Visible to Intel only — GUID: GUID-034B5544-09CE-4B36-916C-1AD2C113D63C
Visible to Intel only — GUID: GUID-034B5544-09CE-4B36-916C-1AD2C113D63C
v?Abs
Computes absolute value of vector elements.
Syntax
call vsabs( n, a, y )
call vsabsi(n, a, inca, y, incy)
call vmsabs( n, a, y, mode )
call vmsabsi(n, a, inca, y, incy, mode)
call vdabs( n, a, y )
call vdabsi(n, a, inca, y, incy)
call vmdabs( n, a, y, mode )
call vmdabsi(n, a, inca, y, incy, mode)
call vcabs( n, a, y )
call vcabsi(n, a, inca, y, incy)
call vmcabs( n, a, y, mode )
call vmcabsi(n, a, inca, y, incy, mode)
call vzabs( n, a, y )
call vzabsi(n, a, inca, y, incy)
call vmzabs( n, a, y, mode )
call vmzabsi(n, a, inca, y, incy, mode)
Include Files
- mkl_vml.f90
Input Parameters
Name |
Type |
Description |
---|---|---|
n |
INTEGER, INTENT(IN) |
Specifies the number of elements to be calculated. |
a |
DOUBLE PRECISION for vdabs, vmdabs COMPLEX for vcabs, vmcabs DOUBLE COMPLEX for vzabs, vmzabs REAL, INTENT(IN) for vsabs, vmsabs DOUBLE PRECISION, INTENT(IN) for vdabs, vmdabs COMPLEX, INTENT(IN) for vcabs, vmcabs DOUBLE COMPLEX, INTENT(IN) for vzabs, vmzabs |
Array that specifies the input vector a. |
inca, incy |
INTEGER, INTENT (IN) |
Specifies increments for the elements of a 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. |
Output Parameters
Name |
Type |
Description |
---|---|---|
y |
DOUBLE PRECISION for vdabs, vmdabs, vzabs, vmzabs REAL, INTENT(OUT) for vsabs, vmsabs, vcabs, vmcabs DOUBLE PRECISION, INTENT(OUT) for vdabs, vmdabs, vzabs, vmzabs |
Array that specifies the output vector y. |
Description
The v?Abs function computes an absolute value of vector elements.
Argument | Result | Exception |
---|---|---|
+0 | +0 | |
-0 | +0 | |
+∞ | +∞ | |
-∞ | +∞ | |
QNAN | QNAN | |
SNAN | QNAN | INVALID |
Specifications for special values of the complex functions are defined according to the following formula
Abs(z) = Hypot(RE(z),IM(z)).