lapack_int LAPACKE_sopmtr	(	int	matrix_layout,
		char	side,
		char	uplo,
		char	trans,
		lapack_int	m,
		lapack_int	n,
		const float *	ap,
		const float *	tau,
		float *	c,
		lapack_int	ldc
	)

Definition at line 36 of file lapacke_sopmtr.c.

{
    lapack_int info = 0;
    /* Additional scalars declarations for work arrays */
    lapack_int lwork;
    float* work = NULL;
    lapack_int r;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_sopmtr", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    r = LAPACKE_lsame( side, 'l' ) ? m : n;
    if( LAPACKE_ssp_nancheck( r, ap ) ) {
        return -7;
    }
    if( LAPACKE_sge_nancheck( matrix_layout, m, n, c, ldc ) ) {
        return -9;
    }
    if( LAPACKE_s_nancheck( m-1, tau, 1 ) ) {
        return -8;
    }
#endif
    /* Additional scalars initializations for work arrays */
    if( LAPACKE_lsame( side, 'l' ) ) {
        lwork = MAX(1,n);
    } else if( LAPACKE_lsame( side, 'r' ) ) {
        lwork = MAX(1,m);
    } else {
        lwork = 1; /* Any value */
    }
    /* Allocate memory for working array(s) */
    work = (float*)LAPACKE_malloc( sizeof(float) * lwork );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    /* Call middle-level interface */
    info = LAPACKE_sopmtr_work( matrix_layout, side, uplo, trans, m, n, ap, tau,
                                c, ldc, work );
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_sopmtr", info );
    }
    return info;
}

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