Developer Reference for Intel® oneAPI Math Kernel Library for C

ID 766684
Date 10/31/2024
Public
Document Table of Contents

v?Y1

Computes the Bessel function of the second kind for vector elements.

Syntax

vhY1( n, a, y );
vhY1I(n, a, inca, y, incy);
vmhY1( n, a, y, mode );
vmhY1I(n, a, inca, y, incy, mode);
vsY1( n, a, y );
vsY1I(n, a, inca, y, incy);
vmsY1( n, a, y, mode );
vmsY1I(n, a, inca, y, incy, mode);
vdY1( n, a, y );
vdY1I(n, a, inca, y, incy);
vmdY1( n, a, y, mode );
vmdY1I(n, a, inca, y, incy, mode);

Include Files

mkl.h

Input Parameters

Name

Type

Description

n

const MKL_INT

Specifies the number of elements to be calculated.

a

const _Float16* for vhY1, vmhY1

const float* for vsY1, vmsY1

const double* for vdY1, vmdY1

Pointer to an array that contains the input vector a.

inca, incy

const MKL_INT

Specifies increments for the elements of a and y.

mode

const MKL_INT64

Overrides global VM mode setting for this function call. See vmlSetMode for possible values and their description.

Output Parameters

Name

Type

Description

y

_Float16* for vhY1, vmhY1

float* for vsY1, vmsY1

double* for vdY1, vmdY1

Pointer to an array that contains the output vector y.

Description

The Y1 function computes the Bessel function of the second kind of order 1 for elements of the input vector a and writes them to the output vector y.

Special Values for Real Function v?Y1(x)
Argument Result VM Error Status Exception
+0 - VML_STATUS_SING ZERODIVIDE
-0 - VML_STATUS_SING ZERODIVIDE
+ +0    
x < 0 (including -) SNAN VML_STATUS_ERRDOM INVALID
QNAN QNAN    
SNAN QNAN   INVALID