# FLOAT32_MIN_BASE2_EXPONENT_SUBNORMAL
> The minimum biased base 2 exponent for a subnormal [single-precision floating-point number][ieee754].
## Usage
```javascript
var FLOAT32_MIN_BASE2_EXPONENT_SUBNORMAL = require( '@stdlib/constants/float32/min-base2-exponent-subnormal' );
```
#### FLOAT32_MIN_BASE2_EXPONENT_SUBNORMAL
The minimum biased base 2 exponent for a subnormal [single-precision floating-point number][ieee754].
```javascript
var bool = ( FLOAT32_MIN_BASE2_EXPONENT_SUBNORMAL === -149 );
// returns true
```
## Examples
```javascript
var FLOAT32_MIN_BASE2_EXPONENT_SUBNORMAL = require( '@stdlib/constants/float32/min-base2-exponent-subnormal' );
console.log( FLOAT32_MIN_BASE2_EXPONENT_SUBNORMAL );
// => -149
```
* * *
## C APIs
### Usage
```c
#include "stdlib/constants/float32/min_base2_exponent_subnormal.h"
```
#### STDLIB_CONSTANT_FLOAT32_MIN_BASE2_EXPONENT_SUBNORMAL
Macro for the minimum biased base 2 exponent for a subnormal [single-precision floating-point number][ieee754].
[ieee754]: https://en.wikipedia.org/wiki/IEEE_754-1985