v?Hypot
v?Hypot
Computes a square root of sum of two squared elements.
Syntax
vsHypot
(
n
,
a
,
b
,
y
)
;
vsHypotI(n, a, inca, b, incb, y, incy);
vmsHypot
(
n
,
a
,
b
,
y
,
mode
)
;
vmsHypotI(n, a, inca, b, incb, y, incy, mode);
vdHypot
(
n
,
a
,
b
,
y
)
;
vdHypotI(n, a, inca, b, incb, y, incy);
vmdHypot
(
n
,
a
,
b
,
y
,
mode
)
;
vmdHypotI(n, a, inca, b, incb, y, incy, mode);
Include Files
- mkl.h
Input Parameters
Name | Type | Description |
|---|---|---|
n | const MKL_INT | Number of elements to be calculated. |
a , b | const float* for vsHypot , vmsHypot const double* for vdHypot , vmdHypot | Pointers to arrays that contain the input vectors a and b . |
inca , incb , incy | const MKL_INT | Specifies increments for the elements of a , b , and y . |
mode | const MKL_INT64 | Overrides global VM mode setting for this function call. See vmlSetMode for possible values and their description. |
Data Type | Threshold Limitations on Input Parameters |
|---|---|
single precision | abs( a [i]) < sqrt(FLT_MAX) abs( b [i]) < sqrt(FLT_MAX) |
double precision | abs( a [i]) < sqrt(DBL_MAX)abs( b [i]) < sqrt(DBL_MAX) |
Output Parameters
Name | Type | Description |
|---|---|---|
y | float* for vsHypot , vmsHypot double* for vdHypot , vmdHypot | Pointer to an array that contains the output vector y . |
Description
The function
v?Hypot
computes a square root of sum of two squared elements.Argument 1 | Argument 2 | Result | Exception |
|---|---|---|---|
+0 | +0 | +0 | |
-0 | -0 | +0 | |
+ ∞ | any value | + ∞ | |
any value | + ∞ | + ∞ | |
SNAN | any value | QNAN | INVALID |
any value | SNAN | QNAN | INVALID |
QNAN | any value | QNAN | |
any value | QNAN | QNAN |