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 sgazeos@gmail.com
+//
+
+#include <system/op_boilerplate.h>
+#if NOT_EXCLUDED(OP_lin_space)
+
+#include <ops/declarable/CustomOperations.h>
+
+namespace sd {
+namespace ops {
+
+CUSTOM_OP_IMPL(lin_space, 0, 1, false, 0, 0) {
+  auto output = OUTPUT_VARIABLE(0);
+
+  const int nInputs = block.width();
+  bool bInputs = (3 == nInputs || 3 == block.numI() || (2 == block.numT() && block.numI() > 0));
+  auto endSpecified = block.numB() > 0 ? B_ARG(0) : nInputs >= 2;
+  REQUIRE_TRUE(bInputs, 0,
+               "lin_space OP: Have to be supplied correct inputs, input size or T_ARG size have to be equal 3, but got "
+               "inputs - %i, T_ARGS - %i!",
+               nInputs, block.numT());
+
+  auto start = (nInputs > 0) ? INPUT_VARIABLE(0)->e<double>(0) : static_cast<double>(T_ARG(0));
+  auto stepOrEndNum = (nInputs > 1) ? INPUT_VARIABLE(1)->e<double>(0) : static_cast<double>(T_ARG(1));
+  auto numOfElements = (nInputs > 2) ? INPUT_VARIABLE(2)->e<LongType>(0) : static_cast<LongType>(I_ARG(0));
+
+  if (numOfElements == 1) {
+    output->assign(start);
+    return Status::OK;
+  }
+
+  //end specified convert to step
+  if (endSpecified) {
+    stepOrEndNum = (stepOrEndNum - start) / (numOfElements - 1.0);
+  }
+
+  output->linspace(start, stepOrEndNum);
+  return Status::OK;
+}
+
+DECLARE_SHAPE_FN(lin_space) {
+  const int nInputs = block.width();
+  bool bInputs = (3 == nInputs || 3 == block.numI() || (2 == block.numT() && block.numI() > 0));
+  REQUIRE_TRUE(bInputs, 0,
+               "lin_space OP: Have to be supplied correct inputs, input size or T_ARG size have to be equal 3, but got "
+               "inputs - %i, T_ARGS - %i!",
+               nInputs, block.numT());
+
+  auto dataType = (nInputs > 0) ? ArrayOptions::dataType(inputShape->at(0))
+                                : (block.numD() > 0 ? static_cast<DataType>(D_ARG(0)) : FLOAT32);
+  LongType steps = (nInputs > 0) ? INPUT_VARIABLE(2)->e<LongType>(0) : static_cast<LongType>(I_ARG(0));
+
+  return SHAPELIST(ConstantShapeHelper::getInstance().vectorShapeInfo(steps, dataType));
+}
+
+DECLARE_TYPES(lin_space) {
+  getOpDescriptor()
+      ->setAllowedInputTypes(0, {ALL_FLOATS, ALL_INTS})
+      ->setAllowedInputTypes(1, {ALL_FLOATS, ALL_INTS})
+      ->setAllowedInputTypes(2, {ALL_INTS})
+      ->setAllowedOutputTypes({ALL_FLOATS, ALL_INTS});
+}
+}  // namespace ops
+}  // namespace sd
+
+#endif