MAGMA  2.3.0
Matrix Algebra for GPU and Multicore Architectures
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\( x^T y \) or \( x^H y \) More...

Functions

magmaFloatComplex magma_cblas_cdotc (magma_int_t n, const magmaFloatComplex *x, magma_int_t incx, const magmaFloatComplex *y, magma_int_t incy)
 Returns dot product of vectors x and y; \( x^H y \). More...
 
magmaFloatComplex magma_cblas_cdotu (magma_int_t n, const magmaFloatComplex *x, magma_int_t incx, const magmaFloatComplex *y, magma_int_t incy)
 
double magma_cblas_ddot (magma_int_t n, const double *x, magma_int_t incx, const double *y, magma_int_t incy)
 
float magma_cblas_sdot (magma_int_t n, const float *x, magma_int_t incx, const float *y, magma_int_t incy)
 
magmaDoubleComplex magma_cblas_zdotc (magma_int_t n, const magmaDoubleComplex *x, magma_int_t incx, const magmaDoubleComplex *y, magma_int_t incy)
 Returns dot product of vectors x and y; \( x^H y \). More...
 
magmaDoubleComplex magma_cblas_zdotu (magma_int_t n, const magmaDoubleComplex *x, magma_int_t incx, const magmaDoubleComplex *y, magma_int_t incy)
 
magmaFloatComplex magma_cdotc (magma_int_t n, magmaFloatComplex_const_ptr dx, magma_int_t incx, magmaFloatComplex_const_ptr dy, magma_int_t incy, magma_queue_t queue)
 
magmaFloatComplex magma_cdotu (magma_int_t n, magmaFloatComplex_const_ptr dx, magma_int_t incx, magmaFloatComplex_const_ptr dy, magma_int_t incy, magma_queue_t queue)
 
double magma_ddot (magma_int_t n, magmaDouble_const_ptr dx, magma_int_t incx, magmaDouble_const_ptr dy, magma_int_t incy, magma_queue_t queue)
 
float magma_sdot (magma_int_t n, magmaFloat_const_ptr dx, magma_int_t incx, magmaFloat_const_ptr dy, magma_int_t incy, magma_queue_t queue)
 
magmaDoubleComplex magma_zdotc (magma_int_t n, magmaDoubleComplex_const_ptr dx, magma_int_t incx, magmaDoubleComplex_const_ptr dy, magma_int_t incy, magma_queue_t queue)
 
magmaDoubleComplex magma_zdotu (magma_int_t n, magmaDoubleComplex_const_ptr dx, magma_int_t incx, magmaDoubleComplex_const_ptr dy, magma_int_t incy, magma_queue_t queue)
 

Detailed Description

\( x^T y \) or \( x^H y \)

Function Documentation

magmaFloatComplex magma_cblas_cdotc ( magma_int_t  n,
const magmaFloatComplex *  x,
magma_int_t  incx,
const magmaFloatComplex *  y,
magma_int_t  incy 
)

Returns dot product of vectors x and y; \( x^H y \).

To avoid dependence on CBLAS and incompatability issues between BLAS libraries, MAGMA uses its own implementation, following BLAS reference.

Parameters
[in]nNumber of elements in vector x and y. n >= 0.
[in]xCOMPLEX array on CPU host. The n element vector x of dimension (1 + (n-1)*incx).
[in]incxStride between consecutive elements of x. incx > 0.
[in]yCOMPLEX array on CPU host. The n element vector y of dimension (1 + (n-1)*incy).
[in]incyStride between consecutive elements of dy. incy > 0.
magmaFloatComplex magma_cblas_cdotu ( magma_int_t  n,
const magmaFloatComplex *  x,
magma_int_t  incx,
const magmaFloatComplex *  y,
magma_int_t  incy 
)
Returns
dot product (unconjugated) of vectors x and y; \( x^T y \).

To avoid dependence on CBLAS and incompatability issues between BLAS libraries, MAGMA uses its own implementation, following BLAS reference.

