Reinterpret a complex-valued floating-point array as a real-valued floating-point array having the same precision.
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> Reinterpret a complex-valued floating-point array as a real-valued floating-point array having the same precision.
``bash`
npm install @stdlib/strided-base-reinterpret-complex
`javascript`
var reinterpret = require( '@stdlib/strided-base-reinterpret-complex' );
#### reinterpret( x, offset )
Returns a real-valued floating-point array view of a complex-valued floating-point array.
`javascript
var Complex128Array = require( '@stdlib/array-complex128' );
var x = new Complex128Array( 10 );
var view = reinterpret( x, 0 );
// returns
var bool = ( view.buffer === x.buffer );
// returns true
var len = view.length;
// returns 20
`
The offset argument specifies the starting index of the returned real-valued floating-point array view relative to the input array.
`javascript
var Complex64Array = require( '@stdlib/array-complex64' );
var x = new Complex64Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] );
var view = reinterpret( x, 2 );
// returns
var len = view.length;
// returns 4
var re = view[ 0 ];
// returns 5.0
var im = view[ 1 ];
// returns 6.0
`
`javascript
var Complex128Array = require( '@stdlib/array-complex128' );
var real = require( '@stdlib/complex-float64-real' );
var imag = require( '@stdlib/complex-float64-imag' );
var reinterpret = require( '@stdlib/strided-base-reinterpret-complex' );
// Define a complex number array:
var x = new Complex128Array( [ 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 ] );
// returns
// Reinterpret as a float64 array:
var view = reinterpret( x, 0 );
// returns
// Set view elements:
view[ 0 ] = 9.0;
view[ 1 ] = 10.0;
// Get the first element of the complex number array:
var z = x.get( 0 );
// returns
var re = real( z );
// returns 9.0
var im = imag( z );
// returns 10.0
`
*
- [@stdlib/strided-base/reinterpret-complex128][@stdlib/strided/base/reinterpret-complex128]: reinterpret a Complex128Array as a Float64Array.
- [@stdlib/strided-base/reinterpret-complex64][@stdlib/strided/base/reinterpret-complex64]: reinterpret a Complex64Array as a Float32Array.
*
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].
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