LAPACKE_dsyequb_work()

lapack_int LAPACKE_dsyequb_work	(	int	matrix_layout,
		char	uplo,
		lapack_int	n,
		const double *	a,
		lapack_int	lda,
		double *	s,
		double *	scond,
		double *	amax,
		double *	work
	)

Definition at line 35 of file lapacke_dsyequb_work.c.

{
    lapack_int info = 0;
    if( matrix_layout == LAPACK_COL_MAJOR ) {
        /* Call LAPACK function and adjust info */
        LAPACK_dsyequb( &uplo, &n, a, &lda, s, scond, amax, work, &info );
        if( info < 0 ) {
            info = info - 1;
        }
    } else if( matrix_layout == LAPACK_ROW_MAJOR ) {
        lapack_int lda_t = MAX(1,n);
        double* a_t = NULL;
        /* Check leading dimension(s) */
        if( lda < n ) {
            info = -5;
            LAPACKE_xerbla( "LAPACKE_dsyequb_work", info );
            return info;
        }
        /* Allocate memory for temporary array(s) */
        a_t = (double*)LAPACKE_malloc( sizeof(double) * lda_t * MAX(1,n) );
        if( a_t == NULL ) {
            info = LAPACK_TRANSPOSE_MEMORY_ERROR;
            goto exit_level_0;
        }
        /* Transpose input matrices */
        LAPACKE_dsy_trans( matrix_layout, uplo, n, a, lda, a_t, lda_t );
        /* Call LAPACK function and adjust info */
        LAPACK_dsyequb( &uplo, &n, a_t, &lda_t, s, scond, amax, work, &info );
        if( info < 0 ) {
            info = info - 1;
        }
        /* Release memory and exit */
        LAPACKE_free( a_t );
exit_level_0:
        if( info == LAPACK_TRANSPOSE_MEMORY_ERROR ) {
            LAPACKE_xerbla( "LAPACKE_dsyequb_work", info );
        }
    } else {
        info = -1;
        LAPACKE_xerbla( "LAPACKE_dsyequb_work", info );
    }
    return info;
}

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