v?Trunc
v?Trunc
Computes an
integer value rounded towards zero for each vector element.
Syntax
vsTrunc
(
n
,
a
,
y
)
;
vsTruncI(n, a, inca,
y, incy);
vmsTrunc
(
n
,
a
,
y
,
mode
)
;
vmsTruncI(n, a, inca,
y, incy, mode);
vdTrunc
(
n
,
a
,
y
)
;
vdTruncI(n, a, inca,
y, incy);
vmdTrunc
(
n
,
a
,
y
,
mode
)
;
vmdTruncI(n, a, inca,
y, incy, mode);
Include Files
- mkl.h
Input Parameters
Name | Type | Description |
|---|---|---|
n | const MKL_INT | Specifies the number of elements to be
calculated. |
a | const float* for vsTrunc , vmsTrunc const double* for vdTrunc , vmdTrunc | Pointer to an array that contains
the input vector a . |
inca , incy | const MKL_INT | Specifies increments for the elements of a
and y . |
mode | const MKL_INT64 |
Overrides global VM mode setting for this function
call. See vmlSetMode for
possible values and their
description. |
Output
Parameters
Name | Type | Description |
|---|---|---|
y | float* for vsTrunc , vmsTrunc double* for vdTrunc , vmdTrunc | Pointer to an array that contains
the output vector y . |
Description
The function computes an integer value rounded towards
zero for each vector element.
Argument | Result | Exception |
|---|---|---|
+0 | +0 | |
-0 | -0 | |
+ ∞ | + ∞ | |
- ∞ | - ∞ | |
SNAN | QNAN | INVALID |
QNAN | QNAN |