LAPACKE_chpsvx()

lapack_int LAPACKE_chpsvx	(	int	matrix_layout,
		char	fact,
		char	uplo,
		lapack_int	n,
		lapack_int	nrhs,
		const lapack_complex_float *	ap,
		lapack_complex_float *	afp,
		lapack_int *	ipiv,
		const lapack_complex_float *	b,
		lapack_int	ldb,
		lapack_complex_float *	x,
		lapack_int	ldx,
		float *	rcond,
		float *	ferr,
		float *	berr
	)

Definition at line 35 of file lapacke_chpsvx.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_chpsvx", -1 );
        return -1;
    }
#ifndef LAPACK_DISABLE_NAN_CHECK
    if( LAPACKE_get_nancheck() ) {
        /* Optionally check input matrices for NaNs */
        if( LAPACKE_lsame( fact, 'f' ) ) {
            if( LAPACKE_chp_nancheck( n, afp ) ) {
                return -7;
            }
        }
        if( LAPACKE_chp_nancheck( n, ap ) ) {
            return -6;
        }
        if( LAPACKE_cge_nancheck( matrix_layout, n, nrhs, b, ldb ) ) {
            return -9;
        }
    }
#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_chpsvx_work( matrix_layout, fact, uplo, n, nrhs, ap, afp,
                                ipiv, b, ldb, x, ldx, rcond, ferr, berr, 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_chpsvx", info );
    }
    return info;

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