Developer Reference for Intel® oneAPI Math Kernel Library for C

ID 766684
Date 7/13/2023
Public

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Document Table of Contents

v?Inv

Performs element by element inversion of the vector.

Syntax

vsInv( n, a, y );

vsInvI(n, a, inca, y, incy);

vmsInv( n, a, y, mode );

vmsInvI(n, a, inca, y, incy, mode);

vdInv( n, a, y );

vdInvI(n, a, inca, y, incy);

vmdInv( n, a, y, mode );

vmdInvI(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 float* for vsInv, vmsInv

const double* for vdInv, vmdInv

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

float* for vsInv, vmsInv

double* for vdInv, vmdInv

Pointer to an array that contains the output vector y.

Description

The v?Inv function performs element by element inversion of the vector.

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