unary.hpp

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/*
 * Copyright (c) 2018-2025, NVIDIA CORPORATION.
 *
 * Licensed 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.
 */
 
#pragma once
 
#include <cudf/fixed_point/detail/floating_conversion.hpp>
#include <cudf/fixed_point/fixed_point.hpp>
#include <cudf/types.hpp>
#include <cudf/utilities/default_stream.hpp>
#include <cudf/utilities/export.hpp>
#include <cudf/utilities/memory_resource.hpp>
#include <cudf/utilities/traits.hpp>
 
#include <memory>
 
namespace CUDF_EXPORT cudf {
enum class unary_operator : int32_t {
  SIN,         
  COS,         
  TAN,         
  ARCSIN,      
  ARCCOS,      
  ARCTAN,      
  SINH,        
  COSH,        
  TANH,        
  ARCSINH,     
  ARCCOSH,     
  ARCTANH,     
  EXP,         
  LOG,         
  SQRT,        
  CBRT,        
  CEIL,        
  FLOOR,       
  ABS,         
  RINT,        
  BIT_COUNT,   
  BIT_INVERT,  
  NOT,         
  NEGATE,      
};
 
std::unique_ptr<cudf::column> unary_operation(
  cudf::column_view const& input,
  cudf::unary_operator op,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::unique_ptr<cudf::column> is_null(
  cudf::column_view const& input,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::unique_ptr<cudf::column> is_valid(
  cudf::column_view const& input,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::unique_ptr<column> cast(
  column_view const& input,
  data_type out_type,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
bool is_supported_cast(data_type from, data_type to) noexcept;
 
std::unique_ptr<column> is_nan(
  cudf::column_view const& input,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::unique_ptr<column> is_not_nan(
  cudf::column_view const& input,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
  // end of group
}  // namespace CUDF_EXPORT cudf