dotu#
Computes the dot product of two complex vectors.
Description#
The dotu routines perform a dot product between two complex vectors.
The operation is defined as:
dotu supports the following precisions:
T |
|---|
|
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dotu (Buffer Version)#
Syntax#
namespace oneapi::mkl::blas::column_major {
void dotu(sycl::queue &queue,
std::int64_t n,
sycl::buffer<T,1> &x,
std::int64_t incx,
sycl::buffer<T,1> &y,
std::int64_t incy,
sycl::buffer<T,1> &result)
}
namespace oneapi::mkl::blas::row_major {
void dotu(sycl::queue &queue,
std::int64_t n,
sycl::buffer<T,1> &x,
std::int64_t incx,
sycl::buffer<T,1> &y,
std::int64_t incy,
sycl::buffer<T,1> &result)
}
Input Parameters#
- queue
The queue where the routine should be executed.
- n
Number of elements in vectors
xandy.- x
Buffer holding input vector
x. Size of the buffer must be at least (1 + (n- 1)*abs(incx)). See Matrix Storage for more details.- incx
Stride of vector
x.- y
Buffer holding input vector
y. The buffer must have size at least (1 + (n- 1)*abs(incy)). See Matrix Storage for more details.- incy
Stride of vector
y.
Output Parameters#
- result
Buffer where the result (a scalar) is stored.
dotu (USM Version)#
Syntax#
namespace oneapi::mkl::blas::column_major {
sycl::event dotu(sycl::queue &queue,
std::int64_t n,
const T *x,
std::int64_t incx,
const T *y,
std::int64_t incy,
T *result,
const std::vector<sycl::event> &dependencies = {})
}
namespace oneapi::mkl::blas::row_major {
sycl::event dotu(sycl::queue &queue,
std::int64_t n,
const T *x,
std::int64_t incx,
const T *y,
std::int64_t incy,
T *result,
const std::vector<sycl::event> &dependencies = {})
}
Input Parameters#
- queue
The queue where the routine should be executed.
- n
Number of elements in vectors
xandy.- x
Pointer to the input vector
x. Size of the array holding input vectorxmust be at least (1 + (n- 1)*abs(incx)). See Matrix Storage for more details.- incx
Stride of vector
x.- y
Pointer to input vector
y. Size of the array holding input vectorymust be at least (1 + (n- 1)*abs(incy)). See Matrix Storage for more details.- incy
Stride of vector
y.- dependencies
List of events to wait for before starting computation, if any. If omitted, defaults to no dependencies.
Output Parameters#
- result
Pointer to where the result (a scalar) is stored.
Return Values#
Output event to wait on to ensure computation is complete.