Developer Reference for Intel® oneAPI Math Kernel Library - C

Developer Reference

  • 2021.1
  • 12/04/2020
  • Public Content
Contents

df?QueryPtr

Reads a pointer to an array held in a Data Fitting task descriptor.

Syntax

status
=
dfsQueryPtr
(
task
,
ptr_attr
,
ptr
)
status
=
dfdQueryPtr
(
task
,
ptr_attr
,
ptr
)
Include Files
  • mkl.h
Input Parameters
Name
Type
Description
task
DFTaskPtr
Descriptor of the task.
ptr_attr
const MKL_INT
The parameter to query.
The query routine supports pointer attributes described in the table
"Pointers Supported by the
df?EditPtr
 Task Editor"
. For details, see the
Pointer Attribute
 column in the table.
Output Parameters
Name
Type
Description
ptr
float**
 for
dfsQueryPtr
double**
 for
dfdQueryPtr
Pointer to array returned by the query routine.
For details, see the
Purpose
column in table
"Pointers Supported by the
df?EditPtr
 Task Editor"
.
status
int
Status of the routine:
Description
The
df?QueryPtr
 routine returns the pointer of type
ptr_attr
 stored in a Data Fitting task descriptor as parameter
ptr
. Attributes of the pointers supported by the query function are identical to those supported by the editor
df?EditPtr
 editor in the table
"Pointers Supported by the
df?EditPtr
 Task Editor"
.
You can use
df?QueryPtr
 to read different types of pointers including pointers to the vector-valued function and spline coefficients stored in contiguous memory.

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.