lapack_int LAPACKE_zgesvx	(	int	matrix_layout,
		char	fact,
		char	trans,
		lapack_int	n,
		lapack_int	nrhs,
		lapack_complex_double *	a,
		lapack_int	lda,
		lapack_complex_double *	af,
		lapack_int	ldaf,
		lapack_int *	ipiv,
		char *	equed,
		double *	r,
		double *	c,
		lapack_complex_double *	b,
		lapack_int	ldb,
		lapack_complex_double *	x,
		lapack_int	ldx,
		double *	rcond,
		double *	ferr,
		double *	berr,
		double *	rpivot
	)

Definition at line 36 of file lapacke_zgesvx.c.

{
    lapack_int info = 0;
    double* rwork = NULL;
    lapack_complex_double* work = NULL;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_zgesvx", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_zge_nancheck( matrix_layout, n, n, a, lda ) ) {
        return -6;
    }
    if( LAPACKE_lsame( fact, 'f' ) ) {
        if( LAPACKE_zge_nancheck( matrix_layout, n, n, af, ldaf ) ) {
            return -8;
        }
    }
    if( LAPACKE_zge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
        return -14;
    }
    if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
        LAPACKE_lsame( *equed, 'c' ) ) ) {
        if( LAPACKE_d_nancheck( n, c, 1 ) ) {
            return -13;
        }
    }
    if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
        LAPACKE_lsame( *equed, 'r' ) ) ) {
        if( LAPACKE_d_nancheck( n, r, 1 ) ) {
            return -12;
        }
    }
#endif
    /* Allocate memory for working array(s) */
    rwork = (double*)LAPACKE_malloc( sizeof(double) * MAX(1,2*n) );
    if( rwork == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    work = (lapack_complex_double*)
        LAPACKE_malloc( sizeof(lapack_complex_double) * MAX(1,2*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_1;
    }
    /* Call middle-level interface */
    info = LAPACKE_zgesvx_work( matrix_layout, fact, trans, n, nrhs, a, lda, af,
                                ldaf, ipiv, equed, r, c, b, ldb, x, ldx, rcond,
                                ferr, berr, work, rwork );
    /* Backup significant data from working array(s) */
    *rpivot = rwork[0];
    /* Release memory and exit */
    LAPACKE_free( work );
exit_level_1:
    LAPACKE_free( rwork );
exit_level_0:
    if( info == LAPACK_WORK_MEMORY_ERROR ) {
        LAPACKE_xerbla( "LAPACKE_zgesvx", info );
    }
    return info;
}

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