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One half times the mathematical constant π.

`npm install @stdlib/constants-float32-half-pi`

`var FLOAT32_HALF_PI = require( '@stdlib/constants-float32-half-pi' );`

One half times the mathematical constant π.

```
var bool = ( FLOAT32_HALF_PI === 1.5707963705062866 );
// returns true
```

```
var FLOAT32_HALF_PI = require( '@stdlib/constants-float32-half-pi' );
console.log( FLOAT32_HALF_PI );
// => 1.5707963705062866
```

`#include "stdlib/constants/float32/half_pi.h"`

Macro for one half times the mathematical constant π.

This package is part of 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, see the main project repository.

See LICENSE.

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