rcpp_hdf5dataset_colSums

OTHER

1 Description

Block-wise, OpenMP-parallel computation of colSums(X) for an HDF5 matrix referenced by an external pointer.

2 Usage

rcpp_hdf5dataset_colSums(ptr, paral = NULL, wsize = NULL, threads = NULL)

3 Arguments

Parameter	Description
`ptr`	External pointer (SEXP) to an open hdf5Dataset.
`paral`	Logical or NULL; enable OpenMP parallelisation.
`wsize`	Integer or NULL; block size (NULL = auto).
`threads`	Integer or NULL; thread count (NULL = auto).

4 Value

Numeric vector of length ncols_R.

---
title: "rcpp_hdf5dataset_colSums"
subtitle: "rcpp_hdf5dataset_colSums"
---

<span class="category-badge other">OTHER</span>

## Description

Block-wise, OpenMP-parallel computation of `colSums(X)` for an HDF5
matrix referenced by an external pointer.

## Usage

```r
rcpp_hdf5dataset_colSums(ptr, paral = NULL, wsize = NULL, threads = NULL)
```
## Arguments

::: {.param-table}
| Parameter | Description |
|-----------|-------------|
| `ptr` | External pointer (SEXP) to an open hdf5Dataset. |
| `paral` | Logical or NULL; enable OpenMP parallelisation. |
| `wsize` | Integer or NULL; block size (NULL = auto). |
| `threads` | Integer or NULL; thread count (NULL = auto).  |
:::

## Value

::: {.return-value}
Numeric vector of length ncols_R.

:::