Developer Reference

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

v?Trunc

Computes an integer value rounded towards zero for each vector element.

Syntax

call vstrunc
(
n
,
a
,
y
)
call vstrunci(n, a, inca, y, incy)
call vmstrunc
(
n
,
a
,
y
,
mode
)
call vmstrunci(n, a, inca, y, incy, mode)
call vdtrunc
(
n
,
a
,
y
)
call vdtrunci(n, a, inca, y, incy)
call vmdtrunc
(
n
,
a
,
y
,
mode
)
call vmdtrunci(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
vdTrunc
,
vmdTrunc
REAL
,
INTENT(IN)
for
vsTrunc
,
vmsTrunc
DOUBLE PRECISION
,
INTENT(IN)
for
vdTrunc
,
vmdTrunc
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
vdTrunc
,
vmdTrunc
REAL
,
INTENT(OUT)
for
vsTrunc
,
vmsTrunc
DOUBLE PRECISION
,
INTENT(OUT)
for
vdTrunc
,
vmdTrunc
Array that specifies the output vector
y
.
Description
The function computes an integer value rounded towards zero for each vector element.
Special Values for Real Function
v?Trunc(x)
Argument
Result
Exception
+0
+0
 
-0
-0
 
+
+
 
-
-
 
SNAN
QNAN
INVALID
QNAN
QNAN