Developer Reference

Contents

v?Asin

Computes inverse sine of vector elements.

Syntax

vsAsin
(
n
,
a
,
y
)
;
vsAsinI(n, a, inca, y, incy);
vmsAsin
(
n
,
a
,
y
,
mode
)
;
vmsAsinI(n, a, inca, y, incy, mode);
vdAsin
(
n
,
a
,
y
)
;
vdAsinI(n, a, inca, y, incy);
vmdAsin
(
n
,
a
,
y
,
mode
)
;
vmdAsinI(n, a, inca, y, incy, mode);
vcAsin
(
n
,
a
,
y
)
;
vcAsinI(n, a, inca, y, incy);
vmcAsin
(
n
,
a
,
y
,
mode
)
;
vmcAsinI(n, a, inca, y, incy, mode);
vzAsin
(
n
,
a
,
y
)
;
vzAsinI(n, a, inca, y, incy);
vmzAsin
(
n
,
a
,
y
,
mode
)
;
vmzAsinI(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
vsAsin
,
vmsAsin
const double*
for
vdAsin
,
vmdAsin
const MKL_Complex8*
for
vcAsin
,
vmcAsin
const MKL_Complex16*
for
vzAsin
,
vmzAsin
Pointer to an array that contains the input vector
a
.
inca
,
incy
const MKL_INT
Specifies increments for the elements of
a
and
y
.
mode
const MKL_INT64
Overrides global VM mode setting for this function call. See
vmlSetMode
for possible values and their description.
Output Parameters
Name
Type
Description
y
float*
for
vsAsin
,
vmsAsin
double*
for
vdAsin
,
vmdAsin
MKL_Complex8*
for
vcAsin
,
vmcAsin
MKL_Complex16*
for
vzAsin
,
vmzAsin
Pointer to an array that contains the output vector
y
.
Description
The
v?Asin
function computes inverse sine of vector elements.
Special Values for Real Function
v?Asin(x)
Argument
Result
VM Error Status
Exception
+0
+0
 
 
-0
-0
 
 
+1
+
π
/2
 
 
-1
-
π
/2
 
 
|X| > 1
QNAN
VML_STATUS_ERRDOM
INVALID
+
QNAN
VML_STATUS_ERRDOM
INVALID
-
QNAN
VML_STATUS_ERRDOM
INVALID
QNAN
QNAN
 
 
SNAN
QNAN
 
INVALID
Specifications for special values of the complex functions are defined according to the following formula
Asin(z) = -i*Asinh(i*z)
.

Product and Performance Information

1

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