Visible to Intel only — GUID: GUID-FCF67793-00C8-4BE7-9119-7A51DB38B3F7
Visible to Intel only — GUID: GUID-FCF67793-00C8-4BE7-9119-7A51DB38B3F7
v?Hypot
Computes a square root of sum of two squared elements.
Syntax
call vshypot( n, a, b, y )
call vshypoti(n, a, inca, b, incb, y, incy)
call vmshypot( n, a, b, y, mode )
call vmshypoti(n, a, inca, b, incb, y, incy, mode)
call vdhypot( n, a, b, y )
call vdhypoti(n, a, inca, b, incb, y, incy)
call vmdhypot( n, a, b, y, mode )
call vmdhypoti(n, a, inca, b, incb, y, incy, mode)
Include Files
- mkl_vml.f90
Input Parameters
Name |
Type |
Description |
---|---|---|
n |
INTEGER, INTENT(IN) |
Number of elements to be calculated. |
a, b |
DOUBLE PRECISION for vdhypot, vmdhypot REAL, INTENT(IN) for vshypot, vmshypot DOUBLE PRECISION, INTENT(IN) for vdhypot, vmdhypot |
Arrays that specify the input vectors a and b |
inca, incb, incy |
INTEGER, INTENT(IN) |
Specifies increments for the elements of a, b, and y. |
mode |
INTEGER(KIND=8), INTENT(IN) |
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 |
DOUBLE PRECISION for vdhypot, vmdhypot REAL, INTENT(OUT) for vshypot, vmshypot DOUBLE PRECISION, INTENT(OUT) for vdhypot, vmdhypot |
Array that specifies 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 |