npm package: @stdlib/math-base-special-croundf
Description: Round each component of a single-precision complex floating-point number to the nearest integer.
Author: The Stdlib Authors
Latest version: 0.1.1

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# croundf

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> Round each component of a single-precision complex floating-point number to the nearest integer.

<section class="installation">

## Installation

```bash
npm install @stdlib/math-base-special-croundf
```

</section>

<section class="usage">

## Usage

```javascript
var croundf = require( '@stdlib/math-base-special-croundf' );
```

#### croundf( z )

Rounds each component of a single-precision complex floating-point number to the nearest integer.

```javascript
var Complex64 = require( '@stdlib/complex-float32-ctor' );
var real = require( '@stdlib/complex-float32-real' );
var imag = require( '@stdlib/complex-float32-imag' );

var v = croundf( new Complex64( -4.2, 5.5 ) );
// returns <Complex64>

var re = real( v );
// returns -4.0

var im = imag( v );
// returns 6.0

v = croundf( new Complex64( 9.99999, 0.1 ) );
// returns <Complex64>

re = real( v );
// returns 10.0

im = imag( v );
// returns 0.0

v = croundf( new Complex64( 0.0, 0.0 ) );
// returns <Complex64>

re = real( v );
// returns 0.0

im = imag( v );
// returns 0.0

v = croundf( new Complex64( NaN, NaN ) );
// returns <Complex64>

re = real( v );
// returns NaN

im = imag( v );
// returns NaN
```

</section>

<!-- /.usage -->

<section class="examples">

## Examples

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

```javascript
var uniform = require( '@stdlib/random-base-uniform' ).factory;
var Complex64 = require( '@stdlib/complex-float32-ctor' );
var croundf = require( '@stdlib/math-base-special-croundf' );

var rand = uniform( -50.0, 50.0 );

var z;
var i;
for ( i = 0; i < 100; i++ ) {
    z = new Complex64( rand(), rand() );
    console.log( 'croundf(%s) = %s', z, croundf( z ) );
}
```

</section>

<!-- /.examples -->

<!-- C interface documentation. -->

* * *

<section class="c">

## C APIs

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<section class="intro">

</section>

<!-- /.intro -->

<!-- C usage documentation. -->

<section class="usage">

### Usage

```c
#include "stdlib/math/base/special/croundf.h"
```

#### stdlib_base_croundf( z )

Rounds each component of a single-precision complex floating-point number to the nearest integer.

```c
#include "stdlib/complex/float32/ctor.h"
#include "stdlib/complex/float32/real.h"
#include "stdlib/complex/float32/imag.h"

stdlib_complex64_t z = stdlib_complex64( -4.2f, 5.5f );

stdlib_complex64_t out = stdlib_base_croundf( z );

float re = stdlib_complex64_real( out );
// returns -4.0f

float im = stdlib_complex64_imag( out );
// returns 6.0f
```

The function accepts the following arguments:

-   **z**: `[in] stdlib_complex64_t` input value.

```c
stdlib_complex64_t stdlib_base_croundf( const stdlib_complex64_t z );
```

</section>

<!-- /.usage -->

<!-- C API usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->

<section class="notes">

</section>

<!-- /.notes -->

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

<section class="examples">

### Examples

```c
#include "stdlib/math/base/special/croundf.h"
#include "stdlib/complex/float32/ctor.h"
#include "stdlib/complex/float32/reim.h"
#include <stdio.h>

int main( void ) {
    const stdlib_complex64_t x[] = {
        stdlib_complex64( 3.14f, 1.5f ),
        stdlib_complex64( -3.14f, -1.5f ),
        stdlib_complex64( 0.0f, 0.0f ),
        stdlib_complex64( 0.0f / 0.0f, 0.0f / 0.0f )
    };

    stdlib_complex64_t v;
    stdlib_complex64_t y;
    float re1;
    float im1;
    float re2;
    float im2;
    int i;
    for ( i = 0; i < 4; i++ ) {
        v = x[ i ];
        y = stdlib_base_croundf( v );
        stdlib_complex64_reim( v, &re1, &im1 );
        stdlib_complex64_reim( y, &re2, &im2 );
        printf( "croundf(%f + %fi) = %f + %fi\n", re1, im1, re2, im2 );
    }
}
```

</section>

<!-- /.examples -->

</section>

<!-- /.c -->

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<section class="main-repo" >

* * *

## 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].

</section>

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