src/api/operator/numpy/np_elemwise_unary_op_basic.cc

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.
 */

/*!
 * \file np_elemwise_broadcast_op.cc
 * \brief Implementation of the API of functions in src/operator/numpy/np_elemwise_unary_op_basic.cc
 */
#include <mxnet/api_registry.h>
#include <mxnet/runtime/packed_func.h>
#include "../utils.h"
#include "../ufunc_helper.h"
#include "../../../operator/tensor/elemwise_unary_op.h"

namespace mxnet {

#define MXNET_REGISTER_UNARY_API(op_name)                                  \
  MXNET_REGISTER_API("_npi." #op_name)                                     \
      .set_body([](runtime::MXNetArgs args, runtime::MXNetRetValue* ret) { \
        const nnvm::Op* op = Op::Get("_npi_" #op_name);                    \
        UFuncHelper(args, ret, op);                                        \
      })

MXNET_REGISTER_UNARY_API(negative);
MXNET_REGISTER_UNARY_API(reciprocal);
MXNET_REGISTER_UNARY_API(abs);
MXNET_REGISTER_UNARY_API(sign);
MXNET_REGISTER_UNARY_API(rint);
MXNET_REGISTER_UNARY_API(ceil);
MXNET_REGISTER_UNARY_API(floor);
MXNET_REGISTER_UNARY_API(bitwise_not);
MXNET_REGISTER_UNARY_API(trunc);
MXNET_REGISTER_UNARY_API(fix);
MXNET_REGISTER_UNARY_API(square);
MXNET_REGISTER_UNARY_API(sqrt);
MXNET_REGISTER_UNARY_API(cbrt);
MXNET_REGISTER_UNARY_API(exp);
MXNET_REGISTER_UNARY_API(log);
MXNET_REGISTER_UNARY_API(log10);
MXNET_REGISTER_UNARY_API(log2);
MXNET_REGISTER_UNARY_API(log1p);
MXNET_REGISTER_UNARY_API(expm1);
MXNET_REGISTER_UNARY_API(logical_not);
MXNET_REGISTER_UNARY_API(isnan);
MXNET_REGISTER_UNARY_API(isinf);
MXNET_REGISTER_UNARY_API(isposinf);
MXNET_REGISTER_UNARY_API(isneginf);
MXNET_REGISTER_UNARY_API(isfinite);
MXNET_REGISTER_UNARY_API(sin);
MXNET_REGISTER_UNARY_API(cos);
MXNET_REGISTER_UNARY_API(tan);
MXNET_REGISTER_UNARY_API(arcsin);
MXNET_REGISTER_UNARY_API(arccos);
MXNET_REGISTER_UNARY_API(arctan);
MXNET_REGISTER_UNARY_API(degrees);
MXNET_REGISTER_UNARY_API(radians);
#if MXNET_USE_TVM_OP
MXNET_REGISTER_UNARY_API(rad2deg);  // from src/operator/contrib/tvmop/ufunc.cc
MXNET_REGISTER_UNARY_API(deg2rad);  // from src/operator/contrib/tvmop/ufunc.cc
#else                               // MXNET_USE_TVM_OP
MXNET_REGISTER_API("_npi.rad2deg")
    .set_body([](runtime::MXNetArgs args, runtime::MXNetRetValue* ret) {
      const nnvm::Op* op = Op::Get("_npi_degrees");
      UFuncHelper(args, ret, op);
    });
MXNET_REGISTER_API("_npi.deg2rad")
    .set_body([](runtime::MXNetArgs args, runtime::MXNetRetValue* ret) {
      const nnvm::Op* op = Op::Get("_npi_radians");
      UFuncHelper(args, ret, op);
    });
#endif                              // MXNET_USE_TVM_OP
MXNET_REGISTER_UNARY_API(sinh);
MXNET_REGISTER_UNARY_API(cosh);
MXNET_REGISTER_UNARY_API(tanh);
MXNET_REGISTER_UNARY_API(arcsinh);
MXNET_REGISTER_UNARY_API(arccosh);
MXNET_REGISTER_UNARY_API(arctanh);

MXNET_REGISTER_API("_npi.around")
    .set_body([](runtime::MXNetArgs args, runtime::MXNetRetValue* ret) {
      using namespace runtime;
      const nnvm::Op* op = Op::Get("_npi_around");
      nnvm::NodeAttrs attrs;
      op::AroundParam param = {};
      param.decimals = args[1].operator int64_t();
      attrs.parsed   = param;
      attrs.op       = op;
      SetAttrDict<op::AroundParam>(&attrs);
      int num_inputs    = 1;
      NDArray* inputs[] = {args[0].operator mxnet::NDArray*()};
      NDArray* out      = args[2].operator mxnet::NDArray*();
      NDArray** outputs = out == nullptr ? nullptr : &out;
      int num_outputs   = out != nullptr;
      auto ndoutputs    = Invoke(op, &attrs, num_inputs, inputs, &num_outputs, outputs);
      if (out) {
        *ret = PythonArg(2);
      } else {
        *ret = ndoutputs[0];
      }
    });

MXNET_REGISTER_API("_npi.copy").set_body([](runtime::MXNetArgs args, runtime::MXNetRetValue* ret) {
  using namespace runtime;
  const nnvm::Op* op = Op::Get("_npi_copy");
  nnvm::NodeAttrs attrs;
  attrs.op          = op;
  NDArray* inputs[] = {args[0].operator NDArray*()};
  int num_inputs    = 1;
  int num_outputs   = 0;
  auto ndoutputs    = Invoke(op, &attrs, num_inputs, inputs, &num_outputs, nullptr);
  *ret              = ndoutputs[0];
});

}  // namespace mxnet