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
@@ -0,0 +1,77 @@
+/*
+ *  ******************************************************************************
+ *  *
+ *  *
+ *  * 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
+ *  *****************************************************************************
+ */
+
+//
+// @author raver119@gmail.com
+//
+#include <ops/declarable/helpers/shift.h>
+#if NOT_EXCLUDED(OP_shift)
+namespace sd {
+namespace ops {
+namespace helpers {
+template <typename T>
+void rshift_bits_(LaunchContext *launchContext, NDArray *input, NDArray *output, uint32_t shift) {
+  auto lambda = LAMBDA_T(x, shift) { return x >> shift; });
+
+  input->applyLambda<T>(lambda, output);
+}
+
+void rshift_bits(LaunchContext *launchContext, NDArray *x, NDArray *z, uint32_t shift) {
+  BUILD_SINGLE_SELECTOR(x->dataType(), rshift_bits_, (launchContext, x, z, shift), SD_INTEGER_TYPES);
+}
+
+template <typename T>
+void shift_bits_(LaunchContext *launchContext, NDArray *input, NDArray *output, uint32_t shift) {
+  auto lambda = LAMBDA_T(x, shift) { return x << shift; });
+
+  input->applyLambda<T>(lambda, output);
+}
+
+void shift_bits(LaunchContext *launchContext, NDArray *x, NDArray *z, uint32_t shift) {
+  BUILD_SINGLE_SELECTOR(x->dataType(), shift_bits_, (launchContext, x, z, shift), SD_INTEGER_TYPES);
+}
+
+template <typename T>
+void cyclic_rshift_bits_(LaunchContext *launchContext, NDArray *input, NDArray *output, uint32_t shift) {
+  auto step = (sizeof(T) * 8) - shift;
+  auto lambda = LAMBDA_T(x, shift, step) { return x >> shift | x << step; });
+
+  input->applyLambda<T>(lambda, output);
+}
+
+void cyclic_rshift_bits(LaunchContext *launchContext, NDArray *x, NDArray *z, uint32_t shift) {
+  BUILD_SINGLE_SELECTOR(x->dataType(), cyclic_rshift_bits_, (launchContext, x, z, shift), SD_INTEGER_TYPES);
+}
+
+template <typename T>
+void cyclic_shift_bits_(LaunchContext *launchContext, NDArray *input, NDArray *output, uint32_t shift) {
+  auto step = (sizeof(T) * 8) - shift;
+  auto lambda = LAMBDA_T(x, shift, step) { return x << shift | x >> step; });
+
+  input->applyLambda<T>(lambda, output);
+}
+
+void cyclic_shift_bits(LaunchContext *launchContext, NDArray *x, NDArray *z, uint32_t shift) {
+  BUILD_SINGLE_SELECTOR(x->dataType(), cyclic_shift_bits_, (launchContext, x, z, shift), SD_INTEGER_TYPES);
+}
+}  // namespace helpers
+}  // namespace ops
+}  // namespace sd
+#endif