Developer Reference for Intel® oneAPI Math Kernel Library for Fortran

ID 766686
Date 7/13/2023
Public

A newer version of this document is available. Customers should click here to go to the newest version.

Document Table of Contents

v?Floor

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

Syntax

call vsfloor( n, a, y )

call vsfloori(n, a, inca, y, incy)

call vmsfloor( n, a, y, mode )

call vmsfloori(n, a, inca, y, incy, mode)

call vdfloor( n, a, y )

call vdfloori(n, a, inca, y, incy)

call vmdfloor( n, a, y, mode )

call vmdfloori(n, a, inca, y, incy, mode)

Include Files

  • mkl_vml.f90

Input Parameters

Name

Type

Description

n

INTEGER, INTENT(IN)

Specifies the number of elements to be calculated.

a

DOUBLE PRECISION for vdfloor, vmdfloor

REAL, INTENT(IN) for vsfloor, vmsfloor

DOUBLE PRECISION, INTENT(IN) for vdfloor, vmdfloor

Array that specifies the input vector a.

inca, incy

INTEGER, INTENT(IN)

Specifies increments for the elements of a and y.

mode

INTEGER(KIND=8), INTENT(IN)

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

Output Parameters

Name

Type

Description

y

DOUBLE PRECISION for vdfloor, vmdfloor

REAL, INTENT(OUT) for vsfloor, vmsfloor

DOUBLE PRECISION, INTENT(OUT) for vdfloor, vmdfloor

Array that specifies 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