v?CopySign
v?CopySign
Returns vector of elements of one argument with signs changed to match other argument elements.
Syntax
vsCopySign
(
n
,
a
,
y
);
vsCopySignI(n, a, inca, b, incb, y, incy);
vmsCopySign
(
n
,
a
,
y
,
mode
);
vmsCopySignI(n, a, inca, b, incb, y, incy, mode);
vdCopySign
(
n
,
a
,
y
);
vdCopySignI(n, a, inca, b, incb, y, incy);
vmdCopySign
(
n
,
a
,
y
,
mode
);
vmdCopySignI(n, a, inca, b, incb, 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 vsCopySign const float* for vmsCopySign const double* for vdCopySign const double* for vmdCopySign | Pointer to the array containing the input vector a . |
inca , incb , incy | const MKL_INT | Specifies increments for the elements of a , b , 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 vsCopySign float* for vmsCopySign double* for vdCopySign double* for vmdCopySign | Pointer to an array containing the output vector y . |
Description
The
v?CopySign
function returns the first vector argument elements with
the sign changed to match the sign of the second vector argument's
corresponding elements.