Mask for the exponent of a half-precision floating-point number.
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> Mask for the exponent of a [half-precision floating-point number][ieee754].
``bash`
npm install @stdlib/constants-float16-exponent-mask
`javascript`
var FLOAT16_EXPONENT_MASK = require( '@stdlib/constants-float16-exponent-mask' );
#### FLOAT16_EXPONENT_MASK
Mask for the exponent of a [half-precision floating-point number][ieee754].
`javascript`
// 0x7c00 = 31744 => 0 11111 0000000000
var bool = ( FLOAT16_EXPONENT_MASK === 0x7c00 );
// returns true
`javascript
var toWord = require( '@stdlib/number-float16-base-to-word' );
var FLOAT16_EXPONENT_MASK = require( '@stdlib/constants-float16-exponent-mask' );
var x = 11.5;
var w = toWord( x ); // 0 10010 0111000000
// returns 18880
// Mask off all bits except for the exponent bits:
var out = w & FLOAT16_EXPONENT_MASK; // 0 10010 0000000000
// returns 18432
// Mask on the exponent bits and leave other bits unchanged:
out = w | FLOAT16_EXPONENT_MASK; // 0 11111 0111000000
// returns 32192
`
*
`c`
#include "stdlib/constants/float16/exponent_mask.h"
#### STDLIB_CONSTANT_FLOAT16_EXPONENT_MASK
Macro for the mask for the exponent of a [half-precision floating-point number][ieee754].
*
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.
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[ieee754]: https://en.wikipedia.org/wiki/IEEE_754-1985