Parameters
[in]nNumber of elements in vector x and y. n >= 0.
[in]xCOMPLEX array on CPU host. The n element vector x of dimension (1 + (n-1)*incx).
[in]incxStride between consecutive elements of x. incx > 0.
[in]yCOMPLEX array on CPU host. The n element vector y of dimension (1 + (n-1)*incy).
[in]incyStride between consecutive elements of dy. incy > 0.
double magma_cblas_ddot ( magma_int_t  n,
const double *  x,
magma_int_t  incx,
const double *  y,
magma_int_t  incy 
)
Returns
dot product (unconjugated) of vectors x and y; \( x^T y \).

To avoid dependence on CBLAS and incompatability issues between BLAS libraries, MAGMA uses its own implementation, following BLAS reference.

Parameters
[in]nNumber of elements in vector x and y. n >= 0.
[in]xDOUBLE PRECISION array on CPU host. The n element vector x of dimension (1 + (n-1)*incx).
[in]incxStride between consecutive elements of x. incx > 0.
[in]yDOUBLE PRECISION array on CPU host. The n element vector y of dimension (1 + (n-1)*incy).
[in]incyStride between consecutive elements of dy. incy > 0.
float magma_cblas_sdot ( magma_int_t  n,
const float *  x,
magma_int_t  incx,
const float *  y,
magma_int_t  incy 
)
Returns
dot product (unconjugated) of vectors x and y; \( x^T y \).

To avoid dependence on CBLAS and incompatability issues between BLAS libraries, MAGMA uses its own implementation, following BLAS reference.

Parameters
[in]nNumber of elements in vector x and y. n >= 0.
[in]xREAL array on CPU host. The n element vector x of dimension (1 + (n-1)*incx).
[in]incxStride between consecutive elements of x. incx > 0.
[in]yREAL array on CPU host. The n element vector y of dimension (1 + (n-1)*incy).
[in]incyStride between consecutive elements of dy. incy > 0.
magmaDoubleComplex magma_cblas_zdotc ( magma_int_t  n,
const magmaDoubleComplex *  x,
magma_int_t  incx,
const magmaDoubleComplex *  y,
magma_int_t  incy 
)

Returns dot product of vectors x and y; \( x^H y \).

To avoid dependence on CBLAS and incompatability issues between BLAS libraries, MAGMA uses its own implementation, following BLAS reference.

Parameters
[in]nNumber of elements in vector x and y. n >= 0.
[in]xCOMPLEX_16 array on CPU host. The n element vector x of dimension (1 + (n-1)*incx).
[in]incxStride between consecutive elements of x. incx > 0.
[in]yCOMPLEX_16 array on CPU host. The n element vector y of dimension (1 + (n-1)*incy).
[in]incyStride between consecutive elements of dy. incy > 0.
magmaDoubleComplex magma_cblas_zdotu ( magma_int_t  n,
const magmaDoubleComplex *  x,
magma_int_t  incx,
const magmaDoubleComplex *  y,
magma_int_t  incy 
)
Returns
dot product (unconjugated) of vectors x and y; \( x^T y \).

To avoid dependence on CBLAS and incompatability issues between BLAS libraries, MAGMA uses its own implementation, following BLAS reference.

