deeplearning4j/deeplearning4j

/* ******************************************************************************
 *
 *
 * 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 <system/op_boilerplate.h>
#if NOT_EXCLUDED(OP_print_variable)

#include <ops/declarable/CustomOperations.h>
#include <ops/declarable/helpers/print_variable.h>

namespace sd {
namespace ops {
CUSTOM_OP_IMPL(print_variable, 1, 1, true, 0, 0) {
  // TODO: make this op compatible with ArrayList etc
  auto input = INPUT_VARIABLE(0);
  auto output = OUTPUT_VARIABLE(0);
  std::string str;

  if (block.width() == 2) {
    auto message = INPUT_VARIABLE(1);
    REQUIRE_TRUE(message->isS(), 0, "print_variable: message variable must be a String");

    str = message->e<std::string>(0);
  }

  bool printSpecial = false;
  if (block.numB() > 0) printSpecial = B_ARG(0);

  if (printSpecial && !sd::Environment::getInstance().isCPU()) {
    // only specific backends support special printout. for cpu-based backends it's the same as regular print

    if (block.width() == 2)
      helpers::print_special(*block.launchContext(), *input, str);
    else
      helpers::print_special(*block.launchContext(), *input);
  } else {
    // optionally add message to the print out
    if (block.width() == 2) {
      input->printIndexedBuffer(str.c_str());
    } else {
      input->printIndexedBuffer();
    }
  }

  return sd::Status::OK;
}

DECLARE_TYPES(print_variable) {
  getOpDescriptor()
      ->setAllowedInputTypes(0, sd::DataType::ANY)
      ->setAllowedInputTypes(1, {ALL_STRINGS})
      ->setAllowedOutputTypes(0, sd::DataType::INT32);
}

DECLARE_SHAPE_FN(print_variable) {
  return SHAPELIST(ConstantShapeHelper::getInstance().scalarShapeInfo(DataType::INT32));
}
}  // namespace ops
}  // namespace sd

#endif