Developer Reference

  • 2020.2
  • 07/15/2020
  • Public Content
Contents

v?Round

Computes a value rounded to the nearest integer for each vector element.

Syntax

call vsround
(
n
,
a
,
y
)
call vsroundi(n, a, inca, y, incy)
call vmsround
(
n
,
a
,
y
,
mode
)
call vmsroundi(n, a, inca, y, incy, mode)
call vdround
(
n
,
a
,
y
)
call vdroundi(n, a, inca, y, incy)
call vmdround
(
n
,
a
,
y
,
mode
)
call vmdroundi(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
vdround
,
vmdround
REAL
,
INTENT(IN)
for
vsround
,
vmsround
DOUBLE PRECISION
,
INTENT(IN)
for
vdround
,
vmdround
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
vdround
,
vmdround
REAL
,
INTENT(OUT)
for
vsround
,
vmsround
DOUBLE PRECISION
,
INTENT(OUT)
for
vdround
,
vmdround
Array that specifies the output vector
y
.
Description
The function computes a value rounded to the nearest integer for each vector element. Input elements that are halfway between two consecutive integers are always rounded away from zero regardless of the rounding mode.
Special Values for Real Function
v?Round(x)
Argument
Result
Exception
+0
+0
 
-0
-0
 
+
+
 
-
-
 
SNAN
QNAN
INVALID
QNAN
QNAN