MAGMA 2.9.0
Matrix Algebra for GPU and Multicore Architectures
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Functions
symmetrize: Symmetrize matrix
Dense LA » MAGMA BLAS and Auxiliary » Level 2: matrix-vector operations, O(n^2) work

\(\text{upper}(A) = \text{lower}(A)^T\) or \(\text{lower}(A) = \text{upper}(A)^T\) More...

Functions

void magmablas_csymmetrize (magma_uplo_t uplo, magma_int_t m, magmaFloatComplex_ptr dA, magma_int_t ldda, magma_queue_t queue)
 CSYMMETRIZE copies lower triangle to upper triangle, or vice-versa, to make dA a general representation of a symmetric matrix.
 
void magmablas_dsymmetrize (magma_uplo_t uplo, magma_int_t m, magmaDouble_ptr dA, magma_int_t ldda, magma_queue_t queue)
 DSYMMETRIZE copies lower triangle to upper triangle, or vice-versa, to make dA a general representation of a symmetric matrix.
 
void magmablas_ssymmetrize (magma_uplo_t uplo, magma_int_t m, magmaFloat_ptr dA, magma_int_t ldda, magma_queue_t queue)
 SSYMMETRIZE copies lower triangle to upper triangle, or vice-versa, to make dA a general representation of a symmetric matrix.
 
void magmablas_zsymmetrize (magma_uplo_t uplo, magma_int_t m, magmaDoubleComplex_ptr dA, magma_int_t ldda, magma_queue_t queue)
 ZSYMMETRIZE copies lower triangle to upper triangle, or vice-versa, to make dA a general representation of a symmetric matrix.
 

Detailed Description

\(\text{upper}(A) = \text{lower}(A)^T\) or \(\text{lower}(A) = \text{upper}(A)^T\)

Function Documentation

◆ magmablas_csymmetrize()

void magmablas_csymmetrize ( magma_uplo_t uplo,
magma_int_t m,
magmaFloatComplex_ptr dA,
magma_int_t ldda,
magma_queue_t queue )

CSYMMETRIZE copies lower triangle to upper triangle, or vice-versa, to make dA a general representation of a symmetric matrix.

In Complex, it sets the diagonal to be Real.

Parameters
[in]uplomagma_uplo_t Specifies the part of the matrix dA that is valid on input.
  • = MagmaUpper: Upper triangular part
  • = MagmaLower: Lower triangular part
[in]mINTEGER The number of rows of the matrix dA. M >= 0.
[in,out]dACOMPLEX array, dimension (LDDA,N) The m by m matrix dA.
[in]lddaINTEGER The leading dimension of the array dA. LDDA >= max(1,M).
[in]queuemagma_queue_t Queue to execute in.

◆ magmablas_dsymmetrize()

void magmablas_dsymmetrize ( magma_uplo_t uplo,
magma_int_t m,
magmaDouble_ptr dA,
magma_int_t ldda,
magma_queue_t queue )

DSYMMETRIZE copies lower triangle to upper triangle, or vice-versa, to make dA a general representation of a symmetric matrix.

In Complex, it sets the diagonal to be Real.

Parameters
[in]uplomagma_uplo_t Specifies the part of the matrix dA that is valid on input.
  • = MagmaUpper: Upper triangular part
  • = MagmaLower: Lower triangular part
[in]mINTEGER The number of rows of the matrix dA. M >= 0.
[in,out]dADOUBLE PRECISION array, dimension (LDDA,N) The m by m matrix dA.
[in]lddaINTEGER The leading dimension of the array dA. LDDA >= max(1,M).
[in]queuemagma_queue_t Queue to execute in.

◆ magmablas_ssymmetrize()

void magmablas_ssymmetrize ( magma_uplo_t uplo,
magma_int_t m,
magmaFloat_ptr dA,
magma_int_t ldda,
magma_queue_t queue )

SSYMMETRIZE copies lower triangle to upper triangle, or vice-versa, to make dA a general representation of a symmetric matrix.

In Complex, it sets the diagonal to be Real.

Parameters
[in]uplomagma_uplo_t Specifies the part of the matrix dA that is valid on input.
  • = MagmaUpper: Upper triangular part
  • = MagmaLower: Lower triangular part
[in]mINTEGER The number of rows of the matrix dA. M >= 0.
[in,out]dAREAL array, dimension (LDDA,N) The m by m matrix dA.
[in]lddaINTEGER The leading dimension of the array dA. LDDA >= max(1,M).
[in]queuemagma_queue_t Queue to execute in.

◆ magmablas_zsymmetrize()

void magmablas_zsymmetrize ( magma_uplo_t uplo,
magma_int_t m,
magmaDoubleComplex_ptr dA,
magma_int_t ldda,
magma_queue_t queue )

ZSYMMETRIZE copies lower triangle to upper triangle, or vice-versa, to make dA a general representation of a symmetric matrix.

In Complex, it sets the diagonal to be Real.

Parameters
[in]uplomagma_uplo_t Specifies the part of the matrix dA that is valid on input.
  • = MagmaUpper: Upper triangular part
  • = MagmaLower: Lower triangular part
[in]mINTEGER The number of rows of the matrix dA. M >= 0.
[in,out]dACOMPLEX_16 array, dimension (LDDA,N) The m by m matrix dA.
[in]lddaINTEGER The leading dimension of the array dA. LDDA >= max(1,M).
[in]queuemagma_queue_t Queue to execute in.