Intel® Math Kernel Library 2019 Developer Reference - Fortran

v?Cbrt

Computes a cube root of vector elements.

Syntax

call vscbrt( n, a, y )

call vmscbrt( n, a, y, mode )

call vdcbrt( n, a, y )

call vmdcbrt( 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 vdcbrt, vmdcbrt

REAL, INTENT(IN) for vscbrt, vmscbrt

DOUBLE PRECISION, INTENT(IN) for vdcbrt, vmdcbrt

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 vdcbrt, vmdcbrt

REAL, INTENT(OUT) for vscbrt, vmscbrt

DOUBLE PRECISION, INTENT(OUT) for vdcbrt, vmdcbrt

Array that specifies the output vector y.

Description

The v?Cbrt function computes a cube root of vector elements.

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