Developer Reference for Intel® oneAPI Math Kernel Library for C

ID 766684
Date 11/07/2023
Public

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Document Table of Contents

v?Floor

Computes an integer value rounded towards minus infinity for each vector element.

Syntax

vsFloor( n, a, y );

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

vmsFloor( n, a, y, mode );

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

vdFloor( n, a, y );

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

vmdFloor( n, a, y, mode );

vmdFloorI(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 vsFloor, vmsFloor

const double* for vdFloor, vmdFloor

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 vsFloor, vmsFloor

double* for vdFloor, vmdFloor

Pointer to an array that contains the output vector y.

Description

The function computes an integer value rounded towards minus infinity for each vector element.



Special Values for Real Function v?Floor(x)
Argument Result Exception
+0 +0  
-0 -0  
+ +  
- -  
SNAN QNAN INVALID
QNAN QNAN