Intel® Math Kernel Library 2019 Developer Reference - Fortran

v?Floor

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

Syntax

call vsfloor( n, a, y )

call vmsfloor( n, a, y, mode )

call vdfloor( n, a, y )

call vmdfloor( n, a, y, mode )

Include Files

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.

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