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 +1,79 @@
+/* ******************************************************************************
+ *
+ *
+ * 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 on 29/10/17
+// @author GS <sgazeos@gmail.com> 2/16/18
+// @author Yurii Shyrma (iuriish@yahoo.com) -> back prop author
+//
+
+#include <system/op_boilerplate.h>
+#if NOT_EXCLUDED(OP_lrn)
+
+#include <ops/declarable/CustomOperations.h>
+#include <ops/declarable/helpers/lrn.h>
+
+namespace sd {
+namespace ops {
+
+DECLARE_TYPES(lrn) { getOpDescriptor()->setAllowedInputTypes(sd::DataType::ANY)->setAllowedOutputTypes({ALL_FLOATS}); }
+
+CONFIGURABLE_OP_IMPL(lrn, 1, 1, true, 3, 1) {
+  auto input = INPUT_VARIABLE(0);
+  auto output = OUTPUT_VARIABLE(0);
+
+  REQUIRE_TRUE(input->rankOf() == 4, 0, "lrn: Input rank of 4 expected, but got %i instead", input->rankOf());
+
+  double alpha = T_ARG(1);
+  double beta = T_ARG(2);
+  double bias = T_ARG(0);
+  int depth = INT_ARG(0);
+
+  return helpers::lrnFunctor(block, input, output, depth, bias, alpha, beta);
+}
+
+DECLARE_TYPES(lrn_bp) {
+  getOpDescriptor()->setAllowedInputTypes(sd::DataType::ANY)->setAllowedOutputTypes({ALL_FLOATS});
+}
+
+CONFIGURABLE_OP_IMPL(lrn_bp, 2, 1, true, 3, 1) {
+  auto input = INPUT_VARIABLE(0);
+  auto gradO = INPUT_VARIABLE(1);
+  auto gradI = OUTPUT_VARIABLE(0);
+
+  REQUIRE_TRUE(input->rankOf() == 4, 0, "lrn_bp: Input rank of 4 expected, but got %i instead", input->rankOf());
+  REQUIRE_TRUE(input->isSameShape(gradO), 0,
+               "lrn_bp: Both input and grad_output should have the same shape, but got %s and %s correspondingly !",
+               ShapeUtils::shapeAsString(input).c_str(), ShapeUtils::shapeAsString(gradO).c_str());
+
+  // FIXME: double/float?
+  float bias = T_ARG(0);
+  float alpha = T_ARG(1);
+  float beta = T_ARG(2);
+  int depth = INT_ARG(0);
+
+  helpers::lrnBP(block, *input, *gradO, *gradI, depth, bias, alpha, beta);
+
+  return sd::Status::OK;
+}
+DECLARE_SYN(local_response_normalization, lrn);
+
+}  // namespace ops
+}  // namespace sd
+
+#endif