LAPACKE_cgerfsx()

lapack_int LAPACKE_cgerfsx	(	int	matrix_layout,
		char	trans,
		char	equed,
		lapack_int	n,
		lapack_int	nrhs,
		const lapack_complex_float *	a,
		lapack_int	lda,
		const lapack_complex_float *	af,
		lapack_int	ldaf,
		const lapack_int *	ipiv,
		const float *	r,
		const float *	c,
		const lapack_complex_float *	b,
		lapack_int	ldb,
		lapack_complex_float *	x,
		lapack_int	ldx,
		float *	rcond,
		float *	berr,
		lapack_int	n_err_bnds,
		float *	err_bnds_norm,
		float *	err_bnds_comp,
		lapack_int	nparams,
		float *	params
	)

Definition at line 35 of file lapacke_cgerfsx.c.

{
    lapack_int info = 0;
    float* rwork = NULL;
    lapack_complex_float* work = NULL;
    if( matrix_layout != LAPACK_COL_MAJOR && matrix_layout != LAPACK_ROW_MAJOR ) {
        LAPACKE_xerbla( "LAPACKE_cgerfsx", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_cge_nancheck( matrix_layout, n, n, a, lda ) ) {
            return -6;
        }
        if( LAPACKE_cge_nancheck( matrix_layout, n, n, af, ldaf ) ) {
            return -8;
        }
        if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
            return -13;
        }
        if( LAPACKE_lsame( equed, 'b' ) || LAPACKE_lsame( equed, 'c' ) ) {
            if( LAPACKE_s_nancheck( n, c, 1 ) ) {
                return -12;
            }
        }
        if( nparams>0 ) {
            if( LAPACKE_s_nancheck( nparams, params, 1 ) ) {
                return -23;
            }
        }
        if( LAPACKE_lsame( equed, 'b' ) || LAPACKE_lsame( equed, 'r' ) ) {
            if( LAPACKE_s_nancheck( n, r, 1 ) ) {
                return -11;
            }
        }
        if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, x, ldx ) ) {
            return -15;
        }
    }
#endif
    /* Allocate memory for working array(s) */
    rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,3*n) );
    if( rwork == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_0;
    }
    work = (lapack_complex_float*)
        LAPACKE_malloc( sizeof(lapack_complex_float) * MAX(1,2*n) );
    if( work == NULL ) {
        info = LAPACK_WORK_MEMORY_ERROR;
        goto exit_level_1;
    }
    /* Call middle-level interface */
    info = LAPACKE_cgerfsx_work( matrix_layout, trans, equed, n, nrhs, a, lda,
                                 af, ldaf, ipiv, r, c, b, ldb, x, ldx, rcond,
                                 berr, n_err_bnds, err_bnds_norm, err_bnds_comp,
                                 nparams, params, work, rwork );
    /* 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_cgerfsx", info );
    }
    return info;

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