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/*
-- MAGMA (version 2.9.0) --
Univ. of Tennessee, Knoxville
Univ. of California, Berkeley
Univ. of Colorado, Denver
@date January 2025
@generated from sparse/control/magma_zvtranspose.cpp, normal z -> c, Wed Jan 22 14:42:31 2025
@author Hartwig Anzt
*/
#include "magmasparse_internal.h"
/**
Purpose
-------
Transposes a vector from col to row major and vice versa.
Arguments
---------
@param[in]
x magma_c_matrix
input vector
@param[out]
y magma_c_matrix*
output vector
@param[in]
queue magma_queue_t
Queue to execute in.
@ingroup magmasparse_caux
********************************************************************/
extern "C" magma_int_t
magma_cvtranspose(
magma_c_matrix x,
magma_c_matrix *y,
magma_queue_t queue )
{
magma_int_t info = 0;
magma_int_t m = x.num_rows;
magma_int_t n = x.num_cols;
// make sure the target structure is empty
magma_cmfree( y, queue );
y->ownership = MagmaTrue;
magma_c_matrix dx={Magma_CSR}, dy={Magma_CSR};
if ( x.memory_location == Magma_DEV ) {
CHECK( magma_cvinit( y, Magma_DEV, x.num_rows,x.num_cols, MAGMA_C_ZERO, queue ));
y->num_rows = x.num_rows;
y->num_cols = x.num_cols;
y->storage_type = x.storage_type;
if ( x.major == MagmaColMajor) {
y->major = MagmaRowMajor;
magmablas_ctranspose( m, n, x.val, m, y->val, n, queue );
}
else {
y->major = MagmaColMajor;
magmablas_ctranspose( n, m, x.val, n, y->val, m, queue );
}
} else {
CHECK( magma_cmtransfer( x, &dx, Magma_CPU, Magma_DEV, queue ));
CHECK( magma_cvtranspose( dx, &dy, queue ));
CHECK( magma_cmtransfer( dy, y, Magma_DEV, Magma_CPU, queue ));
}
cleanup:
if( info != 0 ){
magma_cmfree( y, queue );
}
magma_cmfree( &dx, queue );
magma_cmfree( &dy, queue );
return info;
}
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