lapack_int LAPACKE_cgbsvx	(	int	matrix_layout,
		char	fact,
		char	trans,
		lapack_int	n,
		lapack_int	kl,
		lapack_int	ku,
		lapack_int	nrhs,
		lapack_complex_float *	ab,
		lapack_int	ldab,
		lapack_complex_float *	afb,
		lapack_int	ldafb,
		lapack_int *	ipiv,
		char *	equed,
		float *	r,
		float *	c,
		lapack_complex_float *	b,
		lapack_int	ldb,
		lapack_complex_float *	x,
		lapack_int	ldx,
		float *	rcond,
		float *	ferr,
		float *	berr,
		float *	rpivot
	)

Definition at line 36 of file lapacke_cgbsvx.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_cgbsvx", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    /* Optionally check input matrices for NaNs */
    if( LAPACKE_cgb_nancheck( matrix_layout, n, n, kl, ku, ab, ldab ) ) {
        return -8;
    }
    if( LAPACKE_lsame( fact, 'f' ) ) {
        if( LAPACKE_cgb_nancheck( matrix_layout, n, n, kl, kl+ku, afb,
            ldafb ) ) {
            return -10;
        }
    }
    if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
        return -16;
    }
    if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
        LAPACKE_lsame( *equed, 'c' ) ) ) {
        if( LAPACKE_s_nancheck( n, c, 1 ) ) {
            return -15;
        }
    }
    if( LAPACKE_lsame( fact, 'f' ) && ( LAPACKE_lsame( *equed, 'b' ) ||
        LAPACKE_lsame( *equed, 'r' ) ) ) {
        if( LAPACKE_s_nancheck( n, r, 1 ) ) {
            return -14;
        }
    }
#endif
    /* Allocate memory for working array(s) */
    rwork = (float*)LAPACKE_malloc( sizeof(float) * MAX(1,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_cgbsvx_work( matrix_layout, fact, trans, n, kl, ku, nrhs, ab,
                                ldab, afb, ldafb, 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_cgbsvx", info );
    }
    return info;
}

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