Developer Reference

Contents

v?Asinpi

Computes the inverse sine of vector elements divided by
π
.

Syntax

vsAsinpi
(
n
,
a
,
y
);
vsAsinpiI(n, a, inca, y, incy);
vmsAsinpi
(
n
,
a
,
y
,
mode
);
vmsAsinpiI(n, a, inca, y, incy, mode);
vdAsinpi
(
n
,
a
,
y
);
vdAsinpiI(n, a, inca, y, incy);
vmdAsinpi
(
n
,
a
,
y
,
mode
);
vmdAsinpiI(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
vsAsinpi
const float*
for
vmsAsinpi
const double*
for
vdAsinpi
const double*
for
vmdAsinpi
Pointer to the array containing the input vector
a
.
inca
,
incy
const MKL_INT
Specifies increments for the elements of
a
and
y
.
mode
const MKL_INT64
Overrides the global VM
mode
setting for this function call. See
vmlSetMode
for possible values and their description.
Output Parameters
Name
Type
Description
y
float*
for
vsAsinpi
float*
for
vmsAsinpi
double*
for
vdAsinpi
double*
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

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.