Developer Reference for Intel® oneAPI Math Kernel Library for Fortran

ID 766686
Date 3/31/2023
Public

A newer version of this document is available.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

Document Table of Contents

v?Asinpi

Computes the inverse sine of vector elements divided by π.

Syntax

call vsasinpi (n, a, y)

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

call vmsasinpi (n, a, y, mode)

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

call vdasinpi (n, a, y)

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

call vmdasinpi (n, a, y, mode)

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

Include Files
  • mkl_vml.f90
Input Parameters

Name

Type

Description

n

INTEGER

Specifies the number of elements to be calculated.

a

REAL for vsasinpi

REAL for vmsasinpi

DOUBLE PRECISION for vdasinpi

DOUBLE PRECISION for vmdasinpi

Pointer to the array containing the input vector a.

inca, incy

INTEGER, INTENT(IN)

Specifies increments for the elements of a and y.

mode

INTEGER (KIND=8)

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

Output Parameters

Name

Type

Description

y

REAL for vsasinpi

REAL for vmsasinpi

DOUBLE PRECISION for vdasinpi

DOUBLE PRECISION for vmdasinpi

Pointer to an array containing the output vector y.

Description

The v?Asinpi function computes the inverse sine of vector elements divided by π. For an argument x, the function computes asin(x)/π.

Special values for Real Function v?Asinpi(x)
Argument Result VM Error Status Exception
+0 +0    
-0 -0    
+1 +1/2    
-1 -1/2    
|x| > 1 QNAN VML_STATUS_ERRDOM INVALID
+ QNAN VML_STATUS_ERRDOM INVALID
- QNAN VML_STATUS_ERRDOM INVALID
QNAN QNAN    
SNAN QNAN   INVALID

See Also