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lapacke_chptri_work.c File Reference
#include "lapacke_utils.h"
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Functions/Subroutines

lapack_int LAPACKE_chptri_work (int matrix_order, char uplo, lapack_int n, lapack_complex_float *ap, const lapack_int *ipiv, lapack_complex_float *work)

Function/Subroutine Documentation

lapack_int LAPACKE_chptri_work ( int  matrix_order,
char  uplo,
lapack_int  n,
lapack_complex_float ap,
const lapack_int ipiv,
lapack_complex_float work 
)

Definition at line 36 of file lapacke_chptri_work.c.

{
lapack_int info = 0;
if( matrix_order == LAPACK_COL_MAJOR ) {
/* Call LAPACK function and adjust info */
LAPACK_chptri( &uplo, &n, ap, ipiv, work, &info );
if( info < 0 ) {
info = info - 1;
}
} else if( matrix_order == LAPACK_ROW_MAJOR ) {
lapack_complex_float* ap_t = NULL;
/* Allocate memory for temporary array(s) */
( MAX(1,n) * MAX(2,n+1) ) / 2 );
if( ap_t == NULL ) {
goto exit_level_0;
}
/* Transpose input matrices */
LAPACKE_chp_trans( matrix_order, uplo, n, ap, ap_t );
/* Call LAPACK function and adjust info */
LAPACK_chptri( &uplo, &n, ap_t, ipiv, work, &info );
if( info < 0 ) {
info = info - 1;
}
/* Transpose output matrices */
LAPACKE_chp_trans( LAPACK_COL_MAJOR, uplo, n, ap_t, ap );
/* Release memory and exit */
LAPACKE_free( ap_t );
exit_level_0:
LAPACKE_xerbla( "LAPACKE_chptri_work", info );
}
} else {
info = -1;
LAPACKE_xerbla( "LAPACKE_chptri_work", info );
}
return info;
}

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