getSizetoRead

C++ Function Reference

1 Signature

std::vector< hsize_t > BigDataStatMeth::getSizetoRead(bool transp, int count, int rows, int cols)

2 Description

Calculates dimensions for reading matrix blocks.

3 Parameters

transp (bool): Whether to transpose dimensions
count (int): Number of elements to read
rows (int): Total rows in matrix
cols (int): Total columns in matrix

4 Returns

std::vector Dimensions for reading

5 Details

transpWhether to transpose dimensions countNumber of elements to read rowsTotal rows in matrix colsTotal columns in matrix std::vector Dimensions for reading Dimension calculation:Handles transposed matricesRespects matrix boundariesOptimizes for memory usageReturns [rows_to_read, cols_to_read]

6 Caller Graph

7 Source Code

Implementation

File: inst/include/Utilities/Utilities.hpp • Lines 505-520

inline std::vector<hsize_t> getSizetoRead(bool transp, int count, int rows, int cols)
    {
        std::vector<hsize_t> vcount = {0, 0};

        if(transp == true)
        {
            vcount[0] = cols;
            vcount[1] = count;
            
        } else {
            vcount[0] = count;
            vcount[1] = cols;
        }
        
        return(vcount);
    }

8 Usage Example

#include "BigDataStatMeth.hpp"

// Example usage
auto result = getSizetoRead(...);

---
title: "getSizetoRead"
subtitle: "C++ Function Reference"
---

## Signature

```cpp
std::vector< hsize_t > BigDataStatMeth::getSizetoRead(bool transp, int count, int rows, int cols)
```

## Description

Calculates dimensions for reading matrix blocks.

## Parameters

- `transp` (`bool`): Whether to transpose dimensions
- `count` (`int`): Number of elements to read
- `rows` (`int`): Total rows in matrix
- `cols` (`int`): Total columns in matrix

## Returns

std::vector<hsize_t> Dimensions for reading

## Details

transpWhether to transpose dimensions countNumber of elements to read rowsTotal rows in matrix colsTotal columns in matrix std::vector<hsize_t> Dimensions for reading
Dimension calculation:Handles transposed matricesRespects matrix boundariesOptimizes for memory usageReturns [rows_to_read, cols_to_read]

## Caller Graph

::: {.diagram-section}
<object type="image/svg+xml" data="images/namespace_big_data_stat_meth_ac0c34ce0e46eff31fe19be9b5a517580_icgraph.svg" class="class-diagram">
  <img src="images/namespace_big_data_stat_meth_ac0c34ce0e46eff31fe19be9b5a517580_icgraph.svg" alt="Function dependencies"/>
</object>
:::

## Source Code

::: {.callout-note collapse="true"}
### Implementation

**File:** `inst/include/Utilities/Utilities.hpp` • **Lines 505-520**

```cpp
inline std::vector<hsize_t> getSizetoRead(bool transp, int count, int rows, int cols)
    {
        std::vector<hsize_t> vcount = {0, 0};

        if(transp == true)
        {
            vcount[0] = cols;
            vcount[1] = count;
            
        } else {
            vcount[0] = count;
            vcount[1] = cols;
        }
        
        return(vcount);
    }
```
:::

## Usage Example

```cpp
#include "BigDataStatMeth.hpp"

// Example usage
auto result = getSizetoRead(...);
```