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
+ ******************************************************************************/
+
+//
+// @author Yurii Shyrma (iuriish@yahoo.com)
+//
+
+#ifndef LIBND4J_LSTMLAYER_H
+#define LIBND4J_LSTMLAYER_H
+#include <ops/declarable/helpers/helpers.h>
+
+namespace sd {
+namespace ops {
+namespace helpers {
+
+//////////////////////////////////////////////////////////////////////////
+SD_LIB_HIDDEN void lstmLayerCell(NDArray* x, NDArray* Wx, NDArray* Wr, NDArray* b,
+                                 NDArray* hI, NDArray* cI, NDArray* Wp,
+                                 const std::vector<float>& params, NDArray* h, NDArray* c);
+
+//////////////////////////////////////////////////////////////////////////
+// this auxiliary ff should be running before backprop
+SD_LIB_HIDDEN void lstmLayerCell(NDArray* x, NDArray* Wx, NDArray* Wr, NDArray* b,
+                                 NDArray* hI, NDArray* cI, NDArray* Wp,
+                                 const std::vector<float>& params, NDArray* z, NDArray* a, NDArray* h, NDArray* c);
+
+//////////////////////////////////////////////////////////////////////////
+SD_LIB_HIDDEN void lstmLayerCellBp(NDArray* x, NDArray* Wx, NDArray* Wr, NDArray* b,
+                                   NDArray* hI, NDArray* cI, NDArray* Wp, NDArray* dLdh,
+                                   NDArray* dLdhL, NDArray* dLdcL, NDArray* z, NDArray* a,
+                                   NDArray* c, const std::vector<float>& params, NDArray* dLdx, NDArray* dLdWx,
+                                   NDArray* dLdWr, NDArray* dLdhI, NDArray* dLdcI, NDArray* dLdb, NDArray* dLdWp);
+
+//////////////////////////////////////////////////////////////////////////
+SD_LIB_HIDDEN void lstmLayerTimeLoop(NDArray* x, NDArray* Wx, NDArray* Wr, NDArray* b,
+                                     NDArray* seqLen, NDArray* hI, NDArray* cI, NDArray* Wp,
+                                     const std::vector<float>& params, const bool forward, NDArray* h, NDArray* hL,
+                                     NDArray* cL);
+
+//////////////////////////////////////////////////////////////////////////
+SD_LIB_HIDDEN void lstmLayerTimeLoopBp(NDArray* x, NDArray* Wx, NDArray* Wr, NDArray* b,
+                                       NDArray* seqLen, NDArray* hI, NDArray* cI, NDArray* Wp,
+                                       NDArray* dLdh, NDArray* dLdhL, NDArray* dLdcL,
+                                       const std::vector<float>& params, const bool forward, NDArray* dLdx,
+                                       NDArray* dLdWx, NDArray* dLdWr, NDArray* dLdb, NDArray* dLdhI, NDArray* dLdcI,
+                                       NDArray* dLdWp);
+
+}  // namespace helpers
+}  // namespace ops
+}  // namespace sd
+
+#endif  // LIBND4J_LSTMLAYER_H