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 +1,101 @@
+/* ******************************************************************************
+*
+*
+* 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
+//  modified by sgazeos@gmail.com with backprop implementation.
+//
+#include <system/op_boilerplate.h>
+#if NOT_EXCLUDED(OP_floormod)
+
+#include <ops/declarable/CustomOperations.h>
+#include <ops/declarable/generic/helpers/BroadcastHelper.h>
+
+namespace sd {
+namespace ops {
+BROADCASTABLE_OP_IMPL(floormod, 0, 0) {
+  auto x = INPUT_VARIABLE(0);
+  auto y = INPUT_VARIABLE(1);
+  auto z = OUTPUT_VARIABLE(0);
+
+  BROADCAST_CHECK_EMPTY(x, y, z);
+
+  REQUIRE_TRUE(!y->isB(), 0, "FLOORMOD OP: you can't divide by bool array!");
+  auto tZ = BroadcastHelper::broadcastApply(BROADCAST(FloorMod), x, y, z);
+  if (tZ == nullptr)
+    return Status::KERNEL_FAILURE;
+  else if (tZ != z) {
+    OVERWRITE_RESULT(tZ);
+  }
+
+  return Status::OK;
+}
+
+DECLARE_TYPES(floormod) {
+  getOpDescriptor()
+      ->setAllowedInputTypes(0, ANY)
+      ->setAllowedInputTypes(1, ANY)
+      ->setAllowedOutputTypes(0, INHERIT);
+}
+
+DECLARE_TYPES(floormod_bp) {
+  getOpDescriptor()->setAllowedInputTypes(ANY)->setAllowedOutputTypes({ALL_FLOATS});
+}
+
+CUSTOM_OP_IMPL(floormod_bp, 3, 2, false, 0, 0) {
+  auto x = INPUT_VARIABLE(0);
+  auto y = INPUT_VARIABLE(1);
+  auto epsNext = INPUT_VARIABLE(2);
+
+  auto gradX = OUTPUT_VARIABLE(0);
+  auto gradY = OUTPUT_VARIABLE(1);
+  gradX->assign(epsNext);
+
+  NDArray temp(*epsNext);
+  BroadcastHelper::broadcastApply(BROADCAST(FloorMod), x, y, &temp);
+  if (gradY->rankOf() == gradX->rankOf()) {
+    epsNext->applyPairwiseTransform(pairwise::Multiply, &temp, gradY);
+  } else  { // epsNext is greater than gradY
+    std::vector<LongType> dims(epsNext->rankOf() * 2);
+    LongType gap = epsNext->rankOf() - gradY->rankOf();
+    for (LongType d = 0; d < gap; d++) {
+      dims[d * 2 + 1] = 1;
+    }
+    auto tempIn((temp)(dims));
+    NDArray negTempIn = -*tempIn;
+    auto get=  (*epsNext)(dims);
+    get->applyPairwiseTransform(pairwise::Multiply, &negTempIn, gradY);
+    delete get;
+    delete tempIn;
+  }
+  return Status::OK;
+}
+
+DECLARE_SHAPE_FN(floormod_bp) {
+  auto x = inputShape->at(0);
+  auto y = inputShape->at(1);
+  auto e = inputShape->at(2);
+
+  // eps always has shape of x
+  // grad always has shape of y
+  return SHAPELIST(CONSTANT(x), CONSTANT(y));
+}
+}  // namespace ops
+}  // namespace sd
+
+#endif