v?Exp2
v?Exp2
Computes the base 2 exponential of vector elements.
Syntax
vsExp2
(
n
,
a
,
y
);
vsExp2I(n, a, inca, y, incy);
vmsExp2
(
n
,
a
,
y
,
mode
);
vmsExp2I(n, a, inca, y, incy, mode);
vdExp2
(
n
,
a
,
y
);
vdExp2I(n, a, inca, y, incy);
vmdExp2
(
n
,
a
,
y
,
mode
);
vmdExp2I(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 vsExp2 const float* for vmsExp2 const double* for vdExp2 const double* for vmdExp2 | Pointer to the array containing the input vector a . |
inca , incy | const MKL_INT | Specifies increments for the elements of a and y . |
mode | const MKL_INT64 | Overrides the global VM mode setting for this
function call. See
vmlSetMode
for possible values and their
description. |
Output Parameters
Name | Type | Description |
|---|---|---|
y | float* for vsExp2 float* for vmsExp2 double* for vdExp2 double* for vmdExp2 | Pointer to an array containing the output vector y . |
Description
The
v?Exp2
function computes the base 2 exponential of vector elements.Data Type | Threshold Limitations on Input Parameters |
|---|---|
single precision | a i 2 (FLT_MAX) |
double precision | a i 2 (DBL_MAX) |
See Special Value Notations for the conventions used in this table:
Argument | Result | VM Error Status | Exception |
|---|---|---|---|
+0 | +1 | ||
-0 | +1 | ||
x > overflow | + ∞ | VML_STATUS_OVERFLOW | OVERFLOW |
x < underflow | +0 | VML_STATUS_UNDERFLOW | UNDERFLOW |
+ ∞ | + ∞ | ||
- ∞ | +0 | ||
QNAN | QNAN | ||
SNAN | QNAN | INVALID |