replace.hpp File Reference

APIs for replacing null and specified values within columns. More...

#include <cudf/types.hpp>
#include <cudf/utilities/default_stream.hpp>
#include <cudf/utilities/export.hpp>
#include <cudf/utilities/memory_resource.hpp>
#include <memory>

Go to the source code of this file.

Namespaces
	cudf
	cuDF interfaces

Enumerations
enum class	cudf::replace_policy : bool { PRECEDING , FOLLOWING }
	Policy to specify the position of replacement values relative to null rows. More...

Functions
std::unique_ptr< column >	cudf::replace_nulls (column_view const &input, column_view const &replacement, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Replaces all null values in a column with corresponding values of another column. More...
std::unique_ptr< column >	cudf::replace_nulls (column_view const &input, scalar const &replacement, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Replaces all null values in a column with a scalar. More...
std::unique_ptr< column >	cudf::replace_nulls (column_view const &input, replace_policy const &replace_policy, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Replaces all null values in a column with the first non-null value that precedes/follows. More...
std::unique_ptr< column >	cudf::replace_nans (column_view const &input, column_view const &replacement, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Replaces all NaN values in a column with corresponding values from another column. More...
std::unique_ptr< column >	cudf::replace_nans (column_view const &input, scalar const &replacement, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Replaces all NaN values in a column with a scalar. More...
std::unique_ptr< column >	cudf::find_and_replace_all (column_view const &input_col, column_view const &values_to_replace, column_view const &replacement_values, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Return a copy of input_col replacing any values_to_replace[i] found with replacement_values[i]. More...
std::unique_ptr< column >	cudf::clamp (column_view const &input, scalar const &lo, scalar const &lo_replace, scalar const &hi, scalar const &hi_replace, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Replaces values less than lo in input with lo_replace, and values greater than hi with hi_replace. More...
std::unique_ptr< column >	cudf::clamp (column_view const &input, scalar const &lo, scalar const &hi, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
	Replaces values less than lo in input with lo, and values greater than hi with hi. More...
std::unique_ptr< column >	cudf::normalize_nans_and_zeros (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())
	Copies from a column of floating-point elements and replaces -NaN and -0.0 with +NaN and +0.0, respectively. More...
void	cudf::normalize_nans_and_zeros (mutable_column_view &in_out, rmm::cuda_stream_view stream=cudf::get_default_stream())
	Modifies a column of floating-point elements to replace all -NaN and -0.0 with +NaN and +0.0, respectively. More...

Detailed Description

APIs for replacing null and specified values within columns.

Definition in file replace.hpp.