npm package: @stdlib/number-float64-base-add5
Description: Compute the sum of five double-precision floating-point numbers.
Author: The Stdlib Authors
Latest version: 0.1.0

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# add5

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> Compute the sum of five double-precision floating-point numbers.

<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->

<section class="intro">

</section>

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<!-- Package usage documentation. -->

<section class="installation">

## Installation

```bash
npm install @stdlib/number-float64-base-add5
```

</section>

<section class="usage">

## Usage

```javascript
var add5 = require( '@stdlib/number-float64-base-add5' );
```

#### add5( x, y, z, w, u )

Computes the sum of five double-precision floating-point numbers.

```javascript
var v = add5( -1.0, 5.0, 2.0, -3.0, 4.0 );
// returns 7.0

v = add5( 2.0, 5.0, 2.0, -3.0, 4.0 );
// returns 10.0

v = add5( 0.0, 5.0, 2.0, -3.0, 4.0 );
// returns 8.0

v = add5( -0.0, 0.0, -0.0, -0.0, -0.0 );
// returns 0.0

v = add5( NaN, NaN, NaN, NaN, NaN );
// returns NaN
```

</section>

<!-- /.usage -->

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<section class="notes">

</section>

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<!-- Package usage examples. -->

<section class="examples">

## Examples

<!-- eslint no-undef: "error" -->

```javascript
var rand = require( '@stdlib/random-base-discrete-uniform' ).factory;
var filledBy = require( '@stdlib/array-base-filled-by' );
var add5 = require( '@stdlib/number-float64-base-add5' );

var x = filledBy( 100, rand( -50, 50 ) );
var y = filledBy( x.length, rand( -50, 50 ) );
var z = filledBy( x.length, rand( -50, 50 ) );
var w = filledBy( x.length, rand( -50, 50 ) );
var u = filledBy( x.length, rand( -50, 50 ) );

var i;
for ( i = 0; i < x.length; i++ ) {
    console.log( '%d + %d + %d + %d + %d = %d', x[i], y[i], z[i], w[i], u[i], add5( x[i], y[i], z[i], w[i], u[i] ) );
}
```

</section>

<!-- /.examples -->

<!-- C interface documentation. -->

* * *

<section class="c">

## C APIs

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<section class="intro">

</section>

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<!-- C usage documentation. -->

<section class="usage">

### Usage

```c
#include "stdlib/number/float64/base/add5.h"
```

#### stdlib_base_float64_add5( x, y, z, w, u )

Computes the sum of five double-precision floating-point numbers.

```c
double out = stdlib_base_float64_add5( -5.0, 2.0, 4.0, 3.0, 1.0 );
// returns 5.0
```

The function accepts the following arguments:

-   **x**: `[in] double` first input value.
-   **y**: `[in] double` second input value.
-   **z**: `[in] double` third input value.
-   **w**: `[in] double` fourth input value.
-   **u**: `[in] double` fifth input value.

```c
double stdlib_base_float64_add5( const double x, const double y, const double z, const double w, const double u );
```

</section>

<!-- /.usage -->

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<section class="notes">

</section>

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<!-- C API usage examples. -->

<section class="examples">

### Examples

```c
#include "stdlib/number/float64/base/add5.h"
#include <stdio.h>

int main( void ) {
    const double x[] = { 3.14, -3.14, 0.0, 0.0/0.0 };
    const double y[] = { 3.14, -3.14, -0.0, 0.0/0.0 };
    const double z[] = { 2.0, -3.0, -0.0, 0.0/0.0 };
    const double w[] = { 2.0, -3.0, -0.0, 0.0/0.0 };
    const double u[] = { -1.0, 4.0, 0.0, 0.0/0.0 };

    double out;
    int i;
    for ( i = 0; i < 4; i++ ) {
        out = stdlib_base_float64_add5( x[ i ], y[ i ], z[ i ], w[ i ], u[ i ] );
        printf( "%lf + %lf + %lf + %lf + %lf = %lf\n", x[ i ], y[ i ], z[ i ], w[ i ], u[ i ], out );
    }
}
```

</section>

<!-- /.examples -->

</section>

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* * *

## See Also

-   <span class="package-name">[`@stdlib/number-float64/base/add`][@stdlib/number/float64/base/add]</span><span class="delimiter">: </span><span class="description">compute the sum of two double-precision floating-point numbers.</span>

</section>

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* * *

## Notice

This package is part of [stdlib][stdlib], a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop [stdlib][stdlib], see the main project [repository][stdlib].

#### Community

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---

## License

See [LICENSE][stdlib-license].


## Copyright

Copyright &copy; 2016-2026. The Stdlib [Authors][stdlib-authors].

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