else
+  for (int e = 0; e < 32; e++) {
+#endif
+    bool isOne = (holder & 1 << e) != 0;
+
+    if (isOne) return e;
+  }
+
+  return -1;
+}
+
+std::vector<LongType> BitwiseUtils::valueBits(int holder) {
+  std::vector<LongType> bits;
+  if (holder == 0) {
+    for (int e = 0; e < 32; e++) bits.emplace_back(0);
+
+    return bits;
+  }
+
+#ifdef REVERSE_BITS
+  for (int e = 32; e >= 0; e--) {
+#else
+  for (int e = 0; e < 32; e++) {
+#endif
+    bool isOne = (holder & 1 << e) != 0;
+
+    if (isOne)
+      bits.emplace_back(1);
+    else
+      bits.emplace_back(0);
+  }
+
+  return bits;
+}
+
+ByteOrder BitwiseUtils::asByteOrder() { return isBE() ? BE : LE; }
+}  // namespace sd