Parameters
[in]nNumber of elements in vector x and y. n >= 0.
[in]xCOMPLEX_16 array on CPU host. The n element vector x of dimension (1 + (n-1)*incx).
[in]incxStride between consecutive elements of x. incx > 0.
[in]yCOMPLEX_16 array on CPU host. The n element vector y of dimension (1 + (n-1)*incy).
[in]incyStride between consecutive elements of dy. incy > 0.
magmaFloatComplex magma_cdotc ( magma_int_t  n,
magmaFloatComplex_const_ptr  dx,
magma_int_t  incx,
magmaFloatComplex_const_ptr  dy,
magma_int_t  incy,
magma_queue_t  queue 
)
Returns
Dot product of vectors x and y; \( x^H y \).
Parameters
[in]nNumber of elements in vector x and y. n >= 0.
[in]dxCOMPLEX array on GPU device. The n element vector x of dimension (1 + (n-1)*incx).
[in]incxStride between consecutive elements of dx. incx != 0.
[in]dyCOMPLEX array on GPU device. The n element vector y of dimension (1 + (n-1)*incy).
[in]incyStride between consecutive elements of dy. incy != 0.
[in]queuemagma_queue_t Queue to execute in.
magmaFloatComplex magma_cdotu ( magma_int_t  n,
magmaFloatComplex_const_ptr  dx,
magma_int_t  incx,
magmaFloatComplex_const_ptr  dy,
magma_int_t  incy,
magma_queue_t  queue 
)
Returns
Dot product (unconjugated) of vectors x and y; \( x^T y \).
Parameters
[in]nNumber of elements in vector x and y. n >= 0.
[in]dxCOMPLEX array on GPU device. The n element vector x of dimension (1 + (n-1)*incx).
[in]incxStride between consecutive elements of dx. incx != 0.
[in]dyCOMPLEX array on GPU device. The n element vector y of dimension (1 + (n-1)*incy).
[in]incyStride between consecutive elements of dy. incy != 0.
[in]queuemagma_queue_t Queue to execute in.
double magma_ddot ( magma_int_t  n,
magmaDouble_const_ptr  dx,
magma_int_t  incx,
magmaDouble_const_ptr  dy,
magma_int_t  incy,
magma_queue_t  queue 
)
Returns
Dot product (unconjugated) of vectors x and y; \( x^T y \).
Parameters
[in]nNumber of elements in vector x and y. n >= 0.
[in]dxDOUBLE PRECISION array on GPU device. The n element vector x of dimension (1 + (n-1)*incx).
[in]incxStride between consecutive elements of dx. incx != 0.
[in]dyDOUBLE PRECISION array on GPU device. The n element vector y of dimension (1 + (n-1)*incy).
[in]incyStride between consecutive elements of dy. incy != 0.
[in]queuemagma_queue_t Queue to execute in.
float magma_sdot ( magma_int_t  n,
magmaFloat_const_ptr  dx,
magma_int_t  incx,
magmaFloat_const_ptr  dy,
magma_int_t  incy,
magma_queue_t  queue 
)
Returns
Dot product (unconjugated) of vectors x and y; \( x^T y \).
Parameters
[in]nNumber of elements in vector x and y. n >= 0.
[in]dxREAL array on GPU device. The n element vector x of dimension (1 + (n-1)*incx).
[in]incxStride between consecutive elements of dx. incx != 0.
[in]dyREAL array on GPU device. The n element vector y of dimension (1 + (n-1)*incy).
[in]incyStride between consecutive elements of dy. incy != 0.
[in]queuemagma_queue_t Queue to execute in.
magmaDoubleComplex magma_zdotc ( magma_int_t  n,
magmaDoubleComplex_const_ptr  dx,
magma_int_t  incx,
magmaDoubleComplex_const_ptr  dy,
magma_int_t  incy,
magma_queue_t  queue 
)
Returns
Dot product of vectors x and y; \( x^H y \).
Parameters
[in]nNumber of elements in vector x and y. n >= 0.
[in]dxCOMPLEX_16 array on GPU device. The n element vector x of dimension (1 + (n-1)*incx).
[in]incxStride between consecutive elements of dx. incx != 0.
[in]dyCOMPLEX_16 array on GPU device. The n element vector y of dimension (1 + (n-1)*incy).
[in]incyStride between consecutive elements of dy. incy != 0.
[in]queuemagma_queue_t Queue to execute in.
magmaDoubleComplex magma_zdotu ( magma_int_t  n,
magmaDoubleComplex_const_ptr  dx,
magma_int_t  incx,
magmaDoubleComplex_const_ptr  dy,
magma_int_t  incy,
magma_queue_t  queue 
)
Returns
Dot product (unconjugated) of vectors x and y; \( x^T y \).
Parameters
[in]nNumber of elements in vector x and y. n >= 0.
[in]dxCOMPLEX_16 array on GPU device. The n element vector x of dimension (1 + (n-1)*incx).
[in]incxStride between consecutive elements of dx. incx != 0.
[in]dyCOMPLEX_16 array on GPU device. The n element vector y of dimension (1 + (n-1)*incy).
[in]incyStride between consecutive elements of dy. incy != 0.
[in]queuemagma_queue_t Queue to execute in.