v?Sqrt
v?Sqrt
Computes a square root of vector elements.
Syntax
vsSqrt
(
n
,
a
,
y
)
;
vsSqrtI(n, a, inca, y, incy);
vmsSqrt
(
n
,
a
,
y
,
mode
)
;
vmsSqrtI(n, a, inca, y, incy, mode);
vdSqrt
(
n
,
a
,
y
)
;
vdSqrtI(n, a, inca, y, incy);
vmdSqrt
(
n
,
a
,
y
,
mode
)
;
vmdSqrtI(n, a, inca, y, incy, mode);
vcSqrt
(
n
,
a
,
y
)
;
vcSqrtI(n, a, inca, y, incy);
vmcSqrt
(
n
,
a
,
y
,
mode
)
;
vmcSqrtI(n, a, inca, y, incy, mode);
vzSqrt
(
n
,
a
,
y
)
;
vzSqrtI(n, a, inca, y, incy);
vmzSqrt
(
n
,
a
,
y
,
mode
)
;
vmzSqrtI(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 vsSqrt , vmsSqrt const double* for vdSqrt , vmdSqrt const MKL_Complex8* for vcSqrt , vmcSqrt const MKL_Complex16* for vzSqrt , vmzSqrt | 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 vsSqrt , vmsSqrt double* for vdSqrt , vmdSqrt MKL_Complex8* for vcSqrt , vmcSqrt MKL_Complex16* for vzSqrt , vmzSqrt | Pointer to an array that contains the output vector y . |
Description
The
v?Sqrt
function computes a square root of vector elements.Argument | Result | VM Error Status | Exception |
---|---|---|---|
X < +0 | QNAN | VML_STATUS_ERRDOM | INVALID |
+0 | +0 | ||
-0 | -0 | ||
- ∞ | QNAN | VML_STATUS_ERRDOM | INVALID |
+ ∞ | + ∞ | ||
QNAN | QNAN | ||
SNAN | QNAN | INVALID |
See
Special Value Notations
for the conventions used in the table below.
RE(z) i · IM(z) | - ∞ | -X | -0 | +0 | +X | + ∞ | NAN |
---|---|---|---|---|---|---|---|
+i · ∞ | + ∞ +i· ∞ | + ∞ +i· ∞ | + ∞ +i· ∞ | + ∞ +i· ∞ | + ∞ +i· ∞ | + ∞ +i· ∞ | + ∞ +i· ∞ |
+i · Y | +0+i · ∞ | + ∞ +i· 0 | QNAN+i · QNAN | ||||
+i · 0 | +0+i · ∞ | +0+i · 0 | +0+i · 0 | + ∞ +i· 0 | QNAN+i · QNAN | ||
-i · 0 | +0-i · ∞ | +0-i · 0 | +0-i · 0 | + ∞ -i· 0 | QNAN+i · QNAN | ||
-i · Y | +0-i · ∞ | + ∞ -i· 0 | QNAN+i · QNAN | ||||
-i · ∞ | + ∞ -i· ∞ | + ∞ -i· ∞ | + ∞ -i· ∞ | + ∞ -i· ∞ | + ∞ -i· ∞ | + ∞ -i· ∞ | + ∞ -i· ∞ |
+i · NAN | QNAN+i · QNAN | QNAN+i · QNAN | QNAN+i · QNAN | QNAN+i · QNAN | QNAN+i · QNAN | + ∞ +i· QNAN | QNAN+i · QNAN |
Notes:
- raisesINVALIDexception when the real or imaginary part of the argument isSNAN
- Sqrt(CONJ(z))=CONJ(Sqrt(z